v3.25.2
Fair Value Measurements - Assets and Liabilities Recorded at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Netting, Assets $ (13,899) $ (15,345)
Fair Value [1] 29,039 24,937
Netting Liabilities (13,899) (15,345)
Trading assets [1] 20,905 21,231
Trading liabilities [1] 2,942 3,907
Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 3,986 3,521
Trading assets 936 783
Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading assets 12,402 13,844
Precious metals trading    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading assets 473 163
Trading liabilities 0 70
Home equity mortgages    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 9 10
Corporate loans    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 129  
Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 83 87
Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading liabilities 1,480 2,348
Derivative assets    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading assets 1,930 1,598
Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 66,318 65,274
Netting, Assets (15,509) (18,270)
Net Balance, Assets 50,809 47,004
Gross Balance, Liabilities 32,400 32,544
Netting Liabilities (15,956) (16,636)
Net Balance, Liabilities 16,444 15,908
Fair Value, Recurring | U.S. Treasury, U.S. Government agencies and sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 24,832 21,319
Fair Value, Recurring | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 3,986 3,521
Fair Value, Recurring | Home equity mortgages    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 9 10
Fair Value, Recurring | Corporate loans    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 129  
Fair Value, Recurring | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 83 87
Fair Value, Recurring | Domestic Deposits | Domestic deposits    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 4,981 3,956
Net Balance, Liabilities 4,981 3,956
Fair Value, Recurring | Trading liabilities, excluding derivatives    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,462 1,559
Net Balance, Liabilities 1,462 1,559
Fair Value, Recurring | Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 17,676 19,118
Netting Liabilities (15,956) (16,636)
Net Balance, Liabilities 1,720 2,482
Fair Value, Recurring | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 644 732
Netting Liabilities 0 0
Net Balance, Liabilities 644 732
Fair Value, Recurring | Derivatives liability | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 13,729 16,241
Netting Liabilities 0 0
Net Balance, Liabilities 13,729 16,241
Fair Value, Recurring | Derivatives liability | Equity contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,331 823
Netting Liabilities 0 0
Net Balance, Liabilities 1,331 823
Fair Value, Recurring | Derivatives liability | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,633 1,092
Netting Liabilities 0 0
Net Balance, Liabilities 1,633 1,092
Fair Value, Recurring | Derivatives liability | Credit contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 317 199
Netting Liabilities 0 0
Net Balance, Liabilities 317 199
Fair Value, Recurring | Derivatives liability | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 22 31
Netting Liabilities 0 0
Net Balance, Liabilities 22 31
Fair Value, Recurring | Derivatives liability | Derivatives netting    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Netting Liabilities (15,956) (16,636)
Net Balance, Liabilities (15,956) (16,636)
Fair Value, Recurring | Long-term debt | Long-term debt    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 8,164 7,895
Net Balance, Liabilities 8,164 7,895
Fair Value, Recurring | Other liabilities | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 117 16
Net Balance, Liabilities 117 16
Fair Value, Recurring | Trading assets, excluding derivatives | U.S. Treasury, U.S. Government agencies and sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 5,164 4,843
Net Balance, Assets 5,164 4,843
Fair Value, Recurring | Trading assets, excluding derivatives | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 936 783
Net Balance, Assets 936 783
Fair Value, Recurring | Trading assets, excluding derivatives | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 12,402 13,844
Net Balance, Assets 12,402 13,844
Fair Value, Recurring | Trading assets, excluding derivatives | Precious metals trading    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 473 163
Net Balance, Assets 473 163
Fair Value, Recurring | Derivative assets    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 17,502 20,025
Netting, Assets (15,509) (18,270)
Net Balance, Assets 1,993 1,755
Fair Value, Recurring | Derivative assets | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 876 1,122
Netting, Assets 0 0
Net Balance, Assets 876 1,122
Fair Value, Recurring | Derivative assets | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 13,771 16,391
Netting, Assets 0 0
Net Balance, Assets 13,771 16,391
Fair Value, Recurring | Derivative assets | Equity contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 969 1,016
Netting, Assets 0 0
Net Balance, Assets 969 1,016
Fair Value, Recurring | Derivative assets | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,611 1,220
Netting, Assets 0 0
Net Balance, Assets 1,611 1,220
Fair Value, Recurring | Derivative assets | Credit contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 271 271
Netting, Assets 0 0
Net Balance, Assets 271 271
Fair Value, Recurring | Derivative assets | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 4 5
Netting, Assets 0 0
Net Balance, Assets 4 5
Fair Value, Recurring | Derivative assets | Derivatives netting    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Netting, Assets (15,509) (18,270)
Net Balance, Assets (15,509) (18,270)
Fair Value, Recurring | Loans | Loans    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 9 11
Net Balance, Assets 9 11
Fair Value, Recurring | Loans | Loans held for sale    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 419 395
Net Balance, Assets 419 395
Fair Value, Recurring | Other assets | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 128 126
Net Balance, Assets 128 126
Fair Value, Recurring | Other assets | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 117 16
Net Balance, Assets 117 16
Fair Value, Recurring | Other assets | Mortgage servicing rights    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 7 7
Net Balance, Assets 7 7
Fair Value, Recurring | Other assets | Equity securities measured at net asset value    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 122 124
Net Balance, Assets 122 124
Fair Value, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 34,366 32,542
Gross Balance, Liabilities 1,467 1,491
Fair Value, Recurring | Level 1 | U.S. Treasury, U.S. Government agencies and sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 13,746 10,716
Fair Value, Recurring | Level 1 | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 3,480 3,521
Fair Value, Recurring | Level 1 | Home equity mortgages    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 0 0
Fair Value, Recurring | Level 1 | Corporate loans    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 0  
Fair Value, Recurring | Level 1 | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 0 0
Fair Value, Recurring | Level 1 | Domestic Deposits | Domestic deposits    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 1 | Trading liabilities, excluding derivatives    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,462 1,489
Fair Value, Recurring | Level 1 | Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 5 2
Fair Value, Recurring | Level 1 | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 4 2
Fair Value, Recurring | Level 1 | Derivatives liability | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 1 | Derivatives liability | Equity contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 1 | Derivatives liability | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1 0
Fair Value, Recurring | Level 1 | Derivatives liability | Credit contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 1 | Derivatives liability | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 1 | Derivatives liability | Derivatives netting    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 1 | Long-term debt | Long-term debt    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 1 | Other liabilities | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 1 | Trading assets, excluding derivatives | U.S. Treasury, U.S. Government agencies and sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 3,945 3,676
Fair Value, Recurring | Level 1 | Trading assets, excluding derivatives | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 791 783
Fair Value, Recurring | Level 1 | Trading assets, excluding derivatives | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 12,402 13,844
Fair Value, Recurring | Level 1 | Trading assets, excluding derivatives | Precious metals trading    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Derivative assets    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 2 2
Fair Value, Recurring | Level 1 | Derivative assets | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 2 2
Fair Value, Recurring | Level 1 | Derivative assets | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Derivative assets | Equity contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Derivative assets | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Derivative assets | Credit contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Derivative assets | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Derivative assets | Derivatives netting    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Loans | Loans    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Loans | Loans held for sale    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Other assets | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Other assets | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Other assets | Mortgage servicing rights    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Other assets | Equity securities measured at net asset value    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 31,531 32,292
Gross Balance, Liabilities 28,138 28,503
Fair Value, Recurring | Level 2 | U.S. Treasury, U.S. Government agencies and sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 11,086 10,603
Fair Value, Recurring | Level 2 | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 506 0
Fair Value, Recurring | Level 2 | Home equity mortgages    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 0 0
Fair Value, Recurring | Level 2 | Corporate loans    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 129  
Fair Value, Recurring | Level 2 | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 0 0
Fair Value, Recurring | Level 2 | Domestic Deposits | Domestic deposits    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 4,561 3,665
Fair Value, Recurring | Level 2 | Trading liabilities, excluding derivatives    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 70
Fair Value, Recurring | Level 2 | Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 17,491 19,010
Fair Value, Recurring | Level 2 | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 638 725
Fair Value, Recurring | Level 2 | Derivatives liability | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 13,704 16,236
Fair Value, Recurring | Level 2 | Derivatives liability | Equity contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,201 759
Fair Value, Recurring | Level 2 | Derivatives liability | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,632 1,092
Fair Value, Recurring | Level 2 | Derivatives liability | Credit contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 316 198
Fair Value, Recurring | Level 2 | Derivatives liability | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 2 | Derivatives liability | Derivatives netting    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 2 | Long-term debt | Long-term debt    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 5,969 5,742
Fair Value, Recurring | Level 2 | Other liabilities | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 117 16
Fair Value, Recurring | Level 2 | Trading assets, excluding derivatives | U.S. Treasury, U.S. Government agencies and sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,219 1,167
Fair Value, Recurring | Level 2 | Trading assets, excluding derivatives | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 145 0
