| 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: MFIs: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 435,790.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 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
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Loans: General Govt (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 124.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Loans: General Govt: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 124.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Loans: Other Resident Sectors (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 39,106.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Loans: Other Resident Sectors: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 34,077.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Securities Other than Shares (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 84,261.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Securities Other than Shares: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 82,015.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Securities Other than Shares: MFIs (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 5,007.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Securities Other than Shares: MFIs: ow in E... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 4,762.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Securities Other than Shares: MFIs: ow Up t... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 242.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Securities Other than Shares: General Govt (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 65,098.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Securities Other than Shares: General Govt:... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 64,837.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Securities Other than Shares: Other Residen... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 14,156.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Securities Other than Shares: Other Residen... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 12,415.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Money Market Fund Shares (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1,065.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Other Euro Area: Shares and Other Equity (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 34,043.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Rest of the World: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 86,239.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Sep 1997 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Rest of the World: Loans (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 98,084.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Rest of the World: Loans: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 32,784.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Sep 1997 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Rest of the World: Securities Other than Shares (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 107,086.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Rest of the World: Securities Other than Shares: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 53,456.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Sep 1997 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Rest of the World: Shares and Other Equity (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 77,002.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Not Allocated (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 428,956.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Securities Other than Shares (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 860,095.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Money Market Fund Shares (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2,868.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: Shares and Other Equity (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 194,892.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1,862,984.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1,836,597.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: MFIs (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 440,205.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: Central General Govt (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 42,567.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: Other General Govt (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 48,842.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: Other General Govt: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 48,838.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: Other General Govt: Overnight (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 43,465.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: Other General Govt: Agreed Maturity (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 5,273.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: Other General Govt: Agreed Maturity... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 4,458.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: Other General Govt: Redeemable at N... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: Other General Govt: Repo (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 104.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits: Other Resident Sectors (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1,325,180.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Other Euro Area (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 552,853.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Rest of the World (RW) (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 110,172.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: RW: Deposits (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 110,134.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: RW: Deposits: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 67,355.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Sep 1997 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: RW: Deposits: Overnight: Agreed Maturity & Redeemable a... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 89,505.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: RW: Deposits: Overnight: AR: ow Up to 2 Years (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 65,112.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1998 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: RW: Deposits: Repo (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 20,629.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1998 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Not Allocated (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 888,832.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Not Allocated: ow Up to 2 Years (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 30,050.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Not Allocated: ow Debt Securities Issued (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 227,089.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Not Allocated: ow Debt Securities Issued: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 198,241.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Not Allocated: ow Other Liabilities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 204,485.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Notes and Coins (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 139,857.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Money Market Fund Shares (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 6,378.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Domestic: Deposits (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1,856,686.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Other Euro Area: Deposits (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 552,811.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Other Euro Area: Deposits: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 533,558.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Other Euro Area: Deposits: MFIs (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 522,303.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Other Euro Area: Deposits: MFIs: ow in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 508,652.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Other Euro Area: Deposits: Central Government (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 10.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Other Euro Area: Deposits: Other General Government (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 14.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: Other Euro Area: Deposits: Others (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 30,484.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2,829,618.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Sep 1997 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: in Foreign Currency (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 117,167.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Sep 1997 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Liabilities: in Unclassified Currency (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 468,055.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: in Euro (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2,824,274.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Sep 1997 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: in Foreign Currency (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 170,148.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Sep 1997 - May 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Spain MFIs: Assets: in Unclassified Currency (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 420,527.00
            
                                        May 2018
                                     | 
                                    
                                    
                                    
                                        monthly
                                     | 
                                    
                                        Dec 1989 - May 2018
                                     |