v3.25.4
Financial Instruments Carried at Fair Value - Quantitative Information about Fair Value (Level 3) (Detail) - Valuation
technique
unobservable
parameters
(Level 3)
€ in Millions
12 Months Ended
Dec. 31, 2025
EUR (€)
Dec. 31, 2024
EUR (€)
Assets: Held for Trading | Fair Value Level 3 | Fair Value Level 3    
Mortgage and other asset backed
securities held for trading:
    
Commercial mortgage-backed securities € 42 € 31
Mortgage and other asset-backed securities 91 93
Total mortgage- and other asset-backed
securities
 133 124
Debt securities and other debt obligations    
Debt securities and other debt obligations 3,447 2,726
Corporate, sovereign and other debt securities (held for trading) 3,447 2,726
Equity securities    
Equity securities 55 114
Loans    
Loans 6,913 5,931
Market values from derivative financial instruments:    
Interest rate derivatives   5,218
Credit derivatives   510
Equity derivatives   642
FX derivatives   995
Other derivatives   580
Non-trading financial assets mandatory at fair value through profit or loss | Fair Value Level 3 | Fair Value Level 3    
Debt securities and other debt obligations    
Debt securities and other debt obligations 1,474  
Corporate, sovereign and other debt securities (held for trading)   1,499
Equity securities    
Equity securities 761 695
Loans    
Loans 2,490 1,779
Assets: Designated at fair value through profit or loss | Fair Value Level 3 | Fair Value Level 3    
Debt securities and other debt obligations    
Debt securities and other debt obligations 0 0
Equity securities    
Equity securities 0 0
Loans    
Loans 0 0
Financial assets at fair value through other comprehensive income | Fair Value Level 3 | Fair Value Level 3    
Debt securities and other debt obligations    
Debt securities and other debt obligations 399 154
Loans    
Loans 1,890 3,107
Assets | Fair Value Level 3 | Fair Value Level 3    
Debt securities and other debt obligations    
Debt securities and other debt obligations 5,320 4,379
Equity securities    
Equity securities 816 809
Loans    
Loans 11,293 10,817
Loan commitments 0
Other financial instruments 1,172 [1] 2,208 [2]
Total non-derivative financial instruments held at fair value 18,734 18,336
Market values from derivative financial instruments:    
Interest rate derivatives 3,798  
Credit derivatives 556  
Equity derivatives 481  
FX derivatives 1,523  
Other derivatives 673  
Total market values from derivative
financial instruments 7,030 7,945
Liabilities | Fair Value Level 3 | Fair Value Level 3    
Debt securities and other debt obligations    
Debt securities and other debt obligations 5,503 4,537
Equity securities    
Equity securities 4 0
Loans    
Loans 2 93
Loan commitments 2 6
Other financial instruments 61 [3] 51 [4]
Total non-derivative financial instruments held at fair value 5,572 4,688
Market values from derivative financial instruments:    
Interest rate derivatives 2,950  
Credit derivatives 603  
Equity derivatives 572  
FX derivatives 1,561  
Other derivatives [5] 289  
Total market values from derivative
financial instruments € 5,974 € 8,694
Bottom of range | Market comparable companies | Price, in percent    
Mortgage and other asset backed
securities held for trading:
    
Commercial Mortgage Backed Securities, significant unobservable input, percent [6] 0.00%  
Mortgage and other asset-backed securities, significant unobservable input, percent [6] 0.00%  
Debt securities and other debt obligations    
Debt securities and other debt obligations, significant unobservable input, percent [6] 0.00%  
Equity securities    
Equity securities, significant unobservable input, percent [6] 0.00%  
Loans    
Loans, significant unobservable input, percent [6] 0.00%  
Bottom of range | Discounted cash flow | Credit spread, in bps    
Mortgage and other asset backed
securities held for trading:
    
