XML 78 R59.htm IDEA: XBRL DOCUMENT v3.22.1
Derivative Financial Instruments - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Derivative [Line Items]      
Notional amounts of derivative contracts entered into for trading account purposes $ 20,650,000,000   $ 23,350,000,000
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) 66,000,000    
Net unrealized pre-tax gains related to hedged loans held for sale, commitments to originate loans for sale and commitments to sell loans 13,000,000   24,000,000
Aggregate fair value of derivative financial instruments in a liability position 1,000,000   35,000,000
Aggregate fair value of derivative financial instruments in asset position 83,000,000   7,000,000
Net fair value of derivative financial instruments in a net asset position 83,000,000   7,000,000
Collateral relating to net asset positions 84,000,000   6,000,000
Counterparties [Member]      
Derivative [Line Items]      
Post collateral requirements relating to positions 1,000,000   33,000,000
Clearinghouse Credit Facilities [Member]      
Derivative [Line Items]      
Amount of initial margin posted 133,000,000   132,000,000
Interest Income [Member]      
Derivative [Line Items]      
Cash flow hedges derivative instruments income 38,000,000 $ 82,000,000  
Interest Rate Swap Agreements [Member]      
Derivative [Line Items]      
Increase decrease in net interest income due to interest rate swap agreements 47,000,000 $ 91,000,000  
Interest Rate Swap Agreements [Member] | Maturity Period 2022 [Member]      
Derivative [Line Items]      
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) 5,000,000    
Interest Rate Swap Agreements [Member] | Maturity Period 2023 [Member]      
Derivative [Line Items]      
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) 35,000,000    
Interest Rate Swap Agreements [Member] | Maturity Period 2025 [Member]      
Derivative [Line Items]      
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) 36,000,000    
Interest Rate Contracts [Member]      
Derivative [Line Items]      
Notional amounts of derivative contracts entered into for trading account purposes 31,800,000,000   32,600,000,000
Foreign Currency and Other Option and Futures Contracts [Member]      
Derivative [Line Items]      
Notