v3.26.1
Business Segment Information - Schedule of Amounts of Consolidated Revenue, Expense, Tax and Assets by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]            
Interest income $ 1,030   $ 1,044   $ 2,035 $ 2,058
Interest expense 354   403   691 786
Funds transfer pricing 0   0   0 0
Net interest income 676   641   1,344 1,272
Noninterest income 211   189   405 370
Total revenues 887   830   1,749 1,642
Noninterest expense 532   491   1,036 978
Pre-provision net revenue 355   339   713 664
Provision (benefit) for credit losses 15   30   30 70
Income before income taxes 340   309   683 594
Income tax expense (benefit) 66   64   142 127
Net income 274 $ 266 245 $ 222 541 467
Average assets 84,097   81,958   83,574 81,464
Depreciation and amortization 20   20   41 41
Expenditures for long-lived assets 19   7   28 16
Commercial, Consumer & Wealth            
Disaggregation of Revenue [Line Items]            
Interest income 807   826   1,594 1,639
Interest expense 230   295   461 585
Funds transfer pricing 77   112   171 222
Net interest income 654   643   1,304 1,276
Noninterest income 123   113   242 223
Total revenues 777   756   1,546 1,499
Noninterest expense 376   355   744 699
Pre-provision net revenue 401   401   802 800
Provision (benefit) for credit losses 1   13   9 51
Income before income taxes 400   388   793 749
Income tax expense (benefit) 96   92   190 178
Net income 304   296   603 571
Average assets 59,991   58,737   59,496 58,727
Depreciation and amortization 10   7   22 17
Expenditures for long-lived assets 7   5   14 10
Wholesale            
Disaggregation of Revenue [Line Items]            
Interest income 148   140   285 264
Interest expense 23   26   48 55
Funds transfer pricing (58)   (56)   (108) (102)
Net interest income 67   58   129 107
Noninterest income 58   53   122 113
Total revenues 125   111   251 220
Noninterest expense 79   75   162 150
Pre-provision net revenue 46   36   89 70
Provision (benefit) for credit losses 23   6   32 9
Income before income taxes 23   30   57 61
Income tax expense (benefit) 5   7   13 15
Net income 18   23   44 46
Average assets 10,544   9,308   10,304 8,903
Depreciation and amortization 1   2   2 4
Expenditures for long-lived assets 0   0   0 1
Corporate            
Disaggregation of Revenue [Line Items]            
Interest income 75   78   156 155
Interest expense 101   82   182 146
Funds transfer pricing (19)   (56)   (63) (120)
Net interest income (45)   (60)   (89) (111)
Noninterest income 30   23   41 34
Total revenues (15)   (37)   (48) (77)
Noninterest expense 77   61   130 129
Pre-provision net revenue (92)   (98)   (178) (206)
Provision (benefit) for credit losses (9)   11   (11) 10
Income before income taxes (83)   (109)   (167) (216)
Income tax expense (benefit) (35)   (35)   (61) (66)
Net income (48)   (74)   (106) (150)
Average assets 13,562   13,913   13,774 13,834
Depreciation and amortization 9   11   17 20
Expenditures for long-lived assets 12   2   14 5
FDIC special assessment (credit) fee     (1)      
Accrual release in deferred compensation fee (credit)     $ 4     (4)
Corporate | Visa Class B Shares            
Disaggregation of Revenue [Line Items]            
Derivative valuation adjustment prior sales of Visa Class B shares $ 5       $ 5 $ 5