Commercial Mortgage Backed Securities, significant unobservable input, absolute [6] 0.0194  
Mortgage and other asset-backed securities, significant unobservable input, absolute 0.0098 [6] 0.0106 [7]
Debt securities and other debt obligations    
Debt securities and other debt obligations, significant unobservable input, absolute [6] 0.0005  
Loans    
Loans, significant unobservable input, absolute [6] 0.0094  
Loan commitments, significant unobservable input, absolute [6] 0.0153  
Bottom of range | Discounted cash flow | Recovery Rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [6] 7.00%  
Loans    
Loans, significant unobservable input, percent [6] 40.00%  
Loan commitments, significant unobservable input, percent [6] 70.00%  
Bottom of range | Discounted cash flow | Constant Default Rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [6] 0.00%  
Bottom of range | Discounted cash flow | Constant prepayment rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [6] 1.00%  
Bottom of range | Discounted cash flow | Weighted average cost of capital, in percent    
Equity securities    
Equity securities, significant unobservable input, percent [6] 9.00%  
Bottom of range | Discounted cash flow | IRR, in percent    
Loans    
Other financial instruments, significant unobservable input, percent [6] 7.00%  
Bottom of range | Discounted cash flow | Repo Rate, in bps    
Loans    
Other financial instruments, significant unobservable input, absolute [6] 0.0008  
Bottom of range | Market approach | Price per net asset value, in percent    
Equity securities    
Equity securities, significant unobservable input, percent [6] 0.00%  
Bottom of range | Market approach | Enterprise value EBITDA, multiple    
Equity securities    
Equity securities, significant unobservable input, absolute [6] 1  
Bottom of range | Market approach | Enterprise value Revenue, multiple    
Equity securities    
Equity securities, significant unobservable input, absolute 4 [6] 1 [7]
Bottom of range | Valuation technique(s) : Loan pricing model | Utilization, in percent    
Loans    
Loan commitments, significant unobservable input, percent [6] 0.00%  
Top of range | Market comparable companies | Price, in percent    
Mortgage and other asset backed
securities held for trading:
    
Commercial Mortgage Backed Securities, significant unobservable input, percent [6] 101.00%  
Mortgage and other asset-backed securities, significant unobservable input, percent [6] 105.00%  
Debt securities and other debt obligations    
Debt securities and other debt obligations, significant unobservable input, percent [6] 300.00%  
Equity securities    
Equity securities, significant unobservable input, percent [6] 2500.00%  
Loans    
Loans, significant unobservable input, percent [6] 300.00%  
Top of range | Discounted cash flow | Credit spread, in bps    
Mortgage and other asset backed
securities held for trading:
    
Commercial Mortgage Backed Securities, significant unobservable input, absolute [6] 0.1019  
Mortgage and other asset-backed securities, significant unobservable input, absolute 0.1166 [6] 0.1027 [7]
Debt securities and other debt obligations    
Debt securities and other debt obligations, significant unobservable input, absolute [6] 0.0696  
Loans    
Loans, significant unobservable input, absolute [6] 0.3106  
Loan commitments, significant unobservable input, absolute [6] 0.0978  
Top of range | Discounted cash flow | Recovery Rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [6] 85.00%  
Loans    
Loans, significant unobservable input, percent [6] 75.00%  
Loan commitments, significant unobservable input, percent [6] 84.00%  
Top of range | Discounted cash flow | Constant Default Rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [6] 4.00%  
Top of range | Discounted cash flow | Constant prepayment rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [6] 37.00%  
Top of range | Discounted cash flow | Weighted average cost of capital, in percent    
Equity securities    
Equity securities, significant unobservable input, percent [6] 20.00%  
Top of range | Discounted cash flow | IRR, in percent    
Loans    
Other financial instruments, significant unobservable input, percent [6] 13.00%  
Top of range | Discounted cash flow | Repo Rate, in bps    
Loans    
Other financial instruments, significant unobservable input, absolute [6] 0.0285  
Top of range | Market approach | Price per net asset value, in percent    
Equity securities    
Equity securities, significant unobservable input, percent [6] 100.00%  
Top of range | Market approach | Enterprise value EBITDA, multiple    
Equity securities    
Equity securities, significant unobservable input, absolute [6] 14  
Top of range | Market approach | Enterprise value Revenue, multiple    
Equity securities    
Equity securities, significant unobservable input, absolute 14 [6] 15 [7]
Top of range | Valuation technique(s) : Loan pricing model | Utilization, in percent    
Loans    
Loan commitments, significant unobservable input, percent [6] 100.00%  
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Market comparable companies | Price, in percent    
Mortgage and other asset backed
securities held for trading:
    
Commercial Mortgage Backed Securities, significant unobservable input, percent [7]   102.00%
Mortgage and other asset-backed securities, significant unobservable input, percent [7]   107.00%
Debt securities and other debt obligations    
Debt securities and other debt obligations, significant unobservable input, percent [7]   300.00%
Equity securities    
Equity securities, significant unobservable input, percent [7]   100.00%
Loans    
Loans, significant unobservable input, percent [7]   123.00%
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Discounted cash flow | Credit spread, in bps    
Mortgage and other asset backed
securities held for trading:
    
