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Fair Value Measurements - Reconciliation of Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |
Balance, beginning of period | $ 1,639 | $ 1,685 |
Included in earnings | (51) | (2) |
Purchases/originations | 8 | 11 |
Settlements | 1 | 11 |
Transfers into Level 3 | 2 | 2 |
Balance, end of period | 1,599 | 1,707 |
The amount of total (losses) gains for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held | (45) | 11 |
Derivative Assets | 2,190 |  | $ 2,472
Derivative Liabilities | 2,485 |  | $ 2,798
Unrealized gains or losses included in other comprehensive income for instruments still held | 0 | 0 |
Interest rate contracts | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |
Derivative Assets | 5 | 6 |
Derivative Liabilities | 5 | 6 |
Servicing Rights |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |
Balance, beginning of period | 1,704 | 1,737 |
Included in earnings | (50) | 8 |
Purchases/originations | 9 | 11 |
Settlements | 0 | 0 |
Transfers into Level 3 | 0 | 0 |
Balance, end of period | 1,663 | 1,756 |
The amount of total (losses) gains for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held | (35) | 25 |
Interest rate contracts |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |
Balance, beginning of period | (3) | 0 |
Included in earnings | 15 | 9 |
Purchases/originations | (1) | 0 |
Settlements | (11) | (9) |
Transfers into Level 3 | 0 | 0 |
Balance, end of period | 0 | 0 |
The amount of total (losses) gains for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held | 6 | 5 |
Equity Derivatives |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |
Balance, beginning of period | (170) | (168) |
Included in earnings | (18) | (17) |
Purchases/originations | 0 | 0 |
Settlements | 15 | 23 |
Transfers into Level 3 | 0 | 0 |
Balance, end of period | (173) | (162) |
The amount of total (losses) gains for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held | (18) | (17) |
Residential Mortgage Loans |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |
Balance, beginning of period | 108 | 116 |
Included in earnings | 2 | (2) |
Purchases/originations | 0 | 0 |
Settlements | (3) | (3) |
Transfers into Level 3 | 2 | 2 |
Balance, end of period | 109 | 113 |
The amount of total (losses) gains for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held | $ 2 | $ (2) |

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