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Fair Value Measures - Financial Instruments Carried at Fair Value (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Assets: |  |
Total debt securities available for sale | $ 12,826 | $ 10,402
Total mortgage-related debt securities |  |
Assets: |  |
Total debt securities available for sale | 10,016 | 8,573
GSE CMOs |  |
Assets: |  |
Total debt securities available for sale | 8,744 | 7,304
GSE certificates |  |
Assets: |  |
Total debt securities available for sale | 1,110 | 1,106
Private Label collateralized mortgage obligations |  |
Assets: |  |
Total debt securities available for sale | 162 | 163
Total other debt securities |  |
Assets: |  |
Total debt securities available for sale | 2,810 | 1,829
GSE debentures |  |
Assets: |  |
Total debt securities available for sale | 1,241 | 1,203
U. S. Treasury obligations |  |
Assets: |  |
Total debt securities available for sale | 1,008 |
Corporate bonds |  |
Assets: |  |
Total debt securities available for sale | 249 | 308
Asset-backed securities |  |
Assets: |  |
Total debt securities available for sale | 229 | 236
Municipal bonds, foreign notes, and capital trust |  |
Assets: |  |
Total debt securities available for sale | 5 | 5
Recurring |  |
Assets: |  |
Total securities | 12,840 | 10,416
Mortgage servicing rights |  | 26
Total assets at fair value | 13,367 | 11,031
Liabilities: |  |
Total liabilities at fair value | 29 | 35
Recurring | Interest rate swaps |  |
Assets: |  |
Derivative assets | 15 | 15
Liabilities: |  |
Derivative liabilities | 23 |
Recurring | Interest rate swaps and swaptions |  |
Liabilities: |  |
Derivative liabilities |  | 30
Recurring | Rate lock commitments |  |
Assets: |  |
Derivative assets | 4 | 3
Liabilities: |  |
Derivative liabilities | 3 | 3
Recurring | Mortgage-backed securities forwards |  |
Assets: |  |
Derivative assets |  | 7
Liabilities: |  |
Derivative liabilities | 3 | 2
Recurring | Multi-family |  |
Assets: |  |
Loans held for sale | 328 | 382
Recurring | Commercial real estate |  |
Assets: |  |
Loans held for sale | 180 |
Recurring | Acquisition, development, and construction |  |
Assets: |  |
Loans held for sale |  | 182
Recurring | Total debt securities available for sale |  |
Assets: |  |
Total debt securities available for sale | 12,826 | 10,402
Recurring | Total mortgage-related debt securities |  |
Assets: |  |
Total debt securities available for sale | 10,016 | 8,573
Recurring | GSE CMOs |  |
Assets: |  |
Total debt securities available for sale | 8,744 | 7,304
Recurring | GSE certificates |  |
Assets: |  |
Total debt securities available for sale | 1,110 | 1,106
Recurring | Private Label collateralized mortgage obligations |  |
Assets: |  |
Total debt securities available for sale | 162 | 163
Recurring | Total other debt securities |  |
Assets: |  |
Total debt securities available for sale | 2,810 | 1,829
Recurring | GSE debentures |  |
Assets: |  |
Total debt securities available for sale | 1,241 | 1,203
Recurring | U. S. Treasury obligations |  |
Assets: |  |
Total debt securities available for sale | 1,008 |
Recurring | Corporate bonds |  |
Assets: |  |
Total debt securities available for sale | 249 | 308
Recurring | Asset-backed securities |  |
Assets: |  |
Total debt securities available for sale | 229 | 236
Recurring | Municipal bonds, foreign notes, and capital trust |  |
Assets: |  |
Total debt securities available for sale | 83 | 82
Recurring | Total equity securities |  |
Assets: |  |
Total equity securities | 14 | 14
Recurring | Mutual funds and common stock |  |
Assets: |  |
Total equity securities | 14 | 14
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Assets: |  |
Total securities | 1,008 | 0
Mortgage servicing rights |  | 0
Total assets at fair value | 1,008 | 0
Liabilities: |  |
Total liabilities at fair value | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate swaps |  |
Assets: |  |
Derivative assets | 0 | 0
Liabilities: |  |
Derivative liabilities | 0 |
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate swaps and swaptions |  |
Liabilities: |  |
Derivative liabilities |  | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Rate lock commitments |  |
Assets: |  |
