v3.26.1
Loans and Related Allowance for Credit Losses (Analysis of Loan Portfolio) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Past Due [Line Items]    
Total loans [1] $ 360,923 $ 331,481
Percentage of total loans, past due 100.00% 100.00%
Accrued interest on loan portfolio $ 1,400 $ 1,300
Unearned income, unamortized deferred fees and costs on originated loans, and premiums or discounts on purchased loans 1,700 1,100
Collateral Dependent    
Financing Receivable, Past Due [Line Items]    
Total loans 1,500 1,500
Current or Less Than 30 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans $ 356,898 $ 327,583
Percentage of total loans, past due 98.88% 98.82%
30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans $ 863 $ 660
Percentage of total loans, past due 0.24% 0.20%
60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans $ 273 $ 403
Percentage of total loans, past due 0.08% 0.12%
90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans $ 422 $ 380
Percentage of total loans, past due 0.12% 0.11%
Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans $ 1,558 $ 1,443
Percentage of total loans, past due 0.43% 0.44%
Nonperforming Loans    
Financing Receivable, Past Due [Line Items]    
Total loans $ 2,243 $ 2,218
Percentage of total loans, past due 0.62% 0.67%
Fair Value Option Nonaccrual Loans    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans $ 224 $ 237
Percentage of total loans, nonaccrual, past due 0.06% 0.07%
Total commercial lending    
Financing Receivable, Past Due [Line Items]    
Total loans $ 255,960 $ 232,463
Total commercial lending | Current or Less Than 30 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 254,071 230,651
Total commercial lending | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 373 196
Total commercial lending | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 67 201
Total commercial lending | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 69 57
Total commercial lending | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 509 454
Total commercial lending | Nonperforming Loans    
Financing Receivable, Past Due [Line Items]    
Total loans 1,380 1,358
Total commercial lending | Fair Value Option Nonaccrual Loans    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 0 0
Total consumer lending    
Financing Receivable, Past Due [Line Items]    
Total loans 104,963 99,018
Total consumer lending | Current or Less Than 30 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 102,827 96,932
Total consumer lending | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 490 464
Total consumer lending | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 206 202
Total consumer lending | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 353 323
Total consumer lending | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 1,049 989
Total consumer lending | Nonperforming Loans    
Financing Receivable, Past Due [Line Items]    
Total loans 863 860
Total consumer lending | Fair Value Option Nonaccrual Loans    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 224 237
Commercial and industrial | Total commercial lending    
Financing Receivable, Past Due [Line Items]    
Total loans 221,190 202,898
Commercial and industrial | Total commercial lending | Current or Less Than 30 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 220,039 201,772
Commercial and industrial | Total commercial lending | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 283 182
Commercial and industrial | Total commercial lending | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 50 103
Commercial and industrial | Total commercial lending | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 68 57
Commercial and industrial | Total commercial lending | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 401 342
Commercial and industrial | Total commercial lending | Nonperforming Loans    
Financing Receivable, Past Due [Line Items]    
Total loans 750 784
Commercial and industrial | Total commercial lending | Fair Value Option Nonaccrual Loans    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 0 0
Commercial real estate | Total commercial lending    
Financing Receivable, Past Due [Line Items]    
Total loans 34,770 29,565
Commercial real estate | Total commercial lending | Current or Less Than 30 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 34,032 28,879
Commercial real estate | Total commercial lending | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 90 14
Commercial real estate | Total commercial lending | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 17 98
Commercial real estate | Total commercial lending | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 1 0
Commercial real estate | Total commercial lending | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 108 112
Commercial real estate | Total commercial lending | Nonperforming Loans    
Financing Receivable, Past Due [Line Items]    
Total loans 630 574
Commercial real estate | Total commercial lending | Fair Value Option Nonaccrual Loans    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 0 0
Residential real estate    
Financing Receivable, Past Due [Line Items]    
Total loans 49,567 43,760
Residential real estate | Government insured or guaranteed loans    
Financing Receivable, Past Due [Line Items]    
