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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 | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |  |  |
Balance, beginning of period | $ 1,603 | $ 1,599 | $ 1,581 | $ 1,639 |
Included in earnings | (19) | (38) | (34) | (89) |
Purchases/originations/acquisitions | 35 | 15 | 47 | 24 |
Settlements | (7) | 16 | 16 | 17 |
Transfers into Level 3 | 0 | 1 | 2 | 2 |
Balance, end of period | 1,612 | 1,593 | 1,612 | 1,593 |
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) | (19) | (10) | (68) |
Derivative Assets | 2,478 |  | 2,478 |  | $ 1,868
Derivative Liabilities | 2,666 |  | 2,666 |  | $ 2,034
Unrealized gains or losses included in other comprehensive income for instruments still held |  | 0 | 0 | 0 |
Interest rate contracts | Level 3 |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |  |  |
Derivative Assets | 7 | 7 | 7 | 7 |
Derivative Liabilities | 9 | 5 | 9 | 5 |
Residential Mortgage Servicing Rights |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |  |  |
Balance, beginning of period | 1,583 | 1,663 | 1,598 | 1,704 |
Included in earnings | (36) | (49) | (74) | (100) |
Purchases/originations/acquisitions | 35 | 15 | 58 | 25 |
Settlements | 0 | 0 | 0 | 0 |
Transfers into Level 3 | 0 | 0 | 0 | 0 |
Balance, end of period | 1,582 | 1,629 | 1,582 | 1,629 |
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 | (9) | (26) | (25) | (60) |
Interest rate contracts |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |  |  |
Balance, beginning of period | (3) | 0 | 1 | (3) |
Included in earnings | 18 | 12 | 34 | 27 |
Purchases/originations/acquisitions | 0 | 0 | (6) | (1) |
Settlements | (17) | (10) | (31) | (21) |
Transfers into Level 3 | 0 | 0 | 0 | 0 |
Balance, end of period | (2) | 2 | (2) | 2 |
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 | 8 | 8 | 9 | 8 |
Equity Derivatives |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |  |  |
Balance, beginning of period | (82) | (173) | (124) | (170) |
Included in earnings | (1) | (1) | 7 | (19) |
Purchases/originations/acquisitions | 0 | 0 | (5) | 0 |
Settlements | 13 | 29 | 52 | 44 |
Transfers into Level 3 | 0 | 0 | 0 | 0 |
Balance, end of period | (70) | (145) | (70) | (145) |
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 | (1) | (1) | 7 | (19) |
Residential Mortgage Loans |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |  |  |  |
Balance, beginning of period | 105 | 109 | 106 | 108 |
Included in earnings | 0 | 0 | (1) | 3 |
Purchases/originations/acquisitions | 0 | 0 | 0 | 0 |
Settlements | (3) | (3) | (5) | (6) |
Transfers into Level 3 | 0 | 1 | 2 | 2 |
Balance, end of period | 102 | 107 | 102 | 107 |
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 | $ 0 | $ 0 | $ (1) | $ 3 |

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