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
Jun. 30, 2026
USD ($)
$ / security
$ / MMBTU
Dec. 31, 2025
USD ($)
$ / security
$ / MMBTU
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other assets, primarily MSRs and tax-related equity investments $ 7,311 $ 9,058
Long-term debt (84,797) (72,591)
Recurring    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other assets, primarily MSRs and tax-related equity investments 7,311 9,058
Long-term debt (84,797) (72,591)
Recurring | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by residential real estate assets 229 327
Instruments backed by commercial real estate assets 368 373
Commercial loans, debt securities and other 3,399 3,006
Other assets, primarily MSRs and tax-related equity investments 2,067 2,118
Long-term debt (592) (481)
Net derivative assets (liabilities) $ (1,761) $ (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 0.07 0.08
Long-term debt 0.14 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 0.28 0.24
Other assets, primarily MSRs and tax-related equity investments 0.09 0.11
Long-term debt 0.28 0.22
Recurring | Level 3 | Yield | Maximum | Discounted cash flow, Asset-based approach    
Inputs    
Instruments backed by commercial real estate assets 0.09 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 0.09 0.13
Other assets, primarily MSRs and tax-related equity investments 0.08 0.09
Long-term debt 0.25 0.20
Recurring | Level 3 | Yield | Weighted Average | Discounted cash flow, Asset-based approach    
Inputs    
Instruments backed by commercial real estate assets 0.06 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 0.22 0.40
Recurring | Level 3 | Prepayment speed | Weighted Average | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0.05 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 0.07 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 27 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 165 137
Other assets, primarily MSRs and tax-related equity investments | $ / security 93 95
Long-term debt | $ / security 100 101
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 75 53
Commercial loans, debt securities and other | $ / security 65 67
Other assets, primarily MSRs and tax-related equity investments | $ / security 82 84
Long-term debt | $ / security 91 93
Recurring | Level 3 | Price | Weighted Average | Discounted cash flow, Asset-based approach    
Inputs    
Instruments backed by commercial real estate assets | $ / security 66 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 0.83 0.81
Recurring | Level 3 | Loss severity | Weighted Average | Discounted cash flow, Market comparables    
Inputs    
Instruments backed by residential real estate assets 0.29 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 14 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 6 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 111  
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 72  
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) 0.0007  
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) 0.0228  
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) 0.0035  
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) 0.43  
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) 0.77  
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) 0.71  
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) $ (1,403) $ (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) 0.66 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) 1.18 1.04
Recurring | Level 3 | Equity contracts | Long-dated equity volatilities | Weighted Average | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.43 0.37
Recurring | Level 3 | Commodity contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Net derivative assets (liabilities) $ (651) $ (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 6 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) 0.60 0.49
Recurring | Level 3 | Commodity contracts | Commodities volatilities | Maximum | Discounted cash flow, Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.63 0.53
Recurring | Level 3 | Commodity contracts | Commodities volatilities | Weighted Average | Discounted cash flow, Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.62 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) 53 56
Recurring | Level 3 | Interest rate contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Net derivative assets (liabilities) $ 243 $ 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) 0.46 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) 0.35 0.58
Recurring | Level 3 | Interest rate contracts | Correlation (FX/IR) | Weighted Average | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0.26 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) 0.10 0.01
Recurring | Level 3 | Interest rate contracts | Interest rate volatilities | Weighted Average | Industry standard derivative pricing    
Inputs    
Net derivative assets (liabilities) 0 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 $ 116 $ 120
Instruments backed by commercial real estate assets 44 47
Commercial loans, debt securities and other 1,055 768
Loans and securities, fair value 1,200 935
Recurring | Level 3 | Loans and leases    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by residential real estate assets 66 73
Commercial loans, debt securities and other   3
Loans and securities, fair value 66 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 4 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 43 125
Loans and securities, fair value 43 125
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 285 304
Commercial loans, debt securities and other 2,056 1,618
Loans and securities, fair value 2,300 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 39 22
Recurring | Level 3 | Non-U.S. sovereign debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Commercial loans, debt securities and other 236 240
Loans and securities, fair value 236 240
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 15 322
Recurring | Level 3 | Loans held-for-sale    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Commercial loans, debt securities and other 37 55
Loans and securities, fair value 37 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 2,067 2,118
Recurring | Level 3 | AFS debt securities    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Loans and securities, fair value 58 353
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