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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, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Interest income: |  |  |  |
Investment Securities | $ 700 | $ 639 | $ 1,387 | $ 1,254
Loans, Including Loans Held for Sale | 9,993 | 9,057 | 19,913 | 17,780
Other | 587 | 470 | 1,157 | 886
Interest-bearing Deposits | (2,874) | (2,277) | (5,686) | (4,133)
Securitized Debt Obligations | (258) | (236) | (519) | (447)
Senior and Subordinated Notes | (591) | (528) | (1,197) | (1,017)
Non-interest income (expense) | 252 | 275 | 559 | 474
Amortization expense (benefit) | (18) | (21) | (41) | (36)
Non-Interest Income, Other |  |  |  |
Interest income: |  |  |  |
Realized gain (loss) on foreign exchange contracts reclassified from AOCI | (19) | (22) | 55 | (30)
Fair value hedges | Investment Securities |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | 24 | 20 | 51 | 35
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 | (98) | (97) | (205) | (177)
Fair value hedges | Securitized Debt Obligations |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | (119) | (101) | (237) | (186)
Fair value hedges | Senior and Subordinated Notes |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on fair value hedges | (210) | (218) | (438) | (407)
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 | 41 | 38 | 86 | 71
Gains (losses) recognized on derivatives | (14) | 29 | 7 | (20)
Gains (losses) recognized on hedged items | (3) | (47) | (42) | (16)
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 | (97) | (96) | (204) | (174)
Gains (losses) recognized on derivatives | 37 | (224) | (34) | (46)
Gains (losses) recognized on hedged items | (38) | 223 | 33 | 43
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 | (119) | (101) | (237) | (185)
Gains (losses) recognized on derivatives | 70 | (162) | 51 | (14)
Gains (losses) recognized on hedged items | (70) | 162 | (51) | 13
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 | (256) | (259) | (523) | (479)
Gains (losses) recognized on derivatives | 48 | (389) | (268) | (2)
Gains (losses) recognized on hedged items | (10) | 430 | 346 | 75
Excluded component of fair value hedges | 8 | 0 | 7 | (1)
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 | (8) | 8 | (39) | 25
Gains (losses) recognized on hedged items | 8 | (8) | 39 | (25)
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 | 0 | 0 | 0 | 0
Cash flow hedges | Loans, Including Loans Held for Sale |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on cash flow hedges | (313) | (297) | (622) | (559)
Cash flow hedges | Other |  |  |  |
Interest income: |  |  |  |
Net income (expense) recognized on cash flow hedges | 3 | 3 | 5 | 6
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 | 0 | 0 | 0
Cash flow hedges | Interest rate contracts: | Investment Securities |  |  |  |
Interest income: |  |  |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 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 | (313) | (297) | (622) | (559)
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 | 6
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 | $ 0 | $ 0 | $ 0

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