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Fair Value Measurements - Assets and Liabilities Recorded at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Netting, Assets $ (14,110) $ (15,625)
Fair Value [1] 25,696 27,345
Netting Liabilities (14,110) (15,625)
Trading assets [1] 22,115 21,730
Trading liabilities [1] 3,485 2,803
Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 2,469 1,846
Trading assets 4,019 6,391
Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading assets 11,702 7,855
Precious metals trading    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading assets 346 3,831
Trading liabilities 301 0
Home equity    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 12 15
Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 92 93
Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading liabilities 1,496 1,966
Derivative assets    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading assets 1,276 1,614
Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 64,268 68,276
Netting, Assets (15,870) (18,278)
Net Balance, Assets 48,398 49,998
Gross Balance, Liabilities 28,622 30,414
Netting Liabilities (15,431) (17,154)
Net Balance, Liabilities 13,191 13,260
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 23,123 25,391
Fair Value, Recurring | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 2,469 1,846
Fair Value, Recurring | Home equity    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 12 15
Fair Value, Recurring | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 92 93
Fair Value, Recurring | Domestic Deposits | Domestic deposits    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,821 1,554
Net Balance, Liabilities 1,821 1,554
Fair Value, Recurring | Trading liabilities, excluding derivatives    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,989 837
Net Balance, Liabilities 1,989 837
Fair Value, Recurring | Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 17,263 19,320
Netting Liabilities (15,431) (17,154)
Net Balance, Liabilities 1,832 2,166
Fair Value, Recurring | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,122 1,484
Netting Liabilities 0 0
Net Balance, Liabilities 1,122 1,484
Fair Value, Recurring | Derivatives liability | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 13,535 15,510
Netting Liabilities 0 0
Net Balance, Liabilities 13,535 15,510
Fair Value, Recurring | Derivatives liability | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,273 927
Netting Liabilities 0 0
Net Balance, Liabilities 1,273 927
Fair Value, Recurring | Derivatives liability | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,033 1,255
Netting Liabilities 0 0
Net Balance, Liabilities 1,033 1,255
Fair Value, Recurring | Derivatives liability | Credit contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 260 106
Netting Liabilities 0 0
Net Balance, Liabilities 260 106
Fair Value, Recurring | Derivatives liability | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 40 38
Netting Liabilities 0 0
Net Balance, Liabilities 40 38
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 (15,431) (17,154)
Net Balance, Liabilities (15,431) (17,154)
Fair Value, Recurring | Long-term debt | Long-term debt    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 7,539 8,378
Net Balance, Liabilities 7,539 8,378
Fair Value, Recurring | Other liabilities | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 10 325
Net Balance, Liabilities 10 325
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 4,772 2,039
Net Balance, Assets 4,772 2,039
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 4,019 6,391
Net Balance, Assets 4,019 6,391
Fair Value, Recurring | Trading assets, excluding derivatives | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 11,702 7,855
Net Balance, Assets 11,702 7,855
Fair Value, Recurring | Trading assets, excluding derivatives | Precious metals trading    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 346 3,831
Net Balance, Assets 346 3,831
Fair Value, Recurring | Derivative assets    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 17,169 19,944
Netting, Assets (15,870) (18,278)
Net Balance, Assets 1,299 1,666
Fair Value, Recurring | Derivative assets | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,255 1,856
Netting, Assets 0 0
Net Balance, Assets 1,255 1,856
Fair Value, Recurring | Derivative assets | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 13,606 15,744
Netting, Assets 0 0
Net Balance, Assets 13,606 15,744
Fair Value, Recurring | Derivative assets | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,041 1,028
Netting, Assets 0 0
Net Balance, Assets 1,041 1,028
Fair Value, Recurring | Derivative assets | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,153 1,201
Netting, Assets 0 0
Net Balance, Assets 1,153 1,201
Fair Value, Recurring | Derivative assets | Credit contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 109 110
Netting, Assets 0 0
Net Balance, Assets 109 110
Fair Value, Recurring | Derivative assets | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 5 5
Netting, Assets 0 0
Net Balance, Assets 5 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 (15,870) (18,278)
Net Balance, Assets (15,870) (18,278)
Fair Value, Recurring | Loans | Loans    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 15 20
Net Balance, Assets 15 20
Fair Value, Recurring | Loans | Loans held for sale    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 250 237
Net Balance, Assets 250 237
Fair Value, Recurring | Other assets | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 127 127
Net Balance, Assets 127 127
Fair Value, Recurring | Other assets | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 10 325
Net Balance, Assets 10 325
Fair Value, Recurring | Other assets | Mortgage servicing rights    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 19 22
Net Balance, Assets 19 22
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 143 140
Net Balance, Assets 143 140
Fair Value, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 29,460 25,805
Gross Balance, Liabilities 1,704 848
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 7,799 8,195
Fair Value, Recurring | Level 1 | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 2,359 1,740
