| 
                                                
                                                
                                                    Bank of Spain: Assets: Domestic: SO: General Govt: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 243,971.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Domestic: SO: Other Resident Sectors (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 24,942.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Domestic: SO: Other Resident Sectors: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 24,942.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Domestic: Money Market Fund Shares (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Domestic: Shares and Other Equity (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 72.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 27,419.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: Loans (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 5,127.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: Loans: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 5,124.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: Loans: MFIs (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 5,127.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: Loans: MFIs: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 5,124.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: Loans: General Govt (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: Loans: General Govt: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: Loans: Other Resident Sectors (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: Loans: Other Resident Sectors: ow in Eur... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: Securities Other than Shares (SO) (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 20,979.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: SO: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 20,933.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: SO: MFIs (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,171.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: SO: MFIs: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,125.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: SO: MFIs: ow Up to 2 Years (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 86.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: SO: General Govt (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 15,075.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: SO: General Govt: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 15,075.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: SO: Other Resident Sectors (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 4,733.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: SO: Other Resident Sectors: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 4,733.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: Money Market Fund Shares per Unit (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Other Euro Area: Shares and Other Equity (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,313.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Rest of the World (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 94,067.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Rest of the World: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 51,928.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Rest of the World: Loans (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 6,293.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Rest of the World: Loans: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Rest of the World: Securities Other than Shares (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 87,749.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Rest of the World: Securities Other than Shares: ow in Eu... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 51,928.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Sep 1997 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Rest of the World: Shares and Other Equity (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 25.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Unclassified (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 140,503.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Loans (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 180,714.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Securities Other than Shares (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 399,353.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Money Market Fund Shares (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Shares and Other Equity (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,410.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Cash (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Fixed Assets (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 278.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Remaining Assets (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 140,224.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Remaining Assets: Gold and Gold Receivables (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 9,718.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Remaining Assets: SDR Holdings (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3,380.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Remaining Assets: Reserve Position in and Other Claims on... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,898.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Assets: Remaining Assets: Other Assets (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 125,228.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 721,980.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 134,537.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 134,537.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 134,536.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: MFIs (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 110,784.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: MFIs: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 110,784.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: General Govt: Central (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 19,968.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: General Govt: Others (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 325.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: General Govt: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 325.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: General Govt: Overnight (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 325.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: General Govt: Agreed Maturity (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: General Govt: Agreed Maturity: o... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: General Govt: Redeemable at Noti... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: General Govt: Repo (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Domestic: Deposits: Other Resident Sectors (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3,460.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Other Euro Area (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 398,767.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Rest of the World (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 6,492.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Rest of the World: Deposits: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3,969.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Sep 1997 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Rest of the World: Deposits: Overnight: Agreed Matur... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 6,492.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Rest of the World: Deposits: Overnight: AR: ow in Eu... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3,969.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Sep 1997 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Rest of the World: Deposits: Repo (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Unclassified (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 182,184.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Notes and Coins (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 141,094.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Notes and Coins: Notes (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 136,526.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Notes and Coins: Coins (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 4,568.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Deposits (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 539,796.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Securities Other than Shares (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jul 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jul 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Capital and Reserves (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 36,198.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Remaining Liabilities (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 4,892.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Remaining Liabilities: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Bank of Spain: Liabilities: Remaining Liabilities: ow Allocated SDR (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3,414.000
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1980 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,461,965.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Loans (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,708,424.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Loans: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,689,643.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Loans: MFIs (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 439,533.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Loans: MFIs: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 434,928.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Loans: General Govt (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 77,578.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Loans: General Govt: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 77,577.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Loans: Other Resident Sectors (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,191,313.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Loans: Other Resident Sectors: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,177,138.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Securities Other than Shares (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 668,749.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Securities Other than Shares: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 668,633.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Securities Other than Shares: MFIs (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 30,102.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Securities Other than Shares: MFIs: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 30,093.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Securities Other than Shares: MFIs: ow Up to 2 Yea... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,192.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Securities Other than Shares: General Govt (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 440,585.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Securities Other than Shares: General Govt: ow in ... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 440,515.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Securities Other than Shares: Other Resident Secto... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 198,062.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Securities Other than Shares: Other Resident Secto... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 198,026.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Money Market Fund Shares (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 946.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Domestic: Shares and Other Equity (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 83,847.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Other Euro Area (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 240,998.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Other Euro Area: Loans (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 121,629.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Other Euro Area: Loans: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 110,506.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Other Euro Area: Loans: MFIs (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 82,398.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Spain MFIs: Assets: Other Euro Area: Loans: MFIs: ow in Euro (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 76,305.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1989 - May 2018
                                         |