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Fair Value Measurements - Assets and Liabilities Recorded at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Netting, Assets $ (14,064) $ (11,991)
Netting Liabilities (14,064) (11,991)
Trading assets [1] 18,761 24,043
Trading liabilities [1] 4,341 3,023
Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading assets 535 167
Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading assets 10,942 15,795
Precious metals trading    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading assets 3,076 3,907
Trading liabilities 1,316 46
Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading liabilities 2,056 1,874
Derivative assets    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Trading assets 1,836 1,405
Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 69,719 74,511
Netting, Assets (16,720) (14,788)
Net Balance, Assets 52,999 59,723
Gross Balance, Liabilities 30,202 28,125
Netting Liabilities (15,674) (13,287)
Net Balance, Liabilities 14,528 14,838
Fair Value, Recurring | Domestic Deposits | Domestic Deposits    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 2,379 2,749
Net Balance, Liabilities 2,379 2,749
Fair Value, Recurring | Trading liabilities, excluding derivatives    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 2,285 1,149
Net Balance, Liabilities 2,285 1,149
Fair Value, Recurring | Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 17,873 15,285
Netting Liabilities (15,674) (13,287)
Net Balance, Liabilities 2,199 1,998
Fair Value, Recurring | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,543 1,899
Netting Liabilities 0 0
Net Balance, Liabilities 1,543 1,899
Fair Value, Recurring | Derivatives liability | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 13,423 11,126
Netting Liabilities 0 0
Net Balance, Liabilities 13,423 11,126
Fair Value, Recurring | Derivatives liability | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,319 1,361
Netting Liabilities 0 0
Net Balance, Liabilities 1,319 1,361
Fair Value, Recurring | Derivatives liability | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,428 779
Netting Liabilities 0 0
Net Balance, Liabilities 1,428 779
Fair Value, Recurring | Derivatives liability | Credit contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 133 82
Netting Liabilities 0 0
Net Balance, Liabilities 133 82
Fair Value, Recurring | Derivatives liability | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 27 38
Netting Liabilities 0 0
Net Balance, Liabilities 27 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 (15,674) (13,287)
Net Balance, Liabilities (15,674) (13,287)
Fair Value, Recurring | Long-term debt | Fixed rate long-term debt    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 7,665 8,942
Net Balance, Liabilities 7,665 8,942
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 2,372 2,769
Net Balance, Assets 2,372 2,769
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 535 167
Net Balance, Assets 535 167
Fair Value, Recurring | Trading assets, excluding derivatives: | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 10,942 15,795
Net Balance, Assets 10,942 15,795
Fair Value, Recurring | Trading assets, excluding derivatives: | Precious metals trading    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 3,076 3,907
Net Balance, Assets 3,076 3,907
Fair Value, Recurring | Derivative assets    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 18,655 16,229
Netting, Assets (16,720) (14,788)
Net Balance, Assets 1,935 1,441
Fair Value, Recurring | Derivative assets | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,752 1,848
Netting, Assets 0 0
Net Balance, Assets 1,752 1,848
Fair Value, Recurring | Derivative assets | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 14,066 11,350
Netting, Assets 0 0
Net Balance, Assets 14,066 11,350
Fair Value, Recurring | Derivative assets | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,540 2,058
Netting, Assets 0 0
Net Balance, Assets 1,540 2,058
Fair Value, Recurring | Derivative assets | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,177 940
Netting, Assets 0 0
Net Balance, Assets 1,177 940
Fair Value, Recurring | Derivative assets | Credit contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 117 28
Netting, Assets 0 0
Net Balance, Assets 117 28
Fair Value, Recurring | Derivative assets | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 3 5
Netting, Assets 0 0
Net Balance, Assets 3 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 (16,720) (14,788)
Net Balance, Assets (16,720) (14,788)
Fair Value, Recurring | Securities available-for-sale ("AFS") | U.S. Treasury, U.S. Government agencies and sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 31,115 32,866
Net Balance, Assets 31,115 32,866
Fair Value, Recurring | Securities available-for-sale ("AFS") | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 2,469 2,312
Net Balance, Assets 2,469 2,312
Fair Value, Recurring | Securities available-for-sale ("AFS") | Home equity    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 17 19
Net Balance, Assets 17 19
Fair Value, Recurring | Securities available-for-sale ("AFS") | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 97 101
Net Balance, Assets 97 101
Fair Value, Recurring | Loans | Loans held for sale    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 144 48
Net Balance, Assets 144 48
Fair Value, Recurring | Other assets: | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 136 144
Net Balance, Assets 136 144
Fair Value, Recurring | Other assets: | Mortgage servicing rights    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 21 16
Net Balance, Assets 21 16
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 140 138
Net Balance, Assets 140 138
Fair Value, Recurring | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 26,081 31,296
Gross Balance, Liabilities 988 1,113
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 969 1,103
Fair Value, Recurring | Level 1 | Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 19 10
Fair Value, Recurring | Level 1 | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 10 10
Fair Value, Recurring | Level 1 | Derivatives liability | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1 0
Fair Value, Recurring | Level 1 | Derivatives liability | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 5 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 3 0
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 | Fixed rate long-term debt    
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 1,948 2,337
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 535 134
