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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Interest income: |  |  |  |
Investment Securities | $ 784 | $ 700 | $ 1,554 | $ 1,387
Loans, Including Loans Held for Sale | 12,449 | 9,993 | 22,606 | 19,913
Other | 595 | 587 | 1,086 | 1,157
Interest-bearing Deposits | (3,120) | (2,874) | (5,835) | (5,686)
Securitized Debt Obligations | (164) | (258) | (340) | (519)
Senior and Subordinated Notes | (535) | (591) | (1,040) | (1,197)
Non-interest income (expense) | 361 | 252 | 616 | 559
Amortization expense (benefit) | 16 | 18 | 26 | 41
Non-Interest Income, Other |  |  |  |
Interest income: |  |  |  |
Realized gain (loss) on foreign exchange contracts reclassified from AOCI | (20) | (19) | (146) | 55
Fair value hedges | Investment Securities |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | 12 | 24 | 26 | 51
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 | (30) | (98) | (65) | (205)
Fair value hedges | Securitized Debt Obligations |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | (36) | (119) | (86) | (237)
Fair value hedges | Senior and Subordinated Notes |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | (115) | (210) | (235) | (438)
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 | 22 | 41 | 54 | 86
Gains (losses) recognized on derivatives | (62) | (14) | (160) | 7
Gains (losses) recognized on hedged items | 52 | (3) | 132 | (42)
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 | (30) | (97) | (65) | (204)
Gains (losses) recognized on derivatives | 40 | 37 | 115 | (34)
Gains (losses) recognized on hedged items | (40) | (38) | (115) | 33
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 | (37) | (119) | (86) | (237)
Gains (losses) recognized on derivatives | 44 | 70 | 117 | 51
Gains (losses) recognized on hedged items | (43) | (70) | (117) | (51)
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 | (146) | (256) | (294) | (523)
Gains (losses) recognized on derivatives | 309 | 48 | 784 | (268)
Gains (losses) recognized on hedged items | (277) | (10) | (724) | 346
Excluded component of fair value hedges | (1) | 8 | (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 | 49 | (8) | 72 | (39)
Gains (losses) recognized on hedged items | (49) | 8 | (72) | 39
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 | (1) | 0 | 0 | 0
Cash flow hedges | Loans, Including Loans Held for Sale |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on cash flow hedges | (237) | (313) | (478) | (622)
Cash flow hedges | Other |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on cash flow hedges | 3 | 3 | 5 | 5
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 | 2 | 0 | 1 | 0
Cash flow hedges | Interest rate contracts: | Investment Securities |  |  |  |
Interest income: |  |  |  |
Realized gains (losses) reclassified from AOCI into net income | (1) | 0 | 0 | 0
Cash flow hedges | Interest rate contracts: | Loans, Including Loans Held for Sale |  |  |  |
Interest income: |  |  |  |
Realized gains (losses) reclassified from AOCI into net income | (237) | (313) | (478) | (622)
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 | 3 | 3 | 5 | 5
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 | $ 2 | $ 0 | $ 1 | $ 0

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