Loans and ACL - Loan Modifications (Details) - USD ($) $ in Millions |
3 Months Ended |
9 Months Ended |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 1,333
|
$ 1,490
|
$ 3,548
|
$ 3,532
|
| Percentage of Total Class of Financing Receivable |
0.41%
|
0.46%
|
1.10%
|
1.09%
|
| Renewals |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 564
|
$ 604
|
$ 1,593
|
$ 1,576
|
| Term Extensions |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
49
|
65
|
135
|
132
|
| Interest Rate Adjustments |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
7
|
8
|
22
|
24
|
| Capitalizations |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
12
|
31
|
51
|
90
|
| Payment Delays |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
440
|
641
|
1,222
|
1,351
|
| Combination - Capitalization and Term Extension |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
86
|
89
|
265
|
233
|
| Other |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
175
|
52
|
260
|
126
|
| Commercial: | Commercial and industrial |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 311
|
$ 335
|
$ 819
|
$ 916
|
| Percentage of Total Class of Financing Receivable |
0.19%
|
0.20%
|
0.49%
|
0.56%
|
| Commercial: | Commercial and industrial | Renewals |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 272
|
$ 307
|
$ 762
|
$ 822
|
| Term extension |
33 months
|
8 months
|
16 months
|
10 months
|
| Commercial: | Commercial and industrial | Term Extensions |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 13
|
$ 0
|
$ 13
|
| Term extension |
|
35 months
|
|
35 months
|
| Commercial: | Commercial and industrial | Interest Rate Adjustments |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
$ 0
|
0
|
$ 0
|
| Commercial: | Commercial and industrial | Capitalizations |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Commercial: | Commercial and industrial | Payment Delays |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
$ 0
|
$ 1
|
$ 47
|
| Term extension |
|
|
6 months
|
6 months
|
| Commercial: | Commercial and industrial | Combination - Capitalization and Term Extension |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
$ 0
|
$ 0
|
$ 0
|
| Commercial: | Commercial and industrial | Other |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
39
|
15
|
56
|
34
|
| Commercial: | CRE |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 240
|
$ 60
|
$ 609
|
$ 488
|
| Percentage of Total Class of Financing Receivable |
0.93%
|
0.27%
|
2.35%
|
2.18%
|
| Commercial: | CRE | Renewals |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 147
|
$ 60
|
$ 516
|
$ 488
|
| Term extension |
7 months
|
9 months
|
15 months
|
15 months
|
| Commercial: | CRE | Term Extensions |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Commercial: | CRE | Interest Rate Adjustments |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Commercial: | CRE | Capitalizations |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Commercial: | CRE | Payment Delays |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Commercial: | CRE | Combination - Capitalization and Term Extension |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Commercial: | CRE | Other |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
93
|
0
|
93
|
0
|
| Commercial: | Commercial construction |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 161
|
$ 237
|
$ 331
|
$ 266
|
| Percentage of Total Class of Financing Receivable |
2.16%
|
2.95%
|
4.44%
|
3.31%
|
| Commercial: | Commercial construction | Renewals |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 145
|
$ 237
|
$ 315
|
$ 266
|
| Term extension |
16 months
|
13 months
|
11 months
|
13 months
|
| Commercial: | Commercial construction | Term Extensions |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Commercial: | Commercial construction | Interest Rate Adjustments |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Commercial: | Commercial construction | Capitalizations |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Commercial: | Commercial construction | Payment Delays |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Commercial: | Commercial construction | Combination - Capitalization and Term Extension |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Commercial: | Commercial construction | Other |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
16
|
0
|
16
|
0
|
| Consumer: | Residential mortgage |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 188
|
$ 225
|
$ 553
|
$ 533
|
| Percentage of Total Class of Financing Receivable |
0.32%
|
0.39%
|
0.95%
|
0.92%
|
| Consumer: | Residential mortgage | Renewals |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Consumer: | Residential mortgage | Term Extensions |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 24
|
$ 27
|
$ 62
|
$ 59
|
| Term extension |
98 months
|
99 months
|
96 months
|
104 months
|