Commercial Mortgage Backed Securities, significant unobservable input, absolute [7]   0.1486
Debt securities and other debt obligations    
Debt securities and other debt obligations, significant unobservable input, absolute [7]   0.0651
Loans    
Loans, significant unobservable input, absolute [7]   0.1621
Loan commitments, significant unobservable input, absolute [7]   0.0954
Market values from derivative financial instruments:    
Credit derivatives, significant unobservable input, absolute 0.1277 [6] 0.1148 [7]
Other derivatives, significant unobservable input, absolute 0.0568 [6] 0.0626 [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Discounted cash flow | Recovery Rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [7]   85.00%
Loans    
Loans, significant unobservable input, percent [7]   84.00%
Loan commitments, significant unobservable input, percent [7]   84.00%
Market values from derivative financial instruments:    
Credit derivatives, significant unobservable input, percent 94.00% [6] 40.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Discounted cash flow | Constant Default Rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [7]   4.00%
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 11.00% [6] 12.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Discounted cash flow | Constant prepayment rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [7]   18.00%
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 16.00% [6] 16.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Discounted cash flow | Weighted average cost of capital, in percent    
Equity securities    
Equity securities, significant unobservable input, percent [7]   20.00%
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Discounted cash flow | IRR, in percent    
Loans    
Other financial instruments, significant unobservable input, percent [7]   13.00%
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Discounted cash flow | Repo Rate, in bps    
Loans    
Other financial instruments, significant unobservable input, absolute [7]   0.0285
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Discounted cash flow | Swap Rate, in bps    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, absolute 0.3818 [6] 0.3975 [7]
FX derivatives, significant unobservable input, absolute 0.0100 [6] 0.0100 [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Discounted cash flow | Inflation Swap Rate, in percent    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 8.00% [6] 5.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Market approach | Price per net asset value, in percent    
Equity securities    
Equity securities, significant unobservable input, percent [7]   100.00%
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Market approach | Enterprise value EBITDA, multiple    
Equity securities    
Equity securities, significant unobservable input, absolute [7]   14
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Valuation technique(s) : Loan pricing model | Utilization, in percent    
Loans    
Loan commitments, significant unobservable input, percent [7]   100.00%
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Price, in percent    
Market values from derivative financial instruments:    
Other derivatives, significant unobservable input, percent 677.00% [6] 75.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Inflation Volatility, in percent    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 8.00% [6] 6.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Interest Rate Volatility, in percent    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 2.00% [6] 3.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | IR correlation, in percent    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 95.00% [6] 99.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Hybrid correlation, in percent    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 95.00% [6] 55.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Credit Volatility, in percent    
Market values from derivative financial instruments:    
Credit derivatives, significant unobservable input, percent [6] 90.00%  
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Historical volatility for shares, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent 101.00% [6] 86.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Index Volatility, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent 17.00% [6] 27.00% [7]
Other derivatives, significant unobservable input, percent 116.00% [6] 160.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Index Correlation, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Stock Correlation, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Stock Forwards, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent 5.00% [6] 1.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Index Forwards, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent 6.00% [6] 1.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Volatility, in percent    
Market values from derivative financial instruments:    
FX derivatives, significant unobservable input, percent 57.00% [6] 33.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Quoted volatility, in percent    
Market values from derivative financial instruments:    
FX derivatives, significant unobservable input, percent [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Option pricing model | Commodity Correlation, in percent    
Market values from derivative financial instruments:    
Other derivatives, significant unobservable input, percent 98.00% [6] 87.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top | Valuation technique(s) : Correlation pricing model | Credit correlation, in percent    
Market values from derivative financial instruments:    
Credit derivatives, significant unobservable input, percent [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Market comparable companies | Price, in percent    
Mortgage and other asset backed
securities held for trading:
    
Commercial Mortgage Backed Securities, significant unobservable input, percent [7]   0.00%
Mortgage and other asset-backed securities, significant unobservable input, percent [7]   0.00%
Debt securities and other debt obligations    
Debt securities and other debt obligations, significant unobservable input, percent [7]   0.00%
Equity securities    
Equity securities, significant unobservable input, percent [7]   0.00%
Loans    
Loans, significant unobservable input, percent [7]   0.00%
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Discounted cash flow | Credit spread, in bps    
Mortgage and other asset backed
securities held for trading:
    
Commercial Mortgage Backed Securities, significant unobservable input, absolute [7]   0.0167
Debt securities and other debt obligations    
Debt securities and other debt obligations, significant unobservable input, absolute [7]   0.0009
Loans    
Loans, significant unobservable input, absolute [7]   0.0100
Loan commitments, significant unobservable input, absolute [7]   0.0226
Market values from derivative financial instruments:    
Credit derivatives, significant unobservable input, absolute 0.0012 [6] 0.0015 [7]
Other derivatives, significant unobservable input, absolute 0.0201 [6] 0.0286 [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Discounted cash flow | Recovery Rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [7]   60.00%
Loans    
Loans, significant unobservable input, percent [7]   40.00%
Loan commitments, significant unobservable input, percent [7]   40.00%
Market values from derivative financial instruments:    
Credit derivatives, significant unobservable input, percent 15.00% [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Discounted cash flow | Constant Default Rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [7]   0.00%
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 1.00% [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Discounted cash flow | Constant prepayment rate, in percent    
Mortgage and other asset backed
securities held for trading:
    
