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Derivative Instruments and Hedging Activities - Effects of Fair Value and Cash Flow Hedge Accounting (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Interest income: |  |  |  |
Investment Securities | $ 823 | $ 733 | $ 2,377 | $ 2,120
Loans, Including Loans Held for Sale | 15,229 | 10,547 | 37,835 | 30,460
Other | 711 | 580 | 1,797 | 1,737
Interest-bearing Deposits | (3,597) | (2,945) | (9,432) | (8,631)
Securitized Debt Obligations | (165) | (234) | (505) | (753)
Senior and Subordinated Notes | (582) | (596) | (1,622) | (1,793)
Non-interest income (expense) | 294 | 244 | 910 | 803
Amortization expense (benefit) | 23 | 21 | 49 | 62
Non-Interest Income, Other |  |  |  |
Interest income: |  |  |  |
Realized gain (loss) on foreign exchange contracts reclassified from AOCI | 83 | (56) | (63) | (1)
Fair value hedges | Investment Securities |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | 10 | 23 | 36 | 74
Fair value hedges | Loans, Including Loans Held for Sale |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | 0 | 0 | 0 | 0
Fair value hedges | Other |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | 0 | 0 | 0 | 0
Fair value hedges | Interest-bearing Deposits |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | (22) | (72) | (87) | (277)
Fair value hedges | Securitized Debt Obligations |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | (37) | (102) | (123) | (339)
Fair value hedges | Senior and Subordinated Notes |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | (121) | (211) | (356) | (649)
Fair value hedges | Non-Interest Income, Other |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | 0 | 0 | 0 | 0
Fair value hedges | Interest rate contracts: | Investment Securities |  |  |  |
Interest income: |  |  |  |
Interest recognized on derivatives | 15 | 39 | 69 | 125
Gains (losses) recognized on derivatives | (18) | (144) | (178) | (137)
Gains (losses) recognized on hedged items | 13 | 128 | 145 | 86
Excluded component of fair value hedges | 0 | 0 | 0 | 0
Fair value hedges | Interest rate contracts: | Loans, Including Loans Held for Sale |  |  |  |
Interest income: |  |  |  |
Interest recognized on derivatives | 0 | 0 | 0 | 0
Gains (losses) recognized on derivatives | 0 | 0 | 0 | 0
Gains (losses) recognized on hedged items | 0 | 0 | 0 | 0
Excluded component of fair value hedges | 0 | 0 | 0 | 0
Fair value hedges | Interest rate contracts: | Other |  |  |  |
Interest income: |  |  |  |
Interest recognized on derivatives | 0 | 0 | 0 | 0
Gains (losses) recognized on derivatives | 0 | 0 | 0 | 0
Gains (losses) recognized on hedged items | 0 | 0 | 0 | 0
Excluded component of fair value hedges | 0 | 0 | 0 | 0
Fair value hedges | Interest rate contracts: | Interest-bearing Deposits |  |  |  |
Interest income: |  |  |  |
Interest recognized on derivatives | (22) | (73) | (87) | (277)
Gains (losses) recognized on derivatives | 16 | 247 | 131 | 213
Gains (losses) recognized on hedged items | (16) | (246) | (131) | (213)
Excluded component of fair value hedges | 0 | 0 | 0 | 0
Fair value hedges | Interest rate contracts: | Securitized Debt Obligations |  |  |  |
Interest income: |  |  |  |
Interest recognized on derivatives | (36) | (102) | (122) | (339)
Gains (losses) recognized on derivatives | 19 | 210 | 136 | 261
Gains (losses) recognized on hedged items | (20) | (210) | (137) | (261)
Excluded component of fair value hedges | 0 | 0 | 0 | 0
Fair value hedges | Interest rate contracts: | Senior and Subordinated Notes |  |  |  |
Interest income: |  |  |  |
Interest recognized on derivatives | (147) | (248) | (441) | (771)
Gains (losses) recognized on derivatives | 103 | 1,010 | 887 | 742
Gains (losses) recognized on hedged items | (77) | (973) | (801) | (627)
Excluded component of fair value hedges | 0 | 0 | (1) | 7
Fair value hedges | Interest rate contracts: | Non-Interest Income, Other |  |  |  |
Interest income: |  |  |  |
Interest recognized on derivatives | 0 | 0 | 0 | 0
Gains (losses) recognized on derivatives | (2) | 21 | 70 | (18)
Gains (losses) recognized on hedged items | 2 | (21) | (70) | 18
Excluded component of fair value hedges | 0 | 0 | 0 | 0
Cash flow hedges | Investment Securities |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on cash flow hedges | (2) | 0 | (2) | 0
Cash flow hedges | Loans, Including Loans Held for Sale |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on cash flow hedges | (238) | (314) | (716) | (936)
Cash flow hedges | Other |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on cash flow hedges | 4 | 2 | 9 | 7
Cash flow hedges | Interest-bearing Deposits |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on cash flow hedges | 0 | 0 | 0 | 0
Cash flow hedges | Securitized Debt Obligations |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on cash flow hedges | 0 | 0 | 0 | 0
Cash flow hedges | Senior and Subordinated Notes |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on cash flow hedges | 0 | 0 | 0 | 0
Cash flow hedges | Non-Interest Income, Other |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on cash flow hedges | 0 | 1 | 1 | 1
Cash flow hedges | Interest rate contracts: | Investment Securities |  |  |  |
Interest income: |  |  |  |
Realized gains (losses) reclassified from AOCI into net income | (2) | 0 | (2) | 0
Cash flow hedges | Interest rate contracts: | Loans, Including Loans Held for Sale |  |  |  |
Interest income: |  |  |  |
Realized gains (losses) reclassified from AOCI into net income | (238) | (314) | (716) | (936)
Cash flow hedges | Interest rate contracts: | Other |  |  |  |
Interest income: |  |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 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 | 0
Cash flow hedges | Interest rate contracts: | Securitized Debt Obligations |  |  |  |
Interest income: |  |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 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 | 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 | 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 | 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 | 0
Cash flow hedges | Foreign exchange and other contracts | Other |  |  |  |
Interest income: |  |  |  |
Realized gains (losses) reclassified from AOCI into net income | 4 | 2 | 9 | 7
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 | 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 | 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 | 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 | $ 1

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