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Fair Value Measurements - Level 3 Reconciliation (Details) - Recurring Fair Value Measurements - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Excess spread financing |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance - beginning of period | $ 509 | $ 768
Changes in fair value included in earnings | (4) | 124
Purchases/additions (1) | 0 | 0
Issuances | 0 | 0
Sales/dispositions (2) | 0 | 0
Repayments | 5 | (293)
Settlements | (54) | (80)
Other changes | 0 | 0
Balance - end of period | 446 | 519
Mortgage servicing rights financing |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance - beginning of period | 19 | 10
Changes in fair value included in earnings | 2 | 10
Purchases/additions (1) | 0 | 0
Issuances | 0 | 0
Sales/dispositions (2) | 0 | 0
Repayments | 0 | 0
Settlements | 0 | 0
Other changes | 0 | 0
Balance - end of period | 21 | 20
Mortgage servicing rights |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance - beginning of period | 6,654 | 4,223
Changes in fair value included in earnings | (140) | 719
Purchases/additions (1) | 2,305 | 1,256
Issuances | 219 | 481
Sales/dispositions (2) | (555) | (293)
Repayments | 0 | 0
Settlements | 0 | 0
Other changes | 21 | 22
Balance - end of period | 8,504 | 6,408
Mortgage loans held for sale |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance - beginning of period | 74 |
Changes in fair value included in earnings | 3 |
Purchases/additions (1) | 130 |
Issuances | 0 |
Sales/dispositions (2) | (105) |
Repayments | 3 |
Settlements | 0 |
Other changes | (2) |
Balance - end of period | 101 |
Equity investments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance - beginning of period | 45 | 54
Changes in fair value included in earnings | (37) | (9)
Purchases/additions (1) | 0 | 0
Issuances | 0 | 0
Sales/dispositions (2) | 0 | 0
Repayments | 0 | 0
Settlements | 0 | 0
Other changes | 0 | 0
Balance - end of period | 8 | 45
IRLCs |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance - beginning of period | 22 | 134
Changes in fair value included in earnings | 0 | (113)
Purchases/additions (1) | 0 | 0
Issuances | 0 | 0
Sales/dispositions (2) | 0 | 0
Repayments | 0 | 0
Settlements | 0 | 0
Other changes | 0 | 0
Balance - end of period | $ 22 | $ 21

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