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Fair Value Measurements - Measured on a Recurring Basis (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
ASSETS |  |
Mortgage loans held for sale | $ 893 | $ 4,381
LIABILITIES |  |
Mortgage servicing rights financing | 19 | 10
Recurring Fair Value Measurements |  |
ASSETS |  |
Mortgage loans held for sale | 893 | 4,381
MSRs - fair value | 6,654 | 4,223
Equity investments | 47 | 63
LIABILITIES |  |
Mortgage servicing rights financing | 19 | 10
Excess spread financing | 509 | 768
Recurring Fair Value Measurements | Level 1 |  |
ASSETS |  |
Mortgage loans held for sale | 0 | 0
MSRs - fair value | 0 | 0
Equity investments | 2 | 9
LIABILITIES |  |
Mortgage servicing rights financing | 0 | 0
Excess spread financing | 0 | 0
Recurring Fair Value Measurements | Level 2 |  |
ASSETS |  |
Mortgage loans held for sale | 819 | 4,381
MSRs - fair value | 0 | 0
Equity investments |  | 0
LIABILITIES |  |
Mortgage servicing rights financing | 0 | 0
Excess spread financing | 0 | 0
Recurring Fair Value Measurements | Level 3 |  |
ASSETS |  |
Mortgage loans held for sale | 74 | 0
MSRs - fair value | 6,654 | 4,223
Equity investments | 45 | 54
LIABILITIES |  |
Mortgage servicing rights financing | 19 | 10
Excess spread financing | 509 | 768
IRLCs | Recurring Fair Value Measurements |  |
ASSETS |  |
Derivative financial instruments | 22 | 134
IRLCs | Recurring Fair Value Measurements | Level 1 |  |
ASSETS |  |
Derivative financial instruments | 0 | 0
IRLCs | Recurring Fair Value Measurements | Level 2 |  |
ASSETS |  |
Derivative financial instruments | 0 | 0
IRLCs | Recurring Fair Value Measurements | Level 3 |  |
ASSETS |  |
Derivative financial instruments | 22 | 134
Forward MBS trades | Recurring Fair Value Measurements |  |
ASSETS |  |
Derivative financial instruments | 8 | 7
LIABILITIES |  |
Derivative financial instruments | 9 | 8
Forward MBS trades | Recurring Fair Value Measurements | Level 1 |  |
ASSETS |  |
Derivative financial instruments | 0 | 0
LIABILITIES |  |
Derivative financial instruments | 0 | 0
Forward MBS trades | Recurring Fair Value Measurements | Level 2 |  |
ASSETS |  |
Derivative financial instruments | 8 | 7
LIABILITIES |  |
Derivative financial instruments | 9 | 8
Forward MBS trades | Recurring Fair Value Measurements | Level 3 |  |
ASSETS |  |
Derivative financial instruments | 0 | 0
LIABILITIES |  |
Derivative financial instruments | 0 | 0
LPCs | Recurring Fair Value Measurements |  |
ASSETS |  |
Derivative financial instruments | 1 | 3
LIABILITIES |  |
Derivative financial instruments | 1 | 2
LPCs | Recurring Fair Value Measurements | Level 1 |  |
ASSETS |  |
Derivative financial instruments | 0 | 0
LIABILITIES |  |
Derivative financial instruments | 0 | 0
LPCs | Recurring Fair Value Measurements | Level 2 |  |
ASSETS |  |
Derivative financial instruments | 0 | 0
LIABILITIES |  |
Derivative financial instruments | 0 | 0
LPCs | Recurring Fair Value Measurements | Level 3 |  |
ASSETS |  |
Derivative financial instruments | 1 | 3
LIABILITIES |  |
Derivative financial instruments | 1 | 2
Swap futures | Recurring Fair Value Measurements |  |
LIABILITIES |  |
Derivative financial instruments |  | 6
Swap futures | Recurring Fair Value Measurements | Level 1 |  |
LIABILITIES |  |
Derivative financial instruments |  | 0
Swap futures | Recurring Fair Value Measurements | Level 2 |  |
LIABILITIES |  |
Derivative financial instruments |  | 6
Swap futures | Recurring Fair Value Measurements | Level 3 |  |
LIABILITIES |  |
Derivative financial instruments |  | 0
Treasury futures |  |
LIABILITIES |  |
Derivative financial instruments | 14 | $ 6
Treasury futures | Recurring Fair Value Measurements |  |
LIABILITIES |  |
Derivative financial instruments | 14 |
Treasury futures | Recurring Fair Value Measurements | Level 1 |  |
LIABILITIES |  |
Derivative financial instruments | 0 |
Treasury futures | Recurring Fair Value Measurements | Level 2 |  |
LIABILITIES |  |
Derivative financial instruments | 14 |
Treasury futures | Recurring Fair Value Measurements | Level 3 |  |
LIABILITIES |  |
Derivative financial instruments | $ 0 |

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