v3.22.0.1
Fair Value Measurements (Schedule Of Assets And Liabilities At Fair Value Measured On A Recurring Basis) (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale $ 28,481 $ 27,154
Residential mortgage servicing rights 418 296
Derivative Assets [1],[2] 412 921
Derivative Liabilities [1],[2] 80 53
Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 28,481 27,154
Loans held for sale 783 1,446
Marketable Equity Securities carried at fair value 464 388
Residential mortgage servicing rights 418 296
Derivative Assets [3] 1,111 3,349
Other Assets, Fair Value Disclosure   74
Derivative Liabilities [3] 1,012 1,598
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 1,132 183
Loans held for sale 0 0
Derivative Assets 0 2
Other Assets, Fair Value Disclosure 0 0
Derivative Liabilities 0 2
Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 1,132 183
Loans held for sale 0 0
Marketable Equity Securities carried at fair value 464 388
Residential mortgage servicing rights 0 0
Derivative Assets [3] 0 2
Other Assets, Fair Value Disclosure   0
Derivative Liabilities [3] 0 2
Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 27,347 26,966
Loans held for sale 899 1,901
Derivative Assets 1,098 3,303
Other Assets, Fair Value Disclosure 0 74
Derivative Liabilities 1,009 1,590
Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 27,347 26,966
Loans held for sale 693 1,446
Marketable Equity Securities carried at fair value 0 0
Residential mortgage servicing rights 0 0
Derivative Assets [3] 1,098 3,303
Other Assets, Fair Value Disclosure   74
Derivative Liabilities [3] 1,009 1,590
Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 2 5
Loans held for sale 104 4
Derivative Assets 13 44
Other Assets, Fair Value Disclosure 0 0
Derivative Liabilities 3 6
Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 2 [4] 5
Loans held for sale 90 0
Marketable Equity Securities carried at fair value 0 0
Residential mortgage servicing rights 418 296
Derivative Assets [3] 13 [4] 44
Other Assets, Fair Value Disclosure   0
Derivative Liabilities [3] 3 [4] 6
Interest Rate Swaps [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 919 2,750
Derivative Liabilities [3] 855 1,464
Interest Rate Swaps [Member] | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 0 0
Derivative Liabilities [3] 0 0
Interest Rate Swaps [Member] | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 919 2,750
Derivative Liabilities [3] 855 1,464
Interest Rate Swaps [Member] | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 0 0
Derivative Liabilities [3] 0 0
Interest Rate Options [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 48 520
Derivative Liabilities [3] 19 28
Interest Rate Options [Member] | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 0 0
Derivative Liabilities [3] 0 0
Interest Rate Options [Member] | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 36 477
Derivative Liabilities [3] 19 28
Interest Rate Options [Member] | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3],[4] 12 43
Derivative Liabilities [3] 0 0
Interest Rate Futures And Forward Commitments [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 11 11
Derivative Liabilities [3] 3 26
Interest Rate Futures And Forward Commitments [Member] | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 0 0
Derivative Liabilities [3] 0 0
Interest Rate Futures And Forward Commitments [Member] | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 11 11
Derivative Liabilities [3] 3 26
Interest Rate Futures And Forward Commitments [Member] | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 0 0
Derivative Liabilities [3] 0 0
Other Contracts [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 133 68
Derivative Liabilities [3] 135 80
Other Contracts [Member] | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 0 2
Derivative Liabilities [3] 0 2
Other Contracts [Member] | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3] 132 65
Derivative Liabilities [3] 132 72
Other Contracts [Member] | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Assets [3],[4] 1 1
Derivative Liabilities [3],[4] 3 6
US Treasury Securities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 1,132 183
US Treasury Securities [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 1,132 183
US Treasury Securities [Member] | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 1,132 183
US Treasury Securities [Member] | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
US Treasury Securities [Member] | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
Federal agency securities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 92 105
Federal agency securities [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 92 105
Federal agency securities [Member] | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
Federal agency securities [Member] | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 92 105
Federal agency securities [Member] | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
US States and Political Subdivisions Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 4  
US States and Political Subdivisions Debt Securities | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 4  
US States and Political Subdivisions Debt Securities | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0  
US States and Political Subdivisions Debt Securities | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 4  
US States and Political Subdivisions Debt Securities | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0  
Residential Agency [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 18,962 19,076
Residential Agency [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 18,962 19,076
Residential Agency [Member] | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
Residential Agency [Member] | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 18,962 19,076
Residential Agency [Member] | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
Residential Non-Agency [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 1 1
Residential Non-Agency [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 1 1
Residential Non-Agency [Member] | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
Residential Non-Agency [Member] | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
Residential Non-Agency [Member] | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale [4] 1 1
Commercial Agency [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 6,373 5,999
Commercial Agency [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 6,373 5,999
Commercial Agency [Member] | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
Commercial Agency [Member] | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 6,373 5,999
Commercial Agency [Member] | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
Commercial Non Agency [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 536 586
Commercial Non Agency [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 536 586
Commercial Non Agency [Member] | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
Commercial Non Agency [Member] | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 536 586
Commercial Non Agency [Member] | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
Corporate and other debt securities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 1,381 1,204
Corporate and other debt securities [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 1,381 1,204
Corporate and other debt securities [Member] | Level 1 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 0 0
Corporate and other debt securities [Member] | Level 2 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale 1,380 1,200
Corporate and other debt securities [Member] | Level 3 [Member] | Recurring Fair Value Measurements [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities available for sale [4] $ 1 $ 4
[1] Derivatives in a gain position are recorded as other assets and derivatives in a loss position are recorded as other liabilities.(2)Includes accrued interest of $12 million as of December 31, 2021 and $28 million at December 31, 2020, respectively.(3)Includes accrued interest of $12 million and
[2] The gain amounts, which are not collateralized with cash or other assets or reserved for, represent the net credit risk on all trading and other derivative positions. As of December 31, 2021, there were no financial instruments posted that were not offset in the consolidated balance sheets, compared to $24 million as of December 31, 2020.
[3] As permitted under U.S. GAAP, variation margin collateral payments made or received for derivatives that are centrally cleared are legally characterized as settled. As such, these derivative assets and derivative liabilities and the related variation margin collateral are presented on a net basis on the balance sheet.
[4] All following disclosures related to Level 3 recurring assets do not include those deemed to be immaterial.