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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
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Interest income: |  |
Investment Securities | $ 770 | $ 687
Loans, Including Loans Held for Sale | 10,157 | 9,920
Other | 491 | 570
Interest-bearing Deposits | (2,715) | (2,812)
Securitized Debt Obligations | (176) | (261)
Senior and Subordinated Notes | (505) | (606)
Non-interest income (expense) | 255 | 307
Amortization expense (benefit) | (10) | (23)
Non-Interest Income, Other |  |
Interest income: |  |
Realized gain (loss) on foreign exchange contracts reclassified from AOCI | (126) | 73
Fair value hedges | Investment Securities |  |
Interest income: |  |
Net income (expense) recognized on fair value hedges | 14 | 27
Fair value hedges | Loans, Including Loans Held for Sale |  |
Interest income: |  |
Net income (expense) recognized on fair value hedges | 0 | 0
Fair value hedges | Other |  |
Interest income: |  |
Net income (expense) recognized on fair value hedges | 0 | 0
Fair value hedges | Interest-bearing Deposits |  |
Interest income: |  |
Net income (expense) recognized on fair value hedges | (35) | (107)
Fair value hedges | Securitized Debt Obligations |  |
Interest income: |  |
Net income (expense) recognized on fair value hedges | (50) | (118)
Fair value hedges | Senior and Subordinated Notes |  |
Interest income: |  |
Net income (expense) recognized on fair value hedges | (120) | (228)
Fair value hedges | Non-Interest Income, Other |  |
Interest income: |  |
Net income (expense) recognized on fair value hedges | 0 | 0
Fair value hedges | Interest rate contracts: | Investment Securities |  |
Interest income: |  |
Interest recognized on derivatives | 32 | 45
Gains (losses) recognized on derivatives | (98) | 21
Gains (losses) recognized on hedged items | 80 | (39)
Excluded component of fair value hedges | 0 | 0
Fair value hedges | Interest rate contracts: | Loans, Including Loans Held for Sale |  |
Interest income: |  |
Interest recognized on derivatives | 0 | 0
Gains (losses) recognized on derivatives | 0 | 0
Gains (losses) recognized on hedged items | 0 | 0
Excluded component of fair value hedges | 0 | 0
Fair value hedges | Interest rate contracts: | Other |  |
Interest income: |  |
Interest recognized on derivatives | 0 | 0
Gains (losses) recognized on derivatives | 0 | 0
Gains (losses) recognized on hedged items | 0 | 0
Excluded component of fair value hedges | 0 | 0
Fair value hedges | Interest rate contracts: | Interest-bearing Deposits |  |
Interest income: |  |
Interest recognized on derivatives | (35) | (107)
Gains (losses) recognized on derivatives | 75 | (71)
Gains (losses) recognized on hedged items | (75) | 71
Excluded component of fair value hedges | 0 | 0
Fair value hedges | Interest rate contracts: | Securitized Debt Obligations |  |
Interest income: |  |
Interest recognized on derivatives | (49) | (118)
Gains (losses) recognized on derivatives | 73 | (19)
Gains (losses) recognized on hedged items | (74) | 19
Excluded component of fair value hedges | 0 | 0
Fair value hedges | Interest rate contracts: | Senior and Subordinated Notes |  |
Interest income: |  |
Interest recognized on derivatives | (148) | (267)
Gains (losses) recognized on derivatives | 475 | (316)
Gains (losses) recognized on hedged items | (447) | 356
Excluded component of fair value hedges | 0 | (1)
Fair value hedges | Interest rate contracts: | Non-Interest Income, Other |  |
Interest income: |  |
Interest recognized on derivatives | 0 | 0
Gains (losses) recognized on derivatives | 23 | (31)
Gains (losses) recognized on hedged items | (23) | 31
Excluded component of fair value hedges | 0 | 0
Cash flow hedges | Investment Securities |  |
Interest income: |  |
Net income (expense) recognized on cash flow hedges | 1 | 0
Cash flow hedges | Loans, Including Loans Held for Sale |  |
Interest income: |  |
Net income (expense) recognized on cash flow hedges | (241) | (309)
Cash flow hedges | Other |  |
Interest income: |  |
Net income (expense) recognized on cash flow hedges | 2 | 2
Cash flow hedges | Interest-bearing Deposits |  |
Interest income: |  |
Net income (expense) recognized on cash flow hedges | 0 | 0
Cash flow hedges | Securitized Debt Obligations |  |
Interest income: |  |
Net income (expense) recognized on cash flow hedges | 0 | 0
Cash flow hedges | Senior and Subordinated Notes |  |
Interest income: |  |
Net income (expense) recognized on cash flow hedges | 0 | 0
Cash flow hedges | Non-Interest Income, Other |  |
Interest income: |  |
Net income (expense) recognized on cash flow hedges | (1) | 0
Cash flow hedges | Interest rate contracts: | Investment Securities |  |
Interest income: |  |
Realized gains (losses) reclassified from AOCI into net income | 1 | 0
Cash flow hedges | Interest rate contracts: | Loans, Including Loans Held for Sale |  |
Interest income: |  |
Realized gains (losses) reclassified from AOCI into net income | (241) | (309)
Cash flow hedges | Interest rate contracts: | Other |  |
Interest income: |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0
Cash flow hedges | Interest rate contracts: | Interest-bearing Deposits |  |
Interest income: |  |
Realized gains (losses) reclassified from AOCI into net income | 0 | 0
Cash flow hedges | Interest rate contracts: | Securitized Debt Obligations |  |
Interest income: |  |
Realized gains (losses) reclassified from AOCI into net income | 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
Cash flow hedges | Interest rate contracts: | Non-Interest Income, Other |  |
Interest income: |  |
Realized gains (losses) reclassified from AOCI into net income | 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
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
Cash flow hedges | Foreign exchange and other contracts | Other |  |
Interest income: |  |
Realized gains (losses) reclassified from AOCI into net income | 2 | 2
Cash flow hedges | Foreign exchange and other contracts | Interest-bearing Deposits |  |
Interest income: |  |
Realized gains (losses) reclassified from AOCI into net income | 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
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
Cash flow hedges | Foreign exchange and other contracts | Non-Interest Income, Other |  |
Interest income: |  |
Realized gains (losses) reclassified from AOCI into net income | $ (1) | $ 0

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