Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Recurring Fair Value Inputs (Details)

v3.24.0.1
Fair Value Measurements - Recurring Fair Value Inputs (Details)
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
$ / MMBTU
$ / security
Dec. 31, 2022
USD ($)
$ / security
$ / MMBTU
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other assets, primarily auction rate securities $ 11,861 $ 9,594
Long-term debt (42,809) (33,070)
Recurring    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other assets, primarily auction rate securities 11,861 9,594
MSRs 970 1,000
Long-term debt (42,809) (33,070)
Recurring | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by residential real estate assets 538 852
Instruments backed by commercial real estate assets 363 362
Commercial loans, debt securities and other 3,103 4,348
Other assets, primarily auction rate securities 1,657 1,799
MSRs 970 1,020
Long-term debt (614) (862)
Net derivative asset (liability) $ (2,494) $ (2,893)
Recurring | Level 3 | Yield | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt 0.58  
Recurring | Level 3 | Yield | Minimum | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 0 0
Commercial loans, debt securities and other 0.05 0.05
Recurring | Level 3 | Yield | Minimum | Discounted cash flow    
Fair Value Inputs [Abstract]    
Instruments backed by commercial real estate assets 0 0
Recurring | Level 3 | Yield | Minimum | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt   0.22
Recurring | Level 3 | Yield | Maximum | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 0.22 0.25
Commercial loans, debt securities and other 0.59 0.43
Recurring | Level 3 | Yield | Maximum | Discounted cash flow    
Fair Value Inputs [Abstract]    
Instruments backed by commercial real estate assets 0.25 0.25
Recurring | Level 3 | Yield | Maximum | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt   0.43
Recurring | Level 3 | Yield | Weighted Average | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 0.09 0.10
Commercial loans, debt securities and other 0.13 0.15
Recurring | Level 3 | Yield | Weighted Average | Discounted cash flow    
Fair Value Inputs [Abstract]    
Instruments backed by commercial real estate assets 0.12 0.10
Recurring | Level 3 | Yield | Weighted Average | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt   0.23
Recurring | Level 3 | Prepayment speed | Minimum | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 0.01 0
Commercial loans, debt securities and other 0.10 0.10
Recurring | Level 3 | Prepayment speed | Maximum | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 0.42 0.29
Commercial loans, debt securities and other 0.20 0.20
Recurring | Level 3 | Prepayment speed | Weighted Average | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 0.10 0.12
Commercial loans, debt securities and other 0.16 0.15
Recurring | Level 3 | Default rate | Minimum | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 0 0
Commercial loans, debt securities and other 0.03 0.03
Recurring | Level 3 | Default rate | Maximum | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 0.03 0.03
Commercial loans, debt securities and other 0.04 0.04
Recurring | Level 3 | Default rate | Weighted Average | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 0.01 0.01
Commercial loans, debt securities and other 0.04 0.04
Recurring | Level 3 | Price | Minimum | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets | $ / security 0 0
Commercial loans, debt securities and other 0 0
Other assets, primarily auction rate securities | $ / security 10 10
Recurring | Level 3 | Price | Minimum | Discounted cash flow    
Fair Value Inputs [Abstract]    
Instruments backed by commercial real estate assets | $ / security 0 0
Recurring | Level 3 | Price | Minimum | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt | $ / security 0 0
Recurring | Level 3 | Price | Maximum | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets | $ / security 115 111
Commercial loans, debt securities and other 157 157
Other assets, primarily auction rate securities | $ / security 95 97
Recurring | Level 3 | Price | Maximum | Discounted cash flow    
Fair Value Inputs [Abstract]    
Instruments backed by commercial real estate assets | $ / security 100 100
Recurring | Level 3 | Price | Maximum | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt | $ / security 100 119
Recurring | Level 3 | Price | Weighted Average | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets | $ / security 70 26
Commercial loans, debt securities and other | $ / security 70 75
Other assets, primarily auction rate securities | $ / security 85 94
Recurring | Level 3 | Price | Weighted Average | Discounted cash flow    
Fair Value Inputs [Abstract]    
Instruments backed by commercial real estate assets | $ / security 75 75
Recurring | Level 3 | Price | Weighted Average | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt | $ / security 90 90
Recurring | Level 3 | Loss severity | Minimum | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 0 0
Commercial loans, debt securities and other 0.35 0.35
Recurring | Level 3 | Loss severity | Maximum | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 1 1
Commercial loans, debt securities and other 0.40 0.40
Recurring | Level 3 | Loss severity | Weighted Average | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Instruments backed by residential real estate assets 0.27 0.24
Commercial loans, debt securities and other 0.37 0.38
Recurring | Level 3 | Discount rate | Discounted cash flow, Market comparables    
Fair Value Inputs [Abstract]    
