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Loans and Leases - Loans Held for Investment by Credit Quality Indicator (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Amortized Cost Basis by Closing Year |  |  |
Total | $ 66,592 |  | $ 68,272
Year to date gross charge-offs |  |  |
Total | (124) | $ (91) |
Loans and Leases Held for Investment: | Multi-family |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 19
Originated year two | 18 |  | 837
Originated year three | 898 |  | 7,929
Originated year four | 7,897 |  | 7,776
Originated year five | 7,761 |  | 7,649
Prior year | 16,722 |  | 9,850
Revolving Loans | 10 |  | 33
Revolving Loans Converted to Term Loans | 131 |  |
Total | 33,437 |  | 34,093
Year to date gross charge-offs |  |  |
Originated year one | 0 |  | 0
Originated year two | 0 |  | 0
Originated year three | 0 |  | (28)
Originated year four | (8) |  | (34)
Originated year five | (15) |  | (42)
Prior year | (57) |  | (204)
Revolving Loans | 0 |  | 0
Revolving Loans Converted to Term Loans | 0 |  | 0
Total | (80) | (11) | (308)
Loans and Leases Held for Investment: | Multi-family | Pass |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 17
Originated year two | 16 |  | 700
Originated year three | 734 |  | 6,599
Originated year four | 6,553 |  | 6,070
Originated year five | 5,824 |  | 5,203
Prior year | 9,495 |  | 3,997
Revolving Loans | 6 |  | 27
Revolving Loans Converted to Term Loans | 115 |  | 0
Total | 22,743 |  | 22,613
Loans and Leases Held for Investment: | Multi-family | Special Mention |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 0
Originated year two | 0 |  | 14
Originated year three | 26 |  | 688
Originated year four | 610 |  | 694
Originated year five | 626 |  | 646
Prior year | 745 |  | 795
Revolving Loans | 0 |  | 1
Revolving Loans Converted to Term Loans | 0 |  | 0
Total | 2,007 |  | 2,838
Loans and Leases Held for Investment: | Multi-family | Substandard |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 2
Originated year two | 2 |  | 123
Originated year three | 138 |  | 529
Originated year four | 472 |  | 868
Originated year five | 972 |  | 1,526
Prior year | 4,722 |  | 3,834
Revolving Loans | 4 |  | 5
Revolving Loans Converted to Term Loans | 16 |  | 0
Total | 6,326 |  | 6,887
Loans and Leases Held for Investment: | Multi-family | Non-accrual |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 0
Originated year two | 0 |  | 0
Originated year three | 0 |  | 113
Originated year four | 262 |  | 144
Originated year five | 339 |  | 274
Prior year | 1,760 |  | 1,224
Revolving Loans | 0 |  | 0
Revolving Loans Converted to Term Loans | 0 |  | 0
Total | 2,361 |  | 1,755
Loans and Leases Held for Investment: | Commercial real estate |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 128 |  | 544
Originated year two | 520 |  | 1,438
Originated year three | 1,390 |  | 2,096
Originated year four | 2,150 |  | 1,321
Originated year five | 1,242 |  | 848
Prior year | 4,171 |  | 3,376
Revolving Loans | 1,487 |  | 1,840
Revolving Loans Converted to Term Loans | 422 |  | 373
Total | 11,510 |  | 11,836
Year to date gross charge-offs |  |  |
Originated year one | 0 |  | 0
Originated year two | 0 |  | (8)
Originated year three | 0 |  | (81)
Originated year four | (1) |  | (1)
Originated year five | 0 |  | (27)
Prior year | (1) |  | (349)
Revolving Loans | 0 |  | 0
Revolving Loans Converted to Term Loans | 0 |  | 0
Total | (2) | (64) | (466)
Loans and Leases Held for Investment: | Commercial real estate | Pass |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 128 |  | 542
Originated year two | 514 |  | 1,298
Originated year three | 1,227 |  | 1,753
Originated year four | 1,843 |  | 1,106
Originated year five | 1,080 |  | 576
Prior year | 2,853 |  | 2,068
Revolving Loans | 1,313 |  | 1,597
Revolving Loans Converted to Term Loans | 151 |  | 367
Total | 9,109 |  | 9,307
Loans and Leases Held for Investment: | Commercial real estate | Special Mention |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 0
Originated year two | 0 |  | 72
Originated year three | 75 |  | 130
Originated year four | 133 |  | 69
Originated year five | 49 |  | 106
Prior year | 96 |  | 138
Revolving Loans | 76 |  | 120
Revolving Loans Converted to Term Loans | 58 |  | 0
Total | 487 |  | 635
Loans and Leases Held for Investment: | Commercial real estate | Substandard |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 2
Originated year two | 6 |  | 31
Originated year three | 48 |  | 179
Originated year four | 136 |  | 110
Originated year five | 85 |  | 162
Prior year | 743 |  | 723
Revolving Loans | 96 |  | 117
Revolving Loans Converted to Term Loans | 211 |  | 6
Total | 1,325 |  | 1,330
Loans and Leases Held for Investment: | Commercial real estate | Non-accrual |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 0
Originated year two | 0 |  | 37
Originated year three | 40 |  | 34
Originated year four | 38 |  | 36
Originated year five | 28 |  | 4
Prior year | 479 |  | 447
Revolving Loans | 2 |  | 6
Revolving Loans Converted to Term Loans | 2 |  | 0
Total | 589 |  | 564
Loans and Leases Held for Investment: | One-to-four family first mortgage |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 86 |  | 251
Originated year two | 343 |  | 527
Originated year three | 462 |  | 2,455
Originated year four | 2,343 |  | 871
Originated year five | 828 |  | 201
Prior year | 1,039 |  | 809
Revolving Loans | 83 |  | 85
Revolving Loans Converted to Term Loans | 3 |  | 2
Total | 5,187 |  | 5,201
Year to date gross charge-offs |  |  |
Originated year one | 0 |  | 0
Originated year two | 0 |  | 0
Originated year three | 0 |  | (1)
Originated year four | (1) |  | 0
Originated year five | 0 |  | 0
Prior year | 0 |  | (7)
Revolving Loans | 0 |  | 0
Revolving Loans Converted to Term Loans | 0 |  | 0
Total | (1) | 0 | (8)
Loans and Leases Held for Investment: | One-to-four family first mortgage | Pass |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 86 |  | 250
Originated year two | 340 |  | 521
Originated year three | 453 |  | 2,431
Originated year four | 2,313 |  | 859
Originated year five | 814 |  | 178
Prior year | 810 |  | 609
Revolving Loans | 81 |  | 80
Revolving Loans Converted to Term Loans | 3 |  | 2
Total | 4,900 |  | 4,930
Loans and Leases Held for Investment: | One-to-four family first mortgage | Substandard |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 1
Originated year two | 1 |  | 2
Originated year three | 3 |  | 8
Originated year four | 11 |  | 2
Originated year five | 2 |  | 16
Prior year | 193 |  | 172
Revolving Loans | 0 |  | 0
Revolving Loans Converted to Term Loans | 0 |  | 0
Total | 210 |  | 201
Loans and Leases Held for Investment: | One-to-four family first mortgage | Non-accrual |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 0
Originated year two | 2 |  | 4
Originated year three | 6 |  | 16
Originated year four | 19 |  | 10
Originated year five | 12 |  | 7
Prior year | 36 |  | 28
Revolving Loans | 2 |  | 5
Revolving Loans Converted to Term Loans | 0 |  | 0
Total | 77 |  | 70
Loans and Leases Held for Investment: | Commercial and industrial |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 451 |  | 1,300
Originated year two | 1,321 |  | 2,693
Originated year three | 2,643 |  | 2,264
Originated year four | 2,330 |  | 736
Originated year five | 807 |  | 467
Prior year | 1,321 |  | 798
Revolving Loans | 5,516 |  | 5,940
Revolving Loans Converted to Term Loans | 353 |  | 1,178
Total | 14,742 |  | 15,376
Year to date gross charge-offs |  |  |
Originated year one | (8) |  | (3)
Originated year two | 0 |  | (20)
Originated year three | (10) |  | (40)
Originated year four | (12) |  | (20)
Originated year five | (3) |  | (19)
Prior year | (1) |  | (34)
Revolving Loans | 0 |  | 0
Revolving Loans Converted to Term Loans | 0 |  | 0
Total | (34) |  | (136)
Loans and Leases Held for Investment: | Commercial and industrial | Pass |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 448 |  | 1,267
Originated year two | 1,281 |  | 2,609
Originated year three | 2,537 |  | 2,014
Originated year four | 2,096 |  | 651
Originated year five | 739 |  | 450
Prior year | 1,238 |  | 759
Revolving Loans | 5,138 |  | 5,554
Revolving Loans Converted to Term Loans | 329 |  | 1,164
Total | 13,806 |  | 14,468
Loans and Leases Held for Investment: | Commercial and industrial | Special Mention |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 2 |  | 17
Originated year two | 21 |  | 29
Originated year three | 35 |  | 18
Originated year four | 24 |  | 4
Originated year five | 9 |  | 2
Prior year | 4 |  | 11
Revolving Loans | 167 |  | 119
Revolving Loans Converted to Term Loans | 10 |  | 6
Total | 272 |  | 206
Loans and Leases Held for Investment: | Commercial and industrial | Substandard |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 1 |  | 13
Originated year two | 17 |  | 50
Originated year three | 45 |  | 72
Originated year four | 53 |  | 72
Originated year five | 50 |  | 7
Prior year | 56 |  | 13
Revolving Loans | 202 |  | 265
Revolving Loans Converted to Term Loans | 9 |  | 8
Total | 433 |  | 500
Loans and Leases Held for Investment: | Commercial and industrial | Non-accrual |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 3
Originated year two | 2 |  | 5
Originated year three | 26 |  | 160
Originated year four | 157 |  | 9
Originated year five | 9 |  | 8
Prior year | 23 |  | 15
Revolving Loans | 9 |  | 2
Revolving Loans Converted to Term Loans | 5 |  | 0
Total | 231 |  | 202
Other loans held for investment |  |  |
Year to date gross charge-offs |  |  |
Total | (7) | (5) |
Other loans held for investment | Commercial and industrial |  |  |
Amortized Cost Basis by Closing Year |  |  |
Total | 12,685 |  | 13,260
Year to date gross charge-offs |  |  |
Total | (34) | $ (11) |
Other loans held for investment | Other |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 25 |  | 100
Originated year two | 36 |  | 29
Originated year three | 35 |  | 12
Originated year four | 23 |  | 4
Originated year five | 5 |  | 2
Prior year | 45 |  | 37
Revolving Loans | 1,416 |  | 1,461
Revolving Loans Converted to Term Loans | 131 |  | 121
Total | 1,716 |  | 1,766
Year to date gross charge-offs |  |  |
Originated year one | (2) |  | (2)
Originated year two | 0 |  | (4)
Originated year three | (1) |  | (4)
Originated year four | (2) |  | (1)
Originated year five | 0 |  | (1)
Prior year | (2) |  | (8)
Revolving Loans | 0 |  | 0
Revolving Loans Converted to Term Loans | 0 |  | 0
Total | (7) |  | (20)
Other loans held for investment | Other | Pass |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 25 |  | 100
Originated year two | 36 |  | 29
Originated year three | 32 |  | 12
Originated year four | 23 |  | 4
Originated year five | 5 |  | 2
Prior year | 41 |  | 32
Revolving Loans | 1,402 |  | 1,441
Revolving Loans Converted to Term Loans | 127 |  | 121
Total | 1,691 |  | 1,741
Other loans held for investment | Other | Special Mention |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 0
Originated year two | 0 |  | 0
Originated year three | 2 |  | 0
Originated year four | 0 |  | 0
Originated year five | 0 |  | 0
Prior year | 0 |  | 0
Revolving Loans | 0 |  | 1
Revolving Loans Converted to Term Loans | 0 |  | 0
Total | 2 |  | 1
Other loans held for investment | Other | Substandard |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  |
Originated year two | 0 |  |
Originated year three | 1 |  |
Originated year four | 0 |  |
Originated year five | 0 |  |
Prior year | 0 |  |
Revolving Loans | 0 |  |
Revolving Loans Converted to Term Loans | 0 |  |
Total | 1 |  |
Other loans held for investment | Other | Non-accrual |  |  |
Amortized Cost Basis by Closing Year |  |  |
Originated year one | 0 |  | 0
Originated year two | 0 |  | 0
Originated year three | 0 |  | 0
Originated year four | 0 |  | 0
Originated year five | 0 |  | 0
Prior year | 4 |  | 5
Revolving Loans | 14 |  | 19
Revolving Loans Converted to Term Loans | 4 |  | 0
Total | $ 22 |  | $ 24

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