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 10,942 15,795
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 12
Fair Value, Recurring | Level 1 | Derivative assets | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 17 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 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 4
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 | Securities available-for-sale ("AFS") | U.S. Treasury, U.S. Government agencies and sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 10,278 10,817
Fair Value, Recurring | Level 1 | Securities available-for-sale ("AFS") | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 2,361 2,201
Fair Value, Recurring | Level 1 | Securities available-for-sale ("AFS") | Home equity    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 1 | Securities available-for-sale ("AFS") | Other    
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: | 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 43,159 42,722
Gross Balance, Liabilities 26,417 24,414
Fair Value, Recurring | Level 2 | Domestic Deposits | Domestic Deposits    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,887 2,214
Fair Value, Recurring | Level 2 | Trading liabilities, excluding derivatives    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,316 46
Fair Value, Recurring | Level 2 | Derivatives liability    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 17,621 15,065
Fair Value, Recurring | Level 2 | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,530 1,888
Fair Value, Recurring | Level 2 | Derivatives liability | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 13,419 11,124
Fair Value, Recurring | Level 2 | Derivatives liability | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,116 1,194
Fair Value, Recurring | Level 2 | Derivatives liability | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 1,425 779
Fair Value, Recurring | Level 2 | Derivatives liability | Credit contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 131 80
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 | Fixed rate long-term debt    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 5,593 7,089
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 424 432
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 33
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 3,076 3,907
Fair Value, Recurring | Level 2 | Derivative assets    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 18,434 15,998
Fair Value, Recurring | Level 2 | Derivative assets | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,733 1,839
Fair Value, Recurring | Level 2 | Derivative assets | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 14,064 11,350
Fair Value, Recurring | Level 2 | Derivative assets | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,343 1,845
Fair Value, Recurring | Level 2 | Derivative assets | Precious metals contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 1,177 936
Fair Value, Recurring | Level 2 | Derivative assets | Credit contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 117 28
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 | Securities available-for-sale ("AFS") | U.S. Treasury, U.S. Government agencies and sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 20,837 22,049
Fair Value, Recurring | Level 2 | Securities available-for-sale ("AFS") | Debt securities issued by foreign entities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 108 111
Fair Value, Recurring | Level 2 | Securities available-for-sale ("AFS") | Home equity    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 2 | Securities available-for-sale ("AFS") | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 0 0
Fair Value, Recurring | Level 2 | Loans | Loans held for sale    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 144 48
Fair Value, Recurring | Level 2 | Other assets: | Equity securities    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 136 144
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 339 355
Gross Balance, Liabilities 2,797 2,598
Fair Value, Recurring | Level 3 | Domestic Deposits | Domestic Deposits    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 492 535
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 233 210
Fair Value, Recurring | Level 3 | Derivatives liability | Interest rate contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 3 1
Fair Value, Recurring | Level 3 | Derivatives liability | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 3 2
Fair Value, Recurring | Level 3 | Derivatives liability | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 198 167
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 2 2
Fair Value, Recurring | Level 3 | Derivatives liability | Other Contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 27 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 | Fixed rate long-term debt    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Liabilities 2,072 1,853
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 204 219
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 1
Fair Value, Recurring | Level 3 | Derivative assets | Foreign exchange contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 2 0
Fair Value, Recurring | Level 3 | Derivative assets | Equity contracts    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 197 213
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 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 3 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 | Securities available-for-sale ("AFS") | 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 | Securities available-for-sale ("AFS") | 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 | Securities available-for-sale ("AFS") | Home equity    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 17 19
Fair Value, Recurring | Level 3 | Securities available-for-sale ("AFS") | Other    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 97 101
Fair Value, Recurring | Level 3 | 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 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: | Mortgage servicing rights    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Gross Balance, Assets 21 16
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 March 31, 2022 and December 31, 2021. Assets and liabilities exclude intercompany balances that eliminate in consolidation. See Note 17, "Variable Interest Entities," for additional information.
March 31, 2022December 31, 2021
(in millions)
Assets
Loans$128 $46 
Other assets51 55 
Total assets$179 $101 
Liabilities
Interest, taxes and other liabilities$31 $
Total liabilities$31 $