Other assets, primarily auction rate securities 0.10 0.11
Recurring | Level 3 | Weighted-Average Life, Fixed Rate | Minimum | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 0 years 0 years
Recurring | Level 3 | Weighted-Average Life, Fixed Rate | Maximum | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 14 years 14 years
Recurring | Level 3 | Weighted-Average Life, Fixed Rate | Weighted Average | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 6 years 6 years
Recurring | Level 3 | Weighted-Average Life, Variable Rate | Minimum | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 0 years 0 years
Recurring | Level 3 | Weighted-Average Life, Variable Rate | Maximum | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 11 years 12 years
Recurring | Level 3 | Weighted-Average Life, Variable Rate | Weighted Average | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 3 years 4 years
Recurring | Level 3 | Option-adjusted spread, fixed rate | Minimum | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 0.07 0.07
Recurring | Level 3 | Option-adjusted spread, fixed rate | Maximum | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 0.14 0.14
Recurring | Level 3 | Option-adjusted spread, fixed rate | Weighted Average | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 0.09 0.09
Recurring | Level 3 | Option-adjusted spread, variable rate | Minimum | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 0.09 0.09
Recurring | Level 3 | Option-adjusted spread, variable rate | Maximum | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 0.15 0.15
Recurring | Level 3 | Option-adjusted spread, variable rate | Weighted Average | Discounted cash flow    
Fair Value Inputs [Abstract]    
MSRs 0.12 0.12
Recurring | Level 3 | Equity correlation | Minimum | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt 0.05 0
Recurring | Level 3 | Equity correlation | Maximum | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt 0.97 0.95
Recurring | Level 3 | Equity correlation | Weighted Average | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt 0.25 0.69
Recurring | Level 3 | Natural gas forward price | Minimum | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt | $ / MMBTU 1 3
Recurring | Level 3 | Natural gas forward price | Maximum | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt | $ / MMBTU 7 13
Recurring | Level 3 | Natural gas forward price | Weighted Average | Discounted cash flow, Market comparables, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Long-term debt | $ / MMBTU 4 9
Recurring | Level 3 | Credit derivatives    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Net derivative asset (liability) $ 9 $ (44)
Recurring | Level 3 | Credit derivatives | Prepayment speed | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.15 0.15
Recurring | Level 3 | Credit derivatives | Default rate | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.02 0.02
Recurring | Level 3 | Credit derivatives | Price | Minimum | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) | $ / security 0 0
Recurring | Level 3 | Credit derivatives | Price | Maximum | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) | $ / security 94 151
Recurring | Level 3 | Credit derivatives | Price | Weighted Average | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) | $ / security 87 63
Recurring | Level 3 | Credit derivatives | Credit spreads | Minimum | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.0002 0.0003
Recurring | Level 3 | Credit derivatives | Credit spreads | Maximum | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.0079 0.0063
Recurring | Level 3 | Credit derivatives | Credit spreads | Weighted Average | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.0059 0.0022
Recurring | Level 3 | Credit derivatives | Upfront points | Minimum | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities)   0
Recurring | Level 3 | Credit derivatives | Upfront points | Maximum | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities)   0.0100
Recurring | Level 3 | Credit derivatives | Upfront points | Weighted Average | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities)   0.0083
Recurring | Level 3 | Credit derivatives | Credit correlation | Minimum | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.22 0.18
Recurring | Level 3 | Credit derivatives | Credit correlation | Maximum | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.62 0.53
Recurring | Level 3 | Credit derivatives | Credit correlation | Weighted Average | Discounted cash flow, Stochastic recovery correlation model    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.58 0.44
Recurring | Level 3 | Equity contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Net derivative asset (liability) $ (1,386) $ (1,534)
Recurring | Level 3 | Equity contracts | Equity correlation | Minimum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0 0
Recurring | Level 3 | Equity contracts | Equity correlation | Maximum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.99 1
Recurring | Level 3 | Equity contracts | Equity correlation | Weighted Average | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.67 0.73
Recurring | Level 3 | Equity contracts | Long-dated equity volatilities | Minimum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.04 0.04
Recurring | Level 3 | Equity contracts | Long-dated equity volatilities | Maximum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 1.02 1.01
Recurring | Level 3 | Equity contracts | Long-dated equity volatilities | Weighted Average | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.34 0.44