Total loans 647 626
Residential real estate | Total consumer lending    
Financing Receivable, Past Due [Line Items]    
Total loans 49,567 43,760
Residential real estate | Total consumer lending | Current or Less Than 30 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 48,424 42,687
Residential real estate | Total consumer lending | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 284 243
Residential real estate | Total consumer lending | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 110 101
Residential real estate | Total consumer lending | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 245 209
Residential real estate | Total consumer lending | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 639 553
Residential real estate | Total consumer lending | Total Past Due | Government insured or guaranteed loans    
Financing Receivable, Past Due [Line Items]    
Total loans 300 300
Residential real estate | Total consumer lending | Nonperforming Loans    
Financing Receivable, Past Due [Line Items]    
Total loans 316 320
Residential real estate | Total consumer lending | Fair Value Option Nonaccrual Loans    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 188 200
Home equity    
Financing Receivable, Past Due [Line Items]    
Total loans 26,223 25,941
Home equity | Total consumer lending    
Financing Receivable, Past Due [Line Items]    
Total loans 26,223 25,941
Home equity | Total consumer lending | Current or Less Than 30 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 25,635 25,365
Home equity | Total consumer lending | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 73 70
Home equity | Total consumer lending | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 32 30
Home equity | Total consumer lending | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 0 0
Home equity | Total consumer lending | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 105 100
Home equity | Total consumer lending | Nonperforming Loans    
Financing Receivable, Past Due [Line Items]    
Total loans 447 439
Home equity | Total consumer lending | Fair Value Option Nonaccrual Loans    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 36 37
Automobile | Total consumer lending    
Financing Receivable, Past Due [Line Items]    
Total loans 16,325 16,591
Automobile | Total consumer lending | Current or Less Than 30 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 16,161 16,411
Automobile | Total consumer lending | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 59 74
Automobile | Total consumer lending | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 15 18
Automobile | Total consumer lending | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 5 5
Automobile | Total consumer lending | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 79 97
Automobile | Total consumer lending | Nonperforming Loans    
Financing Receivable, Past Due [Line Items]    
Total loans 85 83
Automobile | Total consumer lending | Fair Value Option Nonaccrual Loans    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 0 0
Credit card | Total consumer lending    
Financing Receivable, Past Due [Line Items]    
Total loans 7,069 7,014
Credit card | Total consumer lending | Current or Less Than 30 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 6,921 6,859
Credit card | Total consumer lending | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 41 45
Credit card | Total consumer lending | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 31 32
Credit card | Total consumer lending | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 64 65
Credit card | Total consumer lending | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 136 142
Credit card | Total consumer lending | Nonperforming Loans    
Financing Receivable, Past Due [Line Items]    
Total loans 12 13
Credit card | Total consumer lending | Fair Value Option Nonaccrual Loans    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans 0 0
Other consumer    
Financing Receivable, Past Due [Line Items]    
Total loans 5,779 5,712
Other consumer | Total consumer lending    
Financing Receivable, Past Due [Line Items]    
Total loans 5,779 5,712
Other consumer | Total consumer lending | Current or Less Than 30 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 5,686 5,610
Other consumer | Total consumer lending | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 33 32
Other consumer | Total consumer lending | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 18 21
Other consumer | Total consumer lending | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 39 44
Other consumer | Total consumer lending | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 90 97
Other consumer | Total consumer lending | Nonperforming Loans    
Financing Receivable, Past Due [Line Items]    
Total loans 3 5
Other consumer | Total consumer lending | Fair Value Option Nonaccrual Loans    
Financing Receivable, Past Due [Line Items]    
Nonaccrual loans $ 0 $ 0
[1] Our consolidated assets included the following for which we have elected the fair value option: Loans held for sale of $1.2 billion, Loans held for investment of $1.1 billion and Other assets of $0.1 billion at March 31, 2026. Comparable amounts at December 31, 2025 were $1.7 billion, $1.1 billion and $0.2 billion, respectively.