Fair Value, Recurring | Level 1 | Home equity    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 0 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 1,688 837
Fair Value, Recurring | Level 1 | Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 16 11
Fair Value, Recurring | Level 1 | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 16 6
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    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 4
Fair Value, Recurring | Level 1 | Derivatives liability | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 0 1
Fair Value, Recurring | Level 1 | Derivatives liability | Credit contracts    
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 3,564 1,670
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 4,019 6,337
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 11,702 7,855
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 17 8
Fair Value, Recurring | Level 1 | Derivative assets | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 7 8
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    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 7 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 3 0
Fair Value, Recurring | Level 1 | Derivative assets | Credit contracts    
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
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 34,310 42,061
Gross Balance, Liabilities 24,489 26,201
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 15,324 17,196
Fair Value, Recurring | Level 2 | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 110 106
Fair Value, Recurring | Level 2 | Home equity    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 0 0
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 1,528 1,181
Fair Value, Recurring | Level 2 | Trading liabilities, excluding derivatives    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 301 0
Fair Value, Recurring | Level 2 | Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 17,030 18,956
Fair Value, Recurring | Level 2 | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,100 1,471
Fair Value, Recurring | Level 2 | Derivatives liability | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 13,534 15,500
Fair Value, Recurring | Level 2 | Derivatives liability | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,104 625
Fair Value, Recurring | Level 2 | Derivatives liability | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,033 1,254
Fair Value, Recurring | Level 2 | Derivatives liability | Credit contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 259 106
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 5,620 5,739
Fair Value, Recurring | Level 2 | Other liabilities | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 10 325
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 1,208 369
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 0 54
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 346 3,831
Fair Value, Recurring | Level 2 | Derivative assets    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 16,952 19,845
Fair Value, Recurring | Level 2 | Derivative assets | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,246 1,846
Fair Value, Recurring | Level 2 | Derivative assets | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 13,605 15,734
Fair Value, Recurring | Level 2 | Derivative assets | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 844 956
Fair Value, Recurring | Level 2 | Derivative assets | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,150 1,201
Fair Value, Recurring | Level 2 | Derivative assets | Credit contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 107 108
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 15 20
Fair Value, Recurring | Level 2 | Loans | Loans held for sale    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 218 188
Fair Value, Recurring | Level 2 | Other assets | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 127 127
Fair Value, Recurring | Level 2 | Other assets | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 10 325
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 355 270
Gross Balance, Liabilities 2,429 3,365
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    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 12 15
Fair Value, Recurring | Level 3 | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Fair Value 92 93
Fair Value, Recurring | Level 3 | Domestic Deposits | Domestic deposits    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 293 373
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 217 353
Fair Value, Recurring | Level 3 | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 6 7
Fair Value, Recurring | Level 3 | Derivatives liability | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1 10
Fair Value, Recurring | Level 3 | Derivatives liability | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 169 298
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    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1 0
Fair Value, Recurring | Level 3 | Derivatives liability | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 40 38
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 1,919 2,639
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 200 91
Fair Value, Recurring | Level 3 | 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 3 | Derivative assets | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1 10
Fair Value, Recurring | Level 3 | Derivative assets | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 190 72
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    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 2 2
Fair Value, Recurring | Level 3 | Derivative assets | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 5 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 32 49
Fair Value, Recurring | Level 3 | Other assets | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 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 19 22
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 December 31, 2023 and 2022. Assets and liabilities exclude intercompany balances that eliminate in consolidation. See Note 27, "Variable Interest Entities," for additional information.
At December 31,20232022
(in millions)
Assets
Loans, net$ $162 
Other assets23 44 
Total assets$23 $206 
Liabilities
Interest, taxes and other liabilities$17 $22 
Total liabilities$17 $22