Recurring | Level 3 | Commodity contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Net derivative asset (liability) $ (633) $ (291)
Recurring | Level 3 | Commodity contracts | Natural gas forward price | Minimum | Discounted cash flow, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) | $ / MMBTU 1 3
Recurring | Level 3 | Commodity contracts | Natural gas forward price | Maximum | Discounted cash flow, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) | $ / MMBTU 7 13
Recurring | Level 3 | Commodity contracts | Natural gas forward price | Weighted Average | Discounted cash flow, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) | $ / MMBTU 4 8
Recurring | Level 3 | Commodity contracts | Power forward price | Minimum | Discounted cash flow, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 21 9
Recurring | Level 3 | Commodity contracts | Power forward price | Maximum | Discounted cash flow, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 91 123
Recurring | Level 3 | Commodity contracts | Power forward price | Weighted Average | Discounted cash flow, Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 42 43
Recurring | Level 3 | Interest rate contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Net derivative asset (liability) $ (484) $ (1,024)
Recurring | Level 3 | Interest rate contracts | Correlation (IR/IR) | Minimum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) (0.35) (0.35)
Recurring | Level 3 | Interest rate contracts | Correlation (IR/IR) | Maximum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.89 0.89
Recurring | Level 3 | Interest rate contracts | Correlation (IR/IR) | Weighted Average | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.65 0.67
Recurring | Level 3 | Interest rate contracts | Correlation (FX/IR) | Minimum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) (0.25) 0.11
Recurring | Level 3 | Interest rate contracts | Correlation (FX/IR) | Maximum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.58 0.58
Recurring | Level 3 | Interest rate contracts | Correlation (FX/IR) | Weighted Average | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.35 0.43
Recurring | Level 3 | Interest rate contracts | Long-dated inflation rates | Minimum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) (0.01) 0
Recurring | Level 3 | Interest rate contracts | Long-dated inflation rates | Maximum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.11 0.39
Recurring | Level 3 | Interest rate contracts | Long-dated inflation rates | Weighted Average | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0 0.01
Recurring | Level 3 | Interest rate contracts | Long-dated inflation volatilities | Minimum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0 0
Recurring | Level 3 | Interest rate contracts | Long-dated inflation volatilities | Maximum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.05 0.05
Recurring | Level 3 | Interest rate contracts | Long-dated inflation volatilities | Weighted Average | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.02 0.02
Recurring | Level 3 | Interest rate contracts | Interest rate volatilities | Minimum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0 0
Recurring | Level 3 | Interest rate contracts | Interest rate volatilities | Maximum | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.02 0.02
Recurring | Level 3 | Interest rate contracts | Interest rate volatilities | Weighted Average | Industry standard derivative pricing    
Fair Value Inputs [Abstract]    
Net derivative assets (liabilities) 0.01 0.01
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 $ 109 $ 338
Instruments backed by commercial real estate assets 62 66
Commercial loans, debt securities and other 1,046 1,148
Fair Value Inputs [Abstract]    
Loans and securities, fair value 1,200 1,600
Recurring | Level 3 | Loans and leases    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by residential real estate assets 87 137
Commercial loans, debt securities and other 6 116
Fair Value Inputs [Abstract]    
Loans and securities, fair value 93 253
Recurring | Level 3 | AFS securities    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by residential real estate assets 273 258
Fair Value Inputs [Abstract]    
Loans and securities, fair value 376 504
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 69 119
Fair Value Inputs [Abstract]    
Loans and securities, fair value 69 119
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 301 292
Commercial loans, debt securities and other 1,388 2,092
Fair Value Inputs [Abstract]    
Loans and securities, fair value 1,700 2,400
Recurring | Level 3 | Loans held-for-sale    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Instruments backed by commercial real estate assets   4
Commercial loans, debt securities and other 164 228
Fair Value Inputs [Abstract]    
Loans and securities, fair value 164 232
Recurring | Level 3 | Non-U.S. sovereign debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Commercial loans, debt securities and other 396 518
Fair Value Inputs [Abstract]    
Loans and securities, fair value 396 518
Recurring | Level 3 | Tax-exempt securities    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Commercial loans, debt securities and other   51
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 103 195
Recurring | Level 3 | Other assets, primarily auction rate securities    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other assets, primarily auction rate securities 687 779
Recurring | Level 3 | Other Assets    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Other assets, primarily auction rate securities $ 1,700 $ 1,800