Derivative assets | 0 | 0
Liabilities: |  |
Derivative liabilities | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage-backed securities forwards |  |
Assets: |  |
Derivative assets |  | 0
Liabilities: |  |
Derivative liabilities | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Multi-family |  |
Assets: |  |
Loans held for sale | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial real estate |  |
Assets: |  |
Loans held for sale | 0 |
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Acquisition, development, and construction |  |
Assets: |  |
Loans held for sale |  | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Total debt securities available for sale |  |
Assets: |  |
Total debt securities available for sale | 1,008 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Total mortgage-related debt securities |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | GSE CMOs |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | GSE certificates |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Private Label collateralized mortgage obligations |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Total other debt securities |  |
Assets: |  |
Total debt securities available for sale | 1,008 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | GSE debentures |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | U. S. Treasury obligations |  |
Assets: |  |
Total debt securities available for sale | 1,008 |
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate bonds |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal bonds, foreign notes, and capital trust |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Total equity securities |  |
Assets: |  |
Total equity securities | 0 | 0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Mutual funds and common stock |  |
Assets: |  |
Total equity securities | 0 | 0
Recurring | Significant Other Observable Inputs (Level 2) |  |
Assets: |  |
Total securities | 11,801 | 10,383
Mortgage servicing rights |  | 0
Total assets at fair value | 12,324 | 10,969
Liabilities: |  |
Total liabilities at fair value | 26 | 32
Recurring | Significant Other Observable Inputs (Level 2) | Interest rate swaps |  |
Assets: |  |
Derivative assets | 15 | 15
Liabilities: |  |
Derivative liabilities | 23 |
Recurring | Significant Other Observable Inputs (Level 2) | Interest rate swaps and swaptions |  |
Liabilities: |  |
Derivative liabilities |  | 30
Recurring | Significant Other Observable Inputs (Level 2) | Rate lock commitments |  |
Assets: |  |
Derivative assets | 0 | 0
Liabilities: |  |
Derivative liabilities | 0 | 0
Recurring | Significant Other Observable Inputs (Level 2) | Mortgage-backed securities forwards |  |
Assets: |  |
Derivative assets |  | 7
Liabilities: |  |
Derivative liabilities | 3 | 2
Recurring | Significant Other Observable Inputs (Level 2) | Multi-family |  |
Assets: |  |
Loans held for sale | 328 | 382
Recurring | Significant Other Observable Inputs (Level 2) | Commercial real estate |  |
Assets: |  |
Loans held for sale | 180 |
Recurring | Significant Other Observable Inputs (Level 2) | Acquisition, development, and construction |  |
Assets: |  |
Loans held for sale |  | 182
Recurring | Significant Other Observable Inputs (Level 2) | Total debt securities available for sale |  |
Assets: |  |
Total debt securities available for sale | 11,787 | 10,369
Recurring | Significant Other Observable Inputs (Level 2) | Total mortgage-related debt securities |  |
Assets: |  |
Total debt securities available for sale | 9,985 | 8,540
Recurring | Significant Other Observable Inputs (Level 2) | GSE CMOs |  |
Assets: |  |
Total debt securities available for sale | 8,744 | 7,304
Recurring | Significant Other Observable Inputs (Level 2) | GSE certificates |  |
Assets: |  |
Total debt securities available for sale | 1,110 | 1,106
Recurring | Significant Other Observable Inputs (Level 2) | Private Label collateralized mortgage obligations |  |
Assets: |  |
Total debt securities available for sale | 131 | 130
Recurring | Significant Other Observable Inputs (Level 2) | Total other debt securities |  |
Assets: |  |
Total debt securities available for sale | 1,802 | 1,829
