| 
                                            
                                            
                                                IIP: Liabilities: DI: Cash & Deposits (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        2020-06
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        2006-03 - 2020-06
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP:债务 (百万欧元)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 915,780.000
            
                                        Sep 2024
                                     | 
                                    
                                    
                                    
                                        季
                                     | 
                                    
                                        Mar 2006 - Sep 2024
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                国际投资头寸(IIP):资产 (百万欧元)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 969,795.000
            
                                        Sep 2024
                                     | 
                                    
                                    
                                    
                                        季
                                     | 
                                    
                                        Mar 2006 - Sep 2024
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Monetary Gold & Special Drawing Rights (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 3,871.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Cash & Deposits (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 195,438.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Debt Securities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 136,084.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Debt Securities: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2,685.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Debt Securities: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 133,400.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Loans (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 71,964.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Loans: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 25,523.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Loans: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 46,441.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Shares & Investments in Mutual Funds (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 334,947.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Shares & Investments in Mutual Funds: Shares & Participations (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 193,762.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Shares & Investments in Mutual Funds: Investments in Mutual Funds (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 141,185.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Insurance, Pension & Standardised Guarantee Schemes (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 394.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Derivatives & Employee Stock Options (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 70,378.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Other Assets & Liabilities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 30,893.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Other Assets & Liabilities: Trade Credits & Advances (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 11,915.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: Other Assets & Liabilities: Others (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 18,977.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Monetary Gold & Special Drawing Rights (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Cash & Deposits (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 144.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Debt Securities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1,329.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Debt Securities: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 53.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Debt Securities: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1,382.000
            
                                        Dec 2019
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Dec 2019
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Loans (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 36,274.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Loans: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 10,497.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Loans: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 25,777.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Shares & Investments in Mutual Funds (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 134,451.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Shares & Investments in Mutual Funds: Shares & Participations (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 134,451.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Shares & Investments in Mutual Funds: Investments in Mutual Fun... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Insurance, Pension & Standardised Guarantee Schemes (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Derivatives & Employee Stock Options (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Other Assets & Liabilities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 8,316.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Other Assets & Liabilities: Trade Credits & Advances (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 7,063.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: DI: Other Assets & Liabilities: Others (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1,253.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Monetary Gold & Special Drawing Rights (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Cash & Deposits (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Debt Securities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 128,808.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Debt Securities: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2,442.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Debt Securities: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 127,248.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Loans (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Loans: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Loans: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Shares & Investments in Mutual Funds (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 184,891.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Shares & Investments in Mutual Funds: Shares & Participations (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 57,199.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Shares & Investments in Mutual Funds: Investments in Mutual Fun... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 141,185.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Insurance, Pension & Standardised Guarantee Schemes (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Derivatives & Employee Stock Options (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Other Assets & Liabilities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Other Assets & Liabilities: Trade Credits & Advances (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: PI: Other Assets & Liabilities: Others (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Mar 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: OI: Cash & Deposits (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 194,628.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: OI: Loans (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 35,690.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: OI: Loans: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 15,026.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: OI: Loans: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 20,664.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: OI: Shares & Investments in Mutual Funds (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2,111.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: OI: Shares & Investments in Mutual Funds: Shares & Participations (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2,111.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: OI: Shares & Investments in Mutual Funds: Investments in Mutual Fun... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: OI: Insurance, Pension & Standardised Guarantee Schemes (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 394.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: OI: Other Assets & Liabilities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 22,570.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: OI: Other Assets & Liabilities: Trade Credits & Advances (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 4,852.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: OI: Other Assets & Liabilities: Others (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 17,718.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Monetary Gold & Special Drawing Rights (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 3,871.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Cash & Deposits (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 667.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Debt Securities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 5,066.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Debt Securities: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 189.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Debt Securities: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 5,037.000
            
                                        Dec 2019
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Dec 2019
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Loans (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Loans: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Loans: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Shares & Investments in Mutual Funds (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Shares & Investments in Mutual Funds: Shares & Participations (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Shares & Investments in Mutual Funds: Investments in Mutual Fun... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Insurance, Pension & Standardised Guarantee Schemes (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Derivatives & Employee Stock Options (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Other Assets & Liabilities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 7.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Other Assets & Liabilities: Trade Credits & Advances (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Assets: RA: Other Assets & Liabilities: Others (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 7.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Monetary Gold & Special Drawing Rights (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1,461.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Cash & Deposits (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 161,083.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Debt Securities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 276,595.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Debt Securities: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 53,808.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Debt Securities: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 222,787.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Loans (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 101,281.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Loans: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 35,243.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Loans: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 66,037.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Shares & Investments in Mutual Funds (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 200,974.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Shares & Investments in Mutual Funds: Shares & Participations (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 175,305.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Shares & Investments in Mutual Funds: Investments in Mutual Fu... (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 25,669.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Insurance, Pension & Standardised Guarantee Schemes (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1,441.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Derivatives & Employee Stock Options (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 71,443.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Other Assets & Liabilities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 32,301.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Other Assets & Liabilities: Trade Credits & Advances (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 10,007.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: Other Assets & Liabilities: Others (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 22,294.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: DI: Monetary Gold & Special Drawing Rights (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: DI: Debt Securities (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 152.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: DI: Debt Securities: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 93.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: DI: Debt Securities: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 57.000
            
                                        Dec 2019
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Dec 2019
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: DI: Loans (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 55,790.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: DI: Loans: Short Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 25,673.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                IIP: Liabilities: DI: Loans: Long Term (EUR mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 30,117.000
            
                                        Jun 2020
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Jun 2020
                                     |