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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, 2024 | Mar. 31, 2023
Interest income: |  |
Investment Securities | $ 687 | $ 615
Loans, Including Loans Held for Sale | 9,920 | 8,723
Other | 570 | 416
Interest-bearing Deposits | (2,812) | (1,856)
Securitized Debt Obligations | (261) | (211)
Senior and Subordinated Notes | (606) | (489)
Non-interest income (loss) | 307 | 199
Amortization expense (benefit) | (23) | (15)
Non-Interest Income, Other |  |
Interest income: |  |
Realized gain (loss) on foreign exchange contracts reclassified from AOCI | 73 | (8)
Fair value hedges | Investment Securities |  |
Interest income: |  |
Net income (expense) recognized on fair value hedges | 27 | 15
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 | (107) | (80)
Fair value hedges | Securitized Debt Obligations |  |
Interest income: |  |
Net income (expense) recognized on fair value hedges | (118) | (85)
Fair value hedges | Senior and Subordinated Notes |  |
Interest income: |  |
Net income (expense) recognized on fair value hedges | (228) | (189)
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 | 45 | 33
Gains (losses) recognized on derivatives | 21 | (49)
Gains (losses) recognized on hedged items | (39) | 31
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 | (107) | (78)
Gains (losses) recognized on derivatives | (71) | 178
Gains (losses) recognized on hedged items | 71 | (180)
Excluded component of fair value hedges | 0 | 0
Fair value hedges | Interest rate contracts: | Securitized Debt Obligations |  |
Interest income: |  |
Interest recognized on derivatives | (118) | (84)
Gains (losses) recognized on derivatives | (19) | 148
Gains (losses) recognized on hedged items | 19 | (149)
Excluded component of fair value hedges | 0 | 0
Fair value hedges | Interest rate contracts: | Senior and Subordinated Notes |  |
Interest income: |  |
Interest recognized on derivatives | (267) | (220)
Gains (losses) recognized on derivatives | (316) | 387
Gains (losses) recognized on hedged items | 356 | (355)
Excluded component of fair value hedges | (1) | (1)
Fair value hedges | Interest rate contracts: | Non-Interest Income, Other |  |
Interest income: |  |
Interest recognized on derivatives | 0 | 0
Gains (losses) recognized on derivatives | (31) | 17
Gains (losses) recognized on hedged items | 31 | (17)
Excluded component of fair value hedges | 0 | 0
Cash flow hedges | Investment Securities |  |
Interest income: |  |
Net income (expense) recognized on cash flow hedges | 0 | 0
Cash flow hedges | Loans, Including Loans Held for Sale |  |
Interest income: |  |
Net income (expense) recognized on cash flow hedges | (309) | (262)
Cash flow hedges | Other |  |
Interest income: |  |
Net income (expense) recognized on cash flow hedges | 2 | 3
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 | 0 | 0
Cash flow hedges | Interest rate contracts: | Investment Securities |  |
Interest income: |  |
Realized gains (losses) reclassified from AOCI into net income | 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 | (309) | (262)
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 | 3
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 | $ 0 | $ 0

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