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Loans and Leases - Loans Held for Investment by Credit Quality Indicator (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
2024 | $ 5,975 |  |
2023 | 7,055 |  |
2022 | 16,627 |  |
2021 | 11,883 |  |
2020 | 10,030 |  |
Prior To 2020 | 19,309 |  |
Revolving Loans | 11,266 |  |
Revolving Loans Converted to Term Loans | 182 |  |
Total | 82,327 |  | $ 84,619
Current-period gross write-offs |  |  |
Total | (91) | $ (5) |
Pass |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 74,190 |  |
Special mention |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 1,159 |  |
Substandard |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 6,978 |  |
Mortgage Loans: |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
2024 | 285 |  |
2023 | 3,490 |  |
2022 | 13,064 |  |
2021 | 10,423 |  |
2020 | 9,081 |  |
Prior To 2020 | 17,626 |  |
Revolving Loans | 2,212 |  |
Revolving Loans Converted to Term Loans | 15 |  |
Total | 56,196 |  | 56,708
Current-period gross write-offs |  |  |
2024 | 0 |  |
2023 | 0 |  |
2022 | 0 |  |
2021 | (6) |  |
2020 | (3) |  |
Prior To 2020 | (66) |  |
Revolving Loans | 0 |  |
Revolving Loans Converted to Term Loans | 0 |  |
Total | (75) | (2) |
Mortgage Loans: | Pass |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
2024 | 281 |  |
2023 | 3,425 |  |
2022 | 12,524 |  |
2021 | 9,987 |  |
2020 | 8,571 |  |
Prior To 2020 | 11,760 |  |
Revolving Loans | 2,128 |  |
Revolving Loans Converted to Term Loans | 15 |  |
Total | 48,691 |  |
Mortgage Loans: | Special mention |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
2024 | 4 |  |
2023 | 0 |  |
2022 | 139 |  |
2021 | 85 |  |
2020 | 74 |  |
Prior To 2020 | 631 |  |
Revolving Loans | 78 |  |
Revolving Loans Converted to Term Loans | 0 |  |
Total | 1,011 |  |
Mortgage Loans: | Substandard |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
2024 | 0 |  |
2023 | 65 |  |
2022 | 401 |  |
2021 | 351 |  |
2020 | 436 |  |
Prior To 2020 | 5,235 |  |
Revolving Loans | 6 |  |
Revolving Loans Converted to Term Loans | 0 |  |
Total | 6,494 |  |
Mortgage Loans: | Multi-family |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 36,859 |  | 37,265
Mortgage Loans: | Multi-family | Pass |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 32,209 |  | 34,170
Mortgage Loans: | Multi-family | Special mention |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 702 |  | 768
Mortgage Loans: | Multi-family | Substandard |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 3,948 |  | 2,327
Mortgage Loans: | Commercial real estate |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 10,323 |  | 10,470
Mortgage Loans: | Commercial real estate | Pass |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 8,417 |  | 8,734
Mortgage Loans: | Commercial real estate | Special mention |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 237 |  | 367
Mortgage Loans: | Commercial real estate | Substandard |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 1,669 |  | 1,369
Mortgage Loans: | One-to-four family first mortgage |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 5,807 |  | 6,061
Mortgage Loans: | One-to-four family first mortgage | Pass |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 4,985 |  | 5,328
Mortgage Loans: | One-to-four family first mortgage | Special mention |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 0 |  | 0
Mortgage Loans: | One-to-four family first mortgage | Substandard |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 822 |  | 733
Mortgage Loans: | Acquisition, development, and construction |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 3,207 |  | 2,912
Mortgage Loans: | Acquisition, development, and construction | Pass |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 3,081 |  | 2,825
Mortgage Loans: | Acquisition, development, and construction | Special mention |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 72 |  | 57
Mortgage Loans: | Acquisition, development, and construction | Substandard |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 54 |  | 30
Other Loans: |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
2024 | 5,690 |  |
2023 | 3,565 |  |
2022 | 3,563 |  |
2021 | 1,460 |  |
2020 | 949 |  |
Prior To 2020 | 1,683 |  |
Revolving Loans | 9,054 |  |
Revolving Loans Converted to Term Loans | 167 |  |
Total | 26,131 |  | 27,911
Current-period gross write-offs |  |  |
2024 | 0 |  |
2023 | (1) |  |
2022 | (8) |  |
2021 | (5) |  |
2020 | 0 |  |
Prior To 2020 | (2) |  |
Revolving Loans | 0 |  |
Revolving Loans Converted to Term Loans | 0 |  |
Total | (16) | $ (3) |
Other Loans: | Pass |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
2024 | 5,662 |  |
2023 | 3,548 |  |
2022 | 3,326 |  |
2021 | 1,401 |  |
2020 | 896 |  |
Prior To 2020 | 1,599 |  |
Revolving Loans | 8,901 |  |
Revolving Loans Converted to Term Loans | 166 |  |
Total | 25,499 |  | 78,374
Other Loans: | Special mention |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
2024 | 18 |  |
2023 | 4 |  |
2022 | 48 |  |
2021 | 17 |  |
2020 | 13 |  |
Prior To 2020 | 5 |  |
Revolving Loans | 43 |  |
Revolving Loans Converted to Term Loans | 0 |  |
Total | 148 |  | 1,527
Other Loans: | Substandard |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
2024 | 10 |  |
2023 | 13 |  |
2022 | 189 |  |
2021 | 42 |  |
2020 | 40 |  |
Prior To 2020 | 79 |  |
Revolving Loans | 110 |  |
Revolving Loans Converted to Term Loans | 1 |  |
Total | 484 |  | 4,718
Other Loans: | Commercial and industrial loans and lease financing |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 24,418 |  | 25,254
Other Loans: | Commercial and industrial loans and lease financing | Pass |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 23,816 |  | 24,683
Other Loans: | Commercial and industrial loans and lease financing | Special mention |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 148 |  | 335
Other Loans: | Commercial and industrial loans and lease financing | Substandard |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 454 |  | 236
Other Loans: | Other |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 1,713 |  | 2,657
Other Loans: | Other | Pass |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 1,682 |  | 2,634
Other Loans: | Other | Special mention |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | 0 |  | 0
Other Loans: | Other | Substandard |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Total | $ 31 |  | $ 23

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