Fair Value, Recurring | Level 2 | Trading assets, excluding derivatives | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 2 | Trading assets, excluding derivatives | Precious metals trading    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 473 163
Fair Value, Recurring | Level 2 | Derivative assets    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 17,353 19,965
Fair Value, Recurring | Level 2 | Derivative assets | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 873 1,118
Fair Value, Recurring | Level 2 | Derivative assets | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 13,747 16,386
Fair Value, Recurring | Level 2 | Derivative assets | Equity contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 851 970
Fair Value, Recurring | Level 2 | Derivative assets | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,611 1,220
Fair Value, Recurring | Level 2 | Derivative assets | Credit contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 271 271
Fair Value, Recurring | Level 2 | Derivative assets | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 2 | Derivative assets | Derivatives netting    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 2 | Loans | Loans    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 9 11
Fair Value, Recurring | Level 2 | Loans | Loans held for sale    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 366 241
Fair Value, Recurring | Level 2 | Other assets | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 128 126
Fair Value, Recurring | Level 2 | Other assets | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 117 16
Fair Value, Recurring | Level 2 | Other assets | Mortgage servicing rights    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 2 | Other assets | Equity securities measured at net asset value    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 299 316
Gross Balance, Liabilities 2,795 2,550
Fair Value, Recurring | Level 3 | U.S. Treasury, U.S. Government agencies and sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 0 0
Fair Value, Recurring | Level 3 | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 0 0
Fair Value, Recurring | Level 3 | Home equity mortgages    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 9 10
Fair Value, Recurring | Level 3 | Corporate loans    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 0  
Fair Value, Recurring | Level 3 | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 83 87
Fair Value, Recurring | Level 3 | Domestic Deposits | Domestic deposits    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 420 291
Fair Value, Recurring | Level 3 | Trading liabilities, excluding derivatives    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 3 | Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 180 106
Fair Value, Recurring | Level 3 | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 2 5
Fair Value, Recurring | Level 3 | Derivatives liability | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 25 5
Fair Value, Recurring | Level 3 | Derivatives liability | Equity contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 130 64
Fair Value, Recurring | Level 3 | Derivatives liability | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 3 | Derivatives liability | Credit contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1 1
Fair Value, Recurring | Level 3 | Derivatives liability | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 22 31
Fair Value, Recurring | Level 3 | Derivatives liability | Derivatives netting    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 3 | Long-term debt | Long-term debt    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 2,195 2,153
Fair Value, Recurring | Level 3 | Other liabilities | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 0
Fair Value, Recurring | Level 3 | Trading assets, excluding derivatives | U.S. Treasury, U.S. Government agencies and sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 3 | Trading assets, excluding derivatives | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 3 | Trading assets, excluding derivatives | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 3 | Trading assets, excluding derivatives | Precious metals trading    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 3 | Derivative assets    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 147 58
Fair Value, Recurring | Level 3 | Derivative assets | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1 2
Fair Value, Recurring | Level 3 | Derivative assets | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 24 5
Fair Value, Recurring | Level 3 | Derivative assets | Equity contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 118 46
Fair Value, Recurring | Level 3 | Derivative assets | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 3 | Derivative assets | Credit contracts - bilateral OTC(2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 3 | Derivative assets | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 4 5
Fair Value, Recurring | Level 3 | Derivative assets | Derivatives netting    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 3 | Loans | Loans    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 3 | Loans | Loans held for sale    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 53 154
Fair Value, Recurring | Level 3 | Other assets | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 3 | Other assets | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 3 | Other assets | Mortgage servicing rights    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 7 7
Fair Value, Recurring | Level 3 | Other assets | Equity securities measured at net asset value    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets $ 0 $ 0
[1] The following table summarizes assets and liabilities related to our consolidated variable interest entities ("VIEs") at June 30, 2025 and December 31, 2024. Assets and liabilities exclude intercompany balances that eliminate in consolidation. See Note 15, "Variable Interest Entities," for additional information.
June 30, 2025December 31, 2024
(in millions)
Assets
Other assets$7 $11 
Total assets$7 $11 
Liabilities
Interest, taxes and other liabilities$15 $
Total liabilities$15 $