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Loans and allowance for loan losses - Summary of loans in Accrual and Nonaccrual Status (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | $ 18,344 |  | $ 18,344 |  | $ 19,234
Year two |  | 15,460 |  | 15,460 |  | 15,083
Year three |  | 12,360 |  | 12,360 |  | 17,786
Year four |  | 15,149 |  | 15,149 |  | 11,704
Year five |  | 9,759 |  | 9,759 |  | 8,328
Prior |  | 30,693 |  | 30,693 |  | 28,783
Total | [1] | 136,974 |  | 136,974 |  | 135,581
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 13 |  | 25 |  |
Year two |  | 36 |  | 70 |  |
Year three |  | 24 |  | 67 |  |
Year four |  | 30 |  | 72 |  |
Year five |  | 8 |  | 28 |  |
Prior |  | 20 |  | 96 |  |
Total |  | 190 | $ 154 | 506 | $ 497 |
Residential Real Estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Total |  | 1 | 1 | 4 | 4 |
Consumer |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Total |  | 78 | $ 65 | 237 | $ 181 |
Revolving Loans |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 33,680 |  | 33,680 |  | 33,120
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans |  | 58 |  | 145 |  |
Revolving Loans Converted to Term Loans |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 1,529 |  | 1,529 |  | 1,543
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 1 |  | 3 |  |
Residential | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 2,989 |  | 2,989 |  | 2,277
Year two |  | 1,941 |  | 1,941 |  | 1,372
Year three |  | 1,267 |  | 1,267 |  | 4,571
Year four |  | 4,405 |  | 4,405 |  | 3,628
Year five |  | 3,691 |  | 3,691 |  | 2,439
Prior |  | 10,249 |  | 10,249 |  | 8,773
Total |  | 24,662 |  | 24,662 |  | 23,166
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  |
Year two |  | 0 |  | 0 |  |
Year three |  | 0 |  | 0 |  |
Year four |  | 0 |  | 1 |  |
Year five |  | 0 |  | 0 |  |
Prior |  | 1 |  | 3 |  |
Total |  | 1 |  | 4 |  |
Residential | Revolving Loans | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 120 |  | 120 |  | 106
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  |
Residential | Revolving Loans Converted to Term Loans | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  |
Home equity lines and loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 2
Year five |  | 1 |  | 1 |  | 2
Prior |  | 84 |  | 84 |  | 95
Total |  | 4,730 |  | 4,730 |  | 4,592
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  |
Year two |  | 0 |  | 0 |  |
Year three |  | 0 |  | 0 |  |
Year four |  | 0 |  | 0 |  |
Year five |  | 0 |  | 0 |  |
Prior |  | 0 |  | 0 |  |
Total |  | 1 |  | 3 |  |
Home equity lines and loans | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 3,270 |  | 3,270 |  | 3,085
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  |
Home equity lines and loans | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 1,375 |  | 1,375 |  | 1,408
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 1 |  | 3 |  |
Recreational finance | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 3,604 |  | 3,604 |  | 3,934
Year two |  | 3,257 |  | 3,257 |  | 2,227
Year three |  | 1,859 |  | 1,859 |  | 2,065
Year four |  | 1,773 |  | 1,773 |  | 1,686
Year five |  | 1,436 |  | 1,436 |  | 1,119
Prior |  | 2,223 |  | 2,223 |  | 1,533
Total |  | 14,152 |  | 14,152 |  | 12,564
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 3 |  | 4 |  |
Year two |  | 7 |  | 18 |  |
Year three |  | 7 |  | 21 |  |
Year four |  | 6 |  | 19 |  |
Year five |  | 5 |  | 17 |  |
Prior |  | 8 |  | 30 |  |
Total |  | 36 |  | 109 |  |
Recreational finance | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  |
Recreational finance | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  |
Automobile | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 1,562 |  | 1,562 |  | 2,277
Year two |  | 1,885 |  | 1,885 |  | 790
Year three |  | 647 |  | 647 |  | 756
Year four |  | 559 |  | 559 |  | 646
Year five |  | 420 |  | 420 |  | 226
Prior |  | 150 |  | 150 |  | 99
Total |  | 5,223 |  | 5,223 |  | 4,794
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 2 |  | 2 |  |
Year two |  | 5 |  | 12 |  |
Year three |  | 3 |  | 8 |  |
Year four |  | 2 |  | 8 |  |
Year five |  | 1 |  | 4 |  |
Prior |  | 1 |  | 3 |  |
Total |  | 14 |  | 37 |  |
Automobile | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  |
Automobile | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  |
Other | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 274 |  | 274 |  | 265
Year two |  | 178 |  | 178 |  | 155
Year three |  | 106 |  | 106 |  | 104
Year four |  | 66 |  | 66 |  | 72
Year five |  | 50 |  | 50 |  | 16
Prior |  | 24 |  | 24 |  | 18
Total |  | 2,274 |  | 2,274 |  | 2,220
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 5 |  | 12 |  |
Year two |  | 3 |  | 11 |  |
Year three |  | 2 |  | 7 |  |
Year four |  | 1 |  | 3 |  |
Year five |  | 0 |  | 1 |  |
Prior |  | 0 |  | 1 |  |
Total |  | 27 |  | 88 |  |
Other | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 1,574 |  | 1,574 |  | 1,588
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans |  | 16 |  | 53 |  |
Other | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 2 |  | 2 |  | 2
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  |
Current | Residential | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 2,985 |  | 2,985 |  | 2,264
Year two |  | 1,927 |  | 1,927 |  | 1,354
Year three |  | 1,232 |  | 1,232 |  | 4,394
Year four |  | 4,206 |  | 4,206 |  | 3,488
Year five |  | 3,517 |  | 3,517 |  | 2,376
Prior |  | 9,409 |  | 9,409 |  | 7,874
Total |  | 23,395 |  | 23,395 |  | 21,853
Current | Residential | Revolving Loans | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 119 |  | 119 |  | 103
Current | Residential | Revolving Loans Converted to Term Loans | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Current | Home equity lines and loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 2
Year five |  | 1 |  | 1 |  | 2
Prior |  | 80 |  | 80 |  | 91
Total |  | 4,622 |  | 4,622 |  | 4,482
Current | Home equity lines and loans | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 3,269 |  | 3,269 |  | 3,085
Current | Home equity lines and loans | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 1,272 |  | 1,272 |  | 1,302
Current | Recreational finance | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 3,597 |  | 3,597 |  | 3,918
Year two |  | 3,236 |  | 3,236 |  | 2,203
Year three |  | 1,836 |  | 1,836 |  | 2,044
Year four |  | 1,753 |  | 1,753 |  | 1,661
Year five |  | 1,419 |  | 1,419 |  | 1,100
Prior |  | 2,191 |  | 2,191 |  | 1,503
Total |  | 14,032 |  | 14,032 |  | 12,429
Current | Recreational finance | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
Current | Recreational finance | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Current | Automobile | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 1,555 |  | 1,555 |  | 2,264
Year two |  | 1,868 |  | 1,868 |  | 775
Year three |  | 633 |  | 633 |  | 740
Year four |  | 547 |  | 547 |  | 632
Year five |  | 409 |  | 409 |  | 220
Prior |  | 145 |  | 145 |  | 93
Total |  | 5,157 |  | 5,157 |  | 4,724
Current | Automobile | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
Current | Automobile | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Current | Other | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 270 |  | 270 |  | 259
Year two |  | 176 |  | 176 |  | 152
Year three |  | 103 |  | 103 |  | 102
Year four |  | 65 |  | 65 |  | 71
Year five |  | 50 |  | 50 |  | 16
Prior |  | 24 |  | 24 |  | 18
Total |  | 2,240 |  | 2,240 |  | 2,134
Current | Other | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 1,551 |  | 1,551 |  | 1,515
Current | Other | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 1 |  | 1 |  | 1
30-89 days past due | Residential | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 4 |  | 4 |  | 12
Year two |  | 8 |  | 8 |  | 9
Year three |  | 17 |  | 17 |  | 111
Year four |  | 107 |  | 107 |  | 77
Year five |  | 76 |  | 76 |  | 38
Prior |  | 403 |  | 403 |  | 472
Total |  | 615 |  | 615 |  | 719
30-89 days past due | Residential | Revolving Loans | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
30-89 days past due | Residential | Revolving Loans Converted to Term Loans | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
30-89 days past due | Home equity lines and loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 0
Year five |  | 0 |  | 0 |  | 0
Prior |  | 1 |  | 1 |  | 2
Total |  | 31 |  | 31 |  | 29
30-89 days past due | Home equity lines and loans | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
30-89 days past due | Home equity lines and loans | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 30 |  | 30 |  | 27
30-89 days past due | Recreational finance | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 5 |  | 5 |  | 13
Year two |  | 16 |  | 16 |  | 18
Year three |  | 17 |  | 17 |  | 15
Year four |  | 14 |  | 14 |  | 20
Year five |  | 13 |  | 13 |  | 15
Prior |  | 26 |  | 26 |  | 23
Total |  | 91 |  | 91 |  | 104
30-89 days past due | Recreational finance | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
30-89 days past due | Recreational finance | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
30-89 days past due | Automobile | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 6 |  | 6 |  | 11
Year two |  | 14 |  | 14 |  | 13
Year three |  | 13 |  | 13 |  | 13
Year four |  | 11 |  | 11 |  | 12
Year five |  | 8 |  | 8 |  | 5
Prior |  | 4 |  | 4 |  | 4
Total |  | 56 |  | 56 |  | 58
30-89 days past due | Automobile | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
30-89 days past due | Automobile | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
30-89 days past due | Other | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 2 |  | 2 |  | 4
Year two |  | 2 |  | 2 |  | 2
Year three |  | 2 |  | 2 |  | 1
Year four |  | 1 |  | 1 |  | 1
Year five |  | 0 |  | 0 |  | 0
Prior |  | 0 |  | 0 |  | 0
Total |  | 22 |  | 22 |  | 23
30-89 days past due | Other | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 14 |  | 14 |  | 14
30-89 days past due | Other | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 1 |  | 1 |  | 1
Accruing Loans Past Due 90 Days or More | Residential | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 1
Year two |  | 4 |  | 4 |  | 7
Year three |  | 13 |  | 13 |  | 39
Year four |  | 55 |  | 55 |  | 47
Year five |  | 80 |  | 80 |  | 20
Prior |  | 250 |  | 250 |  | 201
Total |  | 402 |  | 402 |  | 315
Accruing Loans Past Due 90 Days or More | Residential | Revolving Loans | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
Accruing Loans Past Due 90 Days or More | Residential | Revolving Loans Converted to Term Loans | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Accruing Loans Past Due 90 Days or More | Home equity lines and loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 0
Year five |  | 0 |  | 0 |  | 0
Prior |  | 0 |  | 0 |  | 0
Total |  | 0 |  | 0 |  | 0
Accruing Loans Past Due 90 Days or More | Home equity lines and loans | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
Accruing Loans Past Due 90 Days or More | Home equity lines and loans | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Accruing Loans Past Due 90 Days or More | Recreational finance | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 0
Year five |  | 0 |  | 0 |  | 0
Prior |  | 0 |  | 0 |  | 0
Total |  | 0 |  | 0 |  | 0
Accruing Loans Past Due 90 Days or More | Recreational finance | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
Accruing Loans Past Due 90 Days or More | Recreational finance | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Accruing Loans Past Due 90 Days or More | Automobile | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 0
Year five |  | 0 |  | 0 |  | 0
Prior |  | 0 |  | 0 |  | 0
Total |  | 0 |  | 0 |  | 0
Accruing Loans Past Due 90 Days or More | Automobile | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
Accruing Loans Past Due 90 Days or More | Automobile | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Accruing Loans Past Due 90 Days or More | Other | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 0
Year five |  | 0 |  | 0 |  | 0
Prior |  | 0 |  | 0 |  | 0
Total |  | 8 |  | 8 |  | 8
Accruing Loans Past Due 90 Days or More | Other | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 8 |  | 8 |  | 8
Accruing Loans Past Due 90 Days or More | Other | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Nonaccrual | Residential | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 2 |  | 2 |  | 2
Year three |  | 5 |  | 5 |  | 27
Year four |  | 37 |  | 37 |  | 16
Year five |  | 18 |  | 18 |  | 5
Prior |  | 187 |  | 187 |  | 226
Total |  | 250 |  | 250 |  | 279
Nonaccrual | Residential | Revolving Loans | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 1 |  | 1 |  | 3
Nonaccrual | Residential | Revolving Loans Converted to Term Loans | Residential Real Estate |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Nonaccrual | Home equity lines and loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 0
Year five |  | 0 |  | 0 |  | 0
Prior |  | 3 |  | 3 |  | 2
Total |  | 77 |  | 77 |  | 81
Nonaccrual | Home equity lines and loans | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 1 |  | 1 |  | 0
Nonaccrual | Home equity lines and loans | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 73 |  | 73 |  | 79
Nonaccrual | Recreational finance | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 2 |  | 2 |  | 3
Year two |  | 5 |  | 5 |  | 6
Year three |  | 6 |  | 6 |  | 6
Year four |  | 6 |  | 6 |  | 5
Year five |  | 4 |  | 4 |  | 4
Prior |  | 6 |  | 6 |  | 7
Total |  | 29 |  | 29 |  | 31
Nonaccrual | Recreational finance | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
Nonaccrual | Recreational finance | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Nonaccrual | Automobile | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 1 |  | 1 |  | 2
Year two |  | 3 |  | 3 |  | 2
Year three |  | 1 |  | 1 |  | 3
Year four |  | 1 |  | 1 |  | 2
Year five |  | 3 |  | 3 |  | 1
Prior |  | 1 |  | 1 |  | 2
Total |  | 10 |  | 10 |  | 12
Nonaccrual | Automobile | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 0 |  | 0 |  | 0
Nonaccrual | Automobile | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | 0 |  | 0 |  | 0
Nonaccrual | Other | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Year one |  | 2 |  | 2 |  | 2
Year two |  | 0 |  | 0 |  | 1
Year three |  | 1 |  | 1 |  | 1
Year four |  | 0 |  | 0 |  | 0
Year five |  | 0 |  | 0 |  | 0
Prior |  | 0 |  | 0 |  | 0
Total |  | 4 |  | 4 |  | 55
Nonaccrual | Other | Revolving Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans |  | 1 |  | 1 |  | 51
Nonaccrual | Other | Revolving Loans Converted to Term Loans | Consumer |  |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |  |
Revolving Loans Converted to Term Loans |  | $ 0 |  | $ 0 |  | $ 0
[1] | Loans of $2.3 billion and $1.5 billion at September 30, 2025 and December 31, 2024, respectively, were held in special purpose trusts to settle the respective obligations of asset-backed notes issued by those trusts. The outstanding balances of those asset-backed notes issued to third party investors were included in Long-term borrowings and were $1.9 billion at September 30, 2025 and $1.2 billion at December 31, 2024.

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