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v3.25.2

Relationship with BLG and Bayview Financial (Detail) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Revenue from contract with customer | $ 417,000,000 | $ 388,000,000 | $ 814,000,000 | $ 755,000,000 |
Deposits | 164,453,000,000 |  | 164,453,000,000 |  | $ 161,095,000,000
Bayview Financial |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Deposits | $ 3,500,000,000 |  | $ 3,500,000,000 |  | 2,200,000,000
Bayview Lending Group |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Ownership percentage (as a percent) | 20.00% |  | 20.00% |  |
Equity method investments | $ 0 |  | $ 0 |  |
Bayview Lending Group | Other Revenues From Operations |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Income from equity method investments |  |  |  | 25,000,000 |
Bayview Lending Group and Bayview Financial |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Outstanding principal balances of mortgage servicing rights | 939,000,000 |  | 939,000,000 |  | 1,000,000,000.0
Revenue from contract with customer | 1,000,000 | 1,000,000 | 2,000,000 | 3,000,000 |
Bayview Financial |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Outstanding principal balances of residential mortgage loans from Bayview Financial | 157,600,000,000 |  | 157,600,000,000 |  | 111,500,000,000
Revenues from sub-servicing | 55,000,000 | $ 31,000,000 | 95,000,000 | $ 63,000,000 |
Investment securities in held-to-maturity portfolio securitized by Bayview Financial | 34,000,000 |  | 34,000,000 |  | 37,000,000
Commitments to extend credit | 1,000,000,000 |  | 1,000,000,000 |  |
Outstanding balance | $ 666,000,000 |  | $ 666,000,000 |  | $ 404,000,000

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