Recurring | Significant Other Observable Inputs (Level 2) | GSE debentures |  |
Assets: |  |
Total debt securities available for sale | 1,241 | 1,203
Recurring | Significant Other Observable Inputs (Level 2) | U. S. Treasury obligations |  |
Assets: |  |
Total debt securities available for sale | 0 |
Recurring | Significant Other Observable Inputs (Level 2) | Corporate bonds |  |
Assets: |  |
Total debt securities available for sale | 249 | 308
Recurring | Significant Other Observable Inputs (Level 2) | Asset-backed securities |  |
Assets: |  |
Total debt securities available for sale | 229 | 236
Recurring | Significant Other Observable Inputs (Level 2) | Municipal bonds, foreign notes, and capital trust |  |
Assets: |  |
Total debt securities available for sale | 83 | 82
Recurring | Significant Other Observable Inputs (Level 2) | Total equity securities |  |
Assets: |  |
Total equity securities | 14 | 14
Recurring | Significant Other Observable Inputs (Level 2) | Mutual funds and common stock |  |
Assets: |  |
Total equity securities | 14 | 14
Recurring | Significant Unobservable Inputs (Level 3) |  |
Assets: |  |
Total securities | 31 | 33
Mortgage servicing rights |  | 26
Total assets at fair value | 35 | 62
Liabilities: |  |
Total liabilities at fair value | 3 | 3
Recurring | Significant Unobservable Inputs (Level 3) | Interest rate swaps |  |
Assets: |  |
Derivative assets | 0 | 0
Liabilities: |  |
Derivative liabilities | 0 |
Recurring | Significant Unobservable Inputs (Level 3) | Interest rate swaps and swaptions |  |
Liabilities: |  |
Derivative liabilities |  | 0
Recurring | Significant Unobservable Inputs (Level 3) | Rate lock commitments |  |
Assets: |  |
Derivative assets | 4 | 3
Liabilities: |  |
Derivative liabilities | 3 | 3
Recurring | Significant Unobservable Inputs (Level 3) | Mortgage-backed securities forwards |  |
Assets: |  |
Derivative assets |  | 0
Liabilities: |  |
Derivative liabilities | 0 | 0
Recurring | Significant Unobservable Inputs (Level 3) | Multi-family |  |
Assets: |  |
Loans held for sale | 0 | 0
Recurring | Significant Unobservable Inputs (Level 3) | Commercial real estate |  |
Assets: |  |
Loans held for sale | 0 |
Recurring | Significant Unobservable Inputs (Level 3) | Acquisition, development, and construction |  |
Assets: |  |
Loans held for sale |  | 0
Recurring | Significant Unobservable Inputs (Level 3) | Total debt securities available for sale |  |
Assets: |  |
Total debt securities available for sale | 31 | 33
Recurring | Significant Unobservable Inputs (Level 3) | Total mortgage-related debt securities |  |
Assets: |  |
Total debt securities available for sale | 31 | 33
Recurring | Significant Unobservable Inputs (Level 3) | GSE CMOs |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Significant Unobservable Inputs (Level 3) | GSE certificates |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Significant Unobservable Inputs (Level 3) | Private Label collateralized mortgage obligations |  |
Assets: |  |
Total debt securities available for sale | 31 | 33
Recurring | Significant Unobservable Inputs (Level 3) | Total other debt securities |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Significant Unobservable Inputs (Level 3) | GSE debentures |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Significant Unobservable Inputs (Level 3) | U. S. Treasury obligations |  |
Assets: |  |
Total debt securities available for sale | 0 |
Recurring | Significant Unobservable Inputs (Level 3) | Corporate bonds |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Significant Unobservable Inputs (Level 3) | Asset-backed securities |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Significant Unobservable Inputs (Level 3) | Municipal bonds, foreign notes, and capital trust |  |
Assets: |  |
Total debt securities available for sale | 0 | 0
Recurring | Significant Unobservable Inputs (Level 3) | Total equity securities |  |
Assets: |  |
Total equity securities | 0 | 0
Recurring | Significant Unobservable Inputs (Level 3) | Mutual funds and common stock |  |
Assets: |  |
Total equity securities | $ 0 | $ 0

X
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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