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Derivative Instruments and Hedging Activities - Effects of Fair Value and Cash Flow Hedge Accounting (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Interest income: |  |  |
Investment Securities | $ 2,550 | $ 1,884 | $ 1,446
Loans, Including Loans Held for Sale | 37,410 | 28,910 | 24,263
Other | 1,978 | 443 | 60
Interest-bearing Deposits | (9,489) | (2,535) | (956)
Securitized Debt Obligations | (959) | (384) | (119)
Senior and Subordinated Notes | (2,204) | (1,074) | (488)
Non-interest income (loss) | 1,120 | 914 | 824
Amortization expense (benefit) | (79) | (78) | (39)
Non-Interest Income, Other |  |  |
Interest income: |  |  |
Realized losses (gains) on foreign exchange contracts reclassified from AOCI | (66) | (17) | 163
Fair value hedges | Investment Securities |  |  |
Interest income: |  |  |
Net income (expense) recognized on fair value hedges | 81 | (42) | (184)
Fair value hedges | Loans, Including Loans Held for Sale |  |  |
Interest income: |  |  |
Net income (expense) recognized on fair value hedges | 0 | 0 | 0
Fair value hedges | Other |  |  |
Interest income: |  |  |
Net income (expense) recognized on fair value hedges | 0 | 0 | 0
Fair value hedges | Interest-bearing Deposits |  |  |
Interest income: |  |  |
Net income (expense) recognized on fair value hedges | (388) | 6 | 125
Fair value hedges | Securitized Debt Obligations |  |  |
Interest income: |  |  |
Net income (expense) recognized on fair value hedges | (415) | (47) | 106
Fair value hedges | Senior and Subordinated Notes |  |  |
Interest income: |  |  |
Net income (expense) recognized on fair value hedges | (881) | (34) | 348
Fair value hedges | Non-Interest Income, Other |  |  |
Interest income: |  |  |
Net income (expense) recognized on fair value hedges | 0 | (1) | 0
Fair value hedges | Interest rate contracts: | Investment Securities |  |  |
Interest income: |  |  |
Interest recognized on derivatives | 158 | 48 | (92)
Gains (losses) recognized on derivatives | (149) | 276 | 207
Gains (losses) recognized on hedged items | 72 | (366) | (299)
Excluded component of fair value hedges | 0 | 0 | 0
Fair value hedges | Interest rate contracts: | Loans, Including Loans Held for Sale |  |  |
Interest income: |  |  |
Interest recognized on derivatives | 0 | 0 | 0
Gains (losses) recognized on derivatives | 0 | 0 | 0
Gains (losses) recognized on hedged items | 0 | 0 | 0
Excluded component of fair value hedges | 0 | 0 | 0
Fair value hedges | Interest rate contracts: | Other |  |  |
Interest income: |  |  |
Interest recognized on derivatives | 0 | 0 | 0
Gains (losses) recognized on derivatives | 0 | 0 | 0
Gains (losses) recognized on hedged items | 0 | 0 | 0
Excluded component of fair value hedges | 0 | 0 | 0
Fair value hedges | Interest rate contracts: | Interest-bearing Deposits |  |  |
Interest income: |  |  |
Interest recognized on derivatives | (385) | 2 | 126
Gains (losses) recognized on derivatives | 220 | (542) | (168)
Gains (losses) recognized on hedged items | (223) | 546 | 167
Excluded component of fair value hedges | 0 | 0 | 0
Fair value hedges | Interest rate contracts: | Securitized Debt Obligations |  |  |
Interest income: |  |  |
Interest recognized on derivatives | (414) | (48) | 123
Gains (losses) recognized on derivatives | 244 | (698) | (237)
Gains (losses) recognized on hedged items | (245) | 699 | 220
Excluded component of fair value hedges | 0 | 0 | 0
Fair value hedges | Interest rate contracts: | Senior and Subordinated Notes |  |  |
Interest income: |  |  |
Interest recognized on derivatives | (1,036) | (197) | 209
Gains (losses) recognized on derivatives | 733 | (1,893) | (799)
Gains (losses) recognized on hedged items | (575) | 2,059 | 941
Excluded component of fair value hedges | (3) | (3) | (3)
Fair value hedges | Interest rate contracts: | Non-Interest Income, Other |  |  |
Interest income: |  |  |
Interest recognized on derivatives | 0 | 0 | 0
Gains (losses) recognized on derivatives | 42 | (84) | (106)
Gains (losses) recognized on hedged items | (42) | 83 | 106
Excluded component of fair value hedges | 0 | 0 | 0
Cash flow hedges | Investment Securities |  |  |
Interest income: |  |  |
Net income (expense) recognized on cash flow hedges | 0 | 0 | 38
Cash flow hedges | Loans, Including Loans Held for Sale |  |  |
Interest income: |  |  |
Net income (expense) recognized on cash flow hedges | (1,205) | (121) | 919
Cash flow hedges | Other |  |  |
Interest income: |  |  |
Net income (expense) recognized on cash flow hedges | 11 | 3 | 1
Cash flow hedges | Interest-bearing Deposits |  |  |
Interest income: |  |  |
Net income (expense) recognized on cash flow hedges | 0 | 0 | 0
Cash flow hedges | Securitized Debt Obligations |  |  |
Interest income: |  |  |
Net income (expense) recognized on cash flow hedges | 0 | 0 | 0
Cash flow hedges | Senior and Subordinated Notes |  |  |
Interest income: |  |  |
Net income (expense) recognized on cash flow hedges | 0 | 0 | 0
Cash flow hedges | Non-Interest Income, Other |  |  |
Interest income: |  |  |
Net income (expense) recognized on cash flow hedges | 0 | (1) | 1
Cash flow hedges | Interest rate contracts: | Investment Securities |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0 | 38
Cash flow hedges | Interest rate contracts: | Loans, Including Loans Held for Sale |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | (1,205) | (121) | 919
Cash flow hedges | Interest rate contracts: | Other |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0 | 0
Cash flow hedges | Interest rate contracts: | Interest-bearing Deposits |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0 | 0
Cash flow hedges | Interest rate contracts: | Securitized Debt Obligations |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0 | 0
Cash flow hedges | Interest rate contracts: | Senior and Subordinated Notes |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0 | 0
Cash flow hedges | Interest rate contracts: | Non-Interest Income, Other |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0 | 0
Cash flow hedges | Foreign exchange and other contracts | Investment Securities |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0 | 0
Cash flow hedges | Foreign exchange and other contracts | Loans, Including Loans Held for Sale |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0 | 0
Cash flow hedges | Foreign exchange and other contracts | Other |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 11 | 3 | 1
Cash flow hedges | Foreign exchange and other contracts | Interest-bearing Deposits |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0 | 0
Cash flow hedges | Foreign exchange and other contracts | Securitized Debt Obligations |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0 | 0
Cash flow hedges | Foreign exchange and other contracts | Senior and Subordinated Notes |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0 | 0
Cash flow hedges | Foreign exchange and other contracts | Non-Interest Income, Other |  |  |
Interest income: |  |  |
Realized gains (losses) reclassified from AOCI into net income | $ 0 | $ (1) | $ 1

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