Mortgage and other asset-backed securities, significant unobservable input, percent [7]   4.00%
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 2.00% [6] 4.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Discounted cash flow | Weighted average cost of capital, in percent    
Equity securities    
Equity securities, significant unobservable input, percent [7]   9.00%
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Discounted cash flow | IRR, in percent    
Loans    
Other financial instruments, significant unobservable input, percent [7]   7.00%
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Discounted cash flow | Repo Rate, in bps    
Loans    
Other financial instruments, significant unobservable input, absolute [7]   0.0030
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Discounted cash flow | Swap Rate, in bps    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, absolute (0.0720) [6] (0.4176) [7]
FX derivatives, significant unobservable input, absolute (0.0002) [6] (0.0003) [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Discounted cash flow | Inflation Swap Rate, in percent    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 0.00% [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Market approach | Price per net asset value, in percent    
Equity securities    
Equity securities, significant unobservable input, percent [7]   0.00%
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Market approach | Enterprise value EBITDA, multiple    
Equity securities    
Equity securities, significant unobservable input, absolute [7]   5
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Valuation technique(s) : Loan pricing model | Utilization, in percent    
Loans    
Loan commitments, significant unobservable input, percent [7]   0.00%
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Price, in percent    
Market values from derivative financial instruments:    
Other derivatives, significant unobservable input, percent 0.00% [6] 17.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Inflation Volatility, in percent    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 0.00% [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Interest Rate Volatility, in percent    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent 0.00% [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | IR correlation, in percent    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent (10.00%) [6] (10.00%) [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Hybrid correlation, in percent    
Market values from derivative financial instruments:    
Interest rates derivatives, significant unobservable input, percent (56.00%) [6] (70.00%) [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Credit Volatility, in percent    
Market values from derivative financial instruments:    
Credit derivatives, significant unobservable input, percent [6] 5.00%  
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Historical volatility for shares, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent 1.00% [6] 2.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Index Volatility, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent 6.00% [6] 9.00% [7]
Other derivatives, significant unobservable input, percent 0.00% [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Index Correlation, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Stock Correlation, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Stock Forwards, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent 0.00% [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Index Forwards, in percent    
Market values from derivative financial instruments:    
Equity derivatives, significant unobservable input, percent 0.00% [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Volatility, in percent    
Market values from derivative financial instruments:    
FX derivatives, significant unobservable input, percent (9.00%) [6] (9.00%) [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Quoted volatility, in percent    
Market values from derivative financial instruments:    
FX derivatives, significant unobservable input, percent [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Option pricing model | Commodity Correlation, in percent    
Market values from derivative financial instruments:    
Other derivatives, significant unobservable input, percent (22.00%) [6] 0.00% [7]
Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom | Valuation technique(s) : Correlation pricing model | Credit correlation, in percent    
Market values from derivative financial instruments:    
Credit derivatives, significant unobservable input, percent [6] 0.00% [7]
Liabilities: Held for Trading | Fair Value Level 3 | Fair Value Level 3    
Mortgage and other asset backed
securities held for trading:
    
Commercial mortgage-backed securities € 0 € 0
Mortgage and other asset-backed securities 0 0
Total mortgage- and other asset-backed
securities
 0 0
Debt securities and other debt obligations    
Debt securities and other debt obligations 19 26
Equity securities    
Equity securities 4 0
Loans    
Loans 2 93
Market values from derivative financial instruments:    
Interest rate derivatives   5,207
Credit derivatives   562
Equity derivatives   1,201
FX derivatives   1,470
Other derivatives [8]   254
Liabilities: Designated at fair value through profit or loss | Fair Value Level 3 | Fair Value Level 3    
Debt securities and other debt obligations    
Debt securities and other debt obligations 5,484 4,512
Loans    
Loans € 0
[1] Other financial assets include € 157 million of other trading assets, € 1 billion of other non-trading financial assets mandatory at fair value, and € 59 million other financial
assets at fair value through other comprehensive income
[2] Other financial assets include € 253 million of other trading assets, € 1.8 billion of other non-trading financial assets mandatory at fair value, and € 123 million other
financial assets at fair value through other comprehensive income
[3] Other financial liabilities include € 61 million of securities sold under repurchase agreements designated at fair value
[4] Other financial liabilities include € 51 million of securities sold under repurchase agreements designated at fair value
[5] Includes derivatives which are embedded in contracts where the host contract is held at amortized cost but for which the embedded derivative is separated
[6] Valuation technique(s) and subsequently the significant unobservable input(s) relate to the respective total position
[7] Valuation technique(s) and subsequently the significant unobservable input(s) relate to the respective total position
[8] Includes derivatives which are embedded in contracts where the host contract is held at amortized cost but for which the embedded derivative is separated