Quarterly report [Sections 13 or 15(d)]

Fair Value Measurements - Recurring Fair Value Inputs (Details)

v3.26.1
Fair Value Measurements - Recurring Fair Value Inputs (Details)
$ in Millions
Mar. 31, 2026
USD ($)
$ / MMBTU
$ / security
Dec. 31, 2025
USD ($)
$ / MMBTU
$ / security
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other assets, primarily MSRs and tax-related equity investments $ 12,107 $ 9,058
Long-term debt (79,274) (72,591)
Recurring    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other assets, primarily MSRs and tax-related equity investments 12,107 9,058
Long-term debt (79,274) (72,591)
Recurring | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by residential real estate assets 179 327
Instruments backed by commercial real estate assets 342 373
Commercial loans, debt securities and other 3,023 3,006
Other assets, primarily MSRs and tax-related equity investments 2,064 2,118
Long-term debt (571) (481)
Net derivative assets (liabilities) $ (584) $ (1,313)
Recurring | Level 3 | Yield | Minimum | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0 0
Commercial loans, debt securities and other 0 0.04
Other assets, primarily MSRs and tax-related equity investments 0.09 0.08
Long-term debt 0.16 0.15
Recurring | Level 3 | Yield | Minimum | Discounted cash flow, Asset-based approach    
Inputs    
Instruments backed by commercial real estate assets 0 0
Recurring | Level 3 | Yield | Maximum | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0.15 0.15
Commercial loans, debt securities and other 0.24 0.24
Other assets, primarily MSRs and tax-related equity investments 0.11 0.11
Long-term debt 0.22 0.22
Recurring | Level 3 | Yield | Maximum | Discounted cash flow, Asset-based approach    
Inputs    
Instruments backed by commercial real estate assets 0.05 0.05
Recurring | Level 3 | Yield | Weighted Average | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0.08 0.08
Commercial loans, debt securities and other 0.12 0.13
Other assets, primarily MSRs and tax-related equity investments 0.10 0.09
Long-term debt 0.20 0.20
Recurring | Level 3 | Yield | Weighted Average | Discounted cash flow, Asset-based approach    
Inputs    
Instruments backed by commercial real estate assets 0.02 0.02
Recurring | Level 3 | Prepayment speed | Discounted cash flow, Market comparables    
Inputs    
Commercial loans, debt securities and other 0.20 0.20
Recurring | Level 3 | Prepayment speed | Minimum | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0 0
Recurring | Level 3 | Prepayment speed | Maximum | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0.41 0.40
Recurring | Level 3 | Prepayment speed | Weighted Average | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0.06 0.07
Recurring | Level 3 | Default rate | Discounted cash flow, Market comparables    
Inputs    
Commercial loans, debt securities and other 0.02 0.02
Recurring | Level 3 | Default rate | Minimum | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0 0
Recurring | Level 3 | Default rate | Maximum | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0.07 0.07
Recurring | Level 3 | Default rate | Weighted Average | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0.06 0.07
Recurring | Level 3 | Price | Minimum | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets | $ / security 0 0
Commercial loans, debt securities and other 0 0
Other assets, primarily MSRs and tax-related equity investments | $ / security 10 10
Long-term debt | $ / security 28 29
Recurring | Level 3 | Price | Minimum | Discounted cash flow, Asset-based approach    
Inputs    
Instruments backed by commercial real estate assets | $ / security 0 0
Recurring | Level 3 | Price | Maximum | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets | $ / security 115 115
Commercial loans, debt securities and other 134 137
Other assets, primarily MSRs and tax-related equity investments | $ / security 95 95
Long-term debt | $ / security 103 101
Recurring | Level 3 | Price | Maximum | Discounted cash flow, Asset-based approach    
Inputs    
Instruments backed by commercial real estate assets | $ / security 101 100
Recurring | Level 3 | Price | Weighted Average | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets | $ / security 53 53
Commercial loans, debt securities and other | $ / security 61 67
Other assets, primarily MSRs and tax-related equity investments | $ / security 83 84
Long-term debt | $ / security 93 93
Recurring | Level 3 | Price | Weighted Average | Discounted cash flow, Asset-based approach    
Inputs    
Instruments backed by commercial real estate assets | $ / security 64 42
Recurring | Level 3 | Loss severity | Discounted cash flow, Market comparables    
Inputs    
Commercial loans, debt securities and other 0.30 0.30
Recurring | Level 3 | Loss severity | Minimum | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0 0
Recurring | Level 3 | Loss severity | Maximum | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0.82 0.81
Recurring | Level 3 | Loss severity | Weighted Average | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0.26 0.27
Recurring | Level 3 | Weighted-average life, fixed rate | Minimum | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 0 years 0 years
Recurring | Level 3 | Weighted-average life, fixed rate | Maximum | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 13 years 14 years
Recurring | Level 3 | Weighted-average life, fixed rate | Weighted Average | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 6 years 6 years
Recurring | Level 3 | Weighted-average life, variable rate | Minimum | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 0 years 0 years
Recurring | Level 3 | Weighted-average life, variable rate | Maximum | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 10 years 11 years
Recurring | Level 3 | Weighted-average life, variable rate | Weighted Average | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 4 years 4 years
Recurring | Level 3 | Option-adjusted spread, fixed rate | Minimum | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 0.07 0.07
Recurring | Level 3 | Option-adjusted spread, fixed rate | Maximum | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 0.14 0.14
Recurring | Level 3 | Option-adjusted spread, fixed rate | Weighted Average | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 0.09 0.09
Recurring | Level 3 | Option-adjusted spread, variable rate | Minimum | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 0.09 0.09
Recurring | Level 3 | Option-adjusted spread, variable rate | Maximum | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 0.15 0.15
Recurring | Level 3 | Option-adjusted spread, variable rate | Weighted Average | Discounted cash flow    
Inputs    
Other assets, primarily MSRs and tax-related equity investments 0.11 0.12
Recurring | Level 3 | Natural gas forward price | Minimum | Discounted cash flow, Market comparables    
Inputs    
Long-term debt | $ / MMBTU 1 2
Recurring | Level 3 | Natural gas forward price | Maximum | Discounted cash flow, Market comparables    
Inputs    
Long-term debt | $ / MMBTU 7 6
Recurring | Level 3 | Natural gas forward price | Weighted Average | Discounted cash flow, Market comparables    
Inputs    
Long-term debt | $ / MMBTU 3 3
Recurring | Level 3 | Credit derivatives    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Net derivative assets (liabilities) $ 50 $ (3)
Recurring | Level 3 | Credit derivatives | Default rate | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) 0.02  
Recurring | Level 3 | Credit derivatives | Default rate | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities)   0.02
Recurring | Level 3 | Credit derivatives | Price | Minimum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) | $ / security 0  
Recurring | Level 3 | Credit derivatives | Price | Minimum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) | $ / security   0
Recurring | Level 3 | Credit derivatives | Price | Maximum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) | $ / security 108  
Recurring | Level 3 | Credit derivatives | Price | Maximum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) | $ / security   111
Recurring | Level 3 | Credit derivatives | Price | Weighted Average | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) | $ / security 63  
Recurring | Level 3 | Credit derivatives | Price | Weighted Average | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) | $ / security   106
Recurring | Level 3 | Credit derivatives | Credit spreads | Minimum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) 0.0005  
Recurring | Level 3 | Credit derivatives | Credit spreads | Minimum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities)   0.0005
Recurring | Level 3 | Credit derivatives | Credit spreads | Maximum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) 0.0325  
Recurring | Level 3 | Credit derivatives | Credit spreads | Maximum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities)   0.0245
Recurring | Level 3 | Credit derivatives | Credit spreads | Weighted Average | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) 0.0041  
Recurring | Level 3 | Credit derivatives | Credit spreads | Weighted Average | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities)   0.0036
Recurring | Level 3 | Credit derivatives | Credit correlation | Minimum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) 0.41  
Recurring | Level 3 | Credit derivatives | Credit correlation | Minimum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities)   0.40
Recurring | Level 3 | Credit derivatives | Credit correlation | Maximum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) 0.73  
Recurring | Level 3 | Credit derivatives | Credit correlation | Maximum | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities)   0.74
Recurring | Level 3 | Credit derivatives | Credit correlation | Weighted Average | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities) 0.62  
Recurring | Level 3 | Credit derivatives | Credit correlation | Weighted Average | Market comparables, Discounted cash flow, Stochastic recovery correlation model    
Inputs    
Net derivative assets (liabilities)   0.67
Recurring | Level 3 | Equity contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Net derivative assets (liabilities) $ (376) $ (1,018)
Recurring | Level 3 | Equity contracts | Equity correlation | Minimum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0 0
Recurring | Level 3 | Equity contracts | Equity correlation | Maximum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 1 1
Recurring | Level 3 | Equity contracts | Equity correlation | Weighted Average | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.64 0.68
Recurring | Level 3 | Equity contracts | Long-dated equity volatilities | Minimum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0 0
Recurring | Level 3 | Equity contracts | Long-dated equity volatilities | Maximum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 1 1.04
Recurring | Level 3 | Equity contracts | Long-dated equity volatilities | Weighted Average | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.39 0.37
Recurring | Level 3 | Commodity contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Net derivative assets (liabilities) $ (646) $ (664)
Recurring | Level 3 | Commodity contracts | Natural gas forward price | Minimum | Discounted cash flow    
Inputs    
Net derivative assets (liabilities) | $ / MMBTU 1 2
Recurring | Level 3 | Commodity contracts | Natural gas forward price | Maximum | Discounted cash flow    
Inputs    
Net derivative assets (liabilities) | $ / MMBTU 7 6
Recurring | Level 3 | Commodity contracts | Natural gas forward price | Weighted Average | Discounted cash flow    
Inputs    
Net derivative assets (liabilities) | $ / MMBTU 3 3
Recurring | Level 3 | Commodity contracts | Commodities volatilities | Minimum | Discounted cash flow, Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.65 0.49
Recurring | Level 3 | Commodity contracts | Commodities volatilities | Maximum | Discounted cash flow, Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.96 0.53
Recurring | Level 3 | Commodity contracts | Commodities volatilities | Weighted Average | Discounted cash flow, Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.78 0.51
Recurring | Level 3 | Commodity contracts | Power forward price | Minimum | Discounted cash flow    
Inputs    
Net derivative assets (liabilities) 28 29
Recurring | Level 3 | Commodity contracts | Power forward price | Maximum | Discounted cash flow    
Inputs    
Net derivative assets (liabilities) 125 134
Recurring | Level 3 | Commodity contracts | Power forward price | Weighted Average | Discounted cash flow    
Inputs    
Net derivative assets (liabilities) 54 56
Recurring | Level 3 | Interest rate contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Net derivative assets (liabilities) $ 388 $ 372
Recurring | Level 3 | Interest rate contracts | Correlation (IR/IR) | Minimum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) (0.35) (0.35)
Recurring | Level 3 | Interest rate contracts | Correlation (IR/IR) | Maximum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.70 0.70
Recurring | Level 3 | Interest rate contracts | Correlation (IR/IR) | Weighted Average | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.45 0.45
Recurring | Level 3 | Interest rate contracts | Correlation (FX/IR) | Minimum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) (0.10) (0.05)
Recurring | Level 3 | Interest rate contracts | Correlation (FX/IR) | Maximum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.58 0.58
Recurring | Level 3 | Interest rate contracts | Correlation (FX/IR) | Weighted Average | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.25 0.26
Recurring | Level 3 | Interest rate contracts | Long-dated inflation rates | Minimum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0 (0.01)
Recurring | Level 3 | Interest rate contracts | Long-dated inflation rates | Maximum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.17 0.20
Recurring | Level 3 | Interest rate contracts | Long-dated inflation rates | Weighted Average | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.02 0.02
Recurring | Level 3 | Interest rate contracts | Long-dated inflation volatilities | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities)   0.05
Recurring | Level 3 | Interest rate contracts | Interest rate volatilities | Minimum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0 (0.01)
Recurring | Level 3 | Interest rate contracts | Interest rate volatilities | Maximum | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.01 0.01
Recurring | Level 3 | Interest rate contracts | Interest rate volatilities | Weighted Average | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.01 0
Recurring | Level 3 | Mortgage trading loans, MBS and ABS    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by residential real estate assets $ 114 $ 120
Instruments backed by commercial real estate assets 45 47
Commercial loans, debt securities and other 859 768
Loans and securities, fair value 1,000 935
Recurring | Level 3 | Loans and leases    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by residential real estate assets 65 73
Commercial loans, debt securities and other 5 3
Loans and securities, fair value 70 76
Recurring | Level 3 | AFS debt securities – Non-agency residential    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by residential real estate assets   9
Recurring | Level 3 | Other debt securities carried at fair value - Non-agency residential    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by residential real estate assets   125
Loans and securities, fair value   125
Recurring | Level 3 | Corporate securities, trading loans and other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by commercial real estate assets 239 304
Commercial loans, debt securities and other 1,830 1,618
Loans and securities, fair value 2,100 1,900
Recurring | Level 3 | AFS debt securities – Commercial    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by commercial real estate assets 41 22
Recurring | Level 3 | Non-U.S. sovereign debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Commercial loans, debt securities and other 246 240
Loans and securities, fair value 246 240
Recurring | Level 3 | Non-U.S. and other taxable securities    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Commercial loans, debt securities and other 46 322
Recurring | Level 3 | Loans held-for-sale    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by commercial real estate assets 17  
Commercial loans, debt securities and other 37 55
Loans and securities, fair value 54 55
Recurring | Level 3 | Other assets, primarily MSRs and tax-related equity investments    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other assets, primarily MSRs and tax-related equity investments 2,064 2,118
Recurring | Level 3 | AFS debt securities    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Loans and securities, fair value 87 353
Recurring | Level 3 | Other Assets    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other assets, primarily MSRs and tax-related equity investments $ 2,100 $ 2,100