| Consumer: | Residential mortgage | Interest Rate Adjustments |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Consumer: | Residential mortgage | Capitalizations |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
12
|
31
|
51
|
90
|
| Consumer: | Residential mortgage | Payment Delays |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 45
|
$ 50
|
$ 107
|
$ 88
|
| Term extension |
7 months
|
7 months
|
8 months
|
7 months
|
| Consumer: | Residential mortgage | Combination - Capitalization and Term Extension |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 86
|
$ 89
|
$ 265
|
$ 233
|
| Term extension |
103 months
|
87 months
|
100 months
|
93 months
|
| Consumer: | Residential mortgage | Other |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 21
|
$ 28
|
$ 68
|
$ 63
|
| Consumer: | Home equity |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
|
$ 1
|
|
$ 4
|
| Percentage of Total Class of Financing Receivable |
|
0.01%
|
|
0.04%
|
| Consumer: | Home equity | Renewals |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
|
$ 0
|
|
$ 0
|
| Consumer: | Home equity | Term Extensions |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
|
0
|
|
0
|
| Consumer: | Home equity | Interest Rate Adjustments |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
|
0
|
|
0
|
| Consumer: | Home equity | Capitalizations |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
|
0
|
|
0
|
| Consumer: | Home equity | Payment Delays |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
|
0
|
|
0
|
| Consumer: | Home equity | Combination - Capitalization and Term Extension |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
|
0
|
|
0
|
| Consumer: | Home equity | Other |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
|
1
|
|
4
|
| Consumer: | Indirect auto |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 417
|
$ 614
|
$ 1,182
|
$ 1,270
|
| Percentage of Total Class of Financing Receivable |
2.44%
|
2.41%
|
6.92%
|
4.98%
|
| Consumer: | Indirect auto | Renewals |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Consumer: | Indirect auto | Term Extensions |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 16
|
$ 15
|
$ 44
|
$ 31
|
| Term extension |
28 months
|
29 months
|
29 months
|
28 months
|
| Consumer: | Indirect auto | Interest Rate Adjustments |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 0
|
$ 1
|
| Interest rate adjustment |
|
|
|
6.00%
|
| Consumer: | Indirect auto | Capitalizations |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
$ 0
|
| Consumer: | Indirect auto | Payment Delays |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 395
|
$ 591
|
$ 1,113
|
$ 1,215
|
| Term extension |
9 months
|
9 months
|
9 months
|
8 months
|
| Consumer: | Indirect auto | Combination - Capitalization and Term Extension |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Consumer: | Indirect auto | Other |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
6
|
8
|
25
|
23
|
| Consumer: | Other consumer |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 9
|
$ 10
|
$ 31
|
$ 32
|
| Percentage of Total Class of Financing Receivable |
0.03%
|
0.03%
|
0.09%
|
0.10%
|
| Consumer: | Other consumer | Renewals |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Consumer: | Other consumer | Term Extensions |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 9
|
$ 10
|
$ 29
|
$ 29
|
| Term extension |
29 months
|
36 months
|
31 months
|
31 months
|
| Consumer: | Other consumer | Interest Rate Adjustments |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Consumer: | Other consumer | Capitalizations |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Consumer: | Other consumer | Payment Delays |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
$ 1
|
1
|
| Term extension |
|
|
5 months
|
|
| Consumer: | Other consumer | Combination - Capitalization and Term Extension |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
$ 0
|
0
|
| Consumer: | Other consumer | Other |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
1
|
2
|
| Credit card |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 7
|
$ 8
|
$ 23
|
$ 23
|
| Percentage of Total Class of Financing Receivable |
0.15%
|
0.16%
|
0.48%
|
0.47%
|
| Credit card | Renewals |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Credit card | Term Extensions |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Credit card | Interest Rate Adjustments |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 7
|
$ 8
|
$ 22
|
$ 23
|
| Interest rate adjustment |
(17.00%)
|
(18.00%)
|
(17.00%)
|
17.00%
|
| Credit card | Capitalizations |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Credit card | Payment Delays |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Credit card | Combination - Capitalization and Term Extension |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
0
|
0
|
0
|
0
|
| Credit card | Other |
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
| Total Modified Loans |
$ 0
|
$ 0
|
$ 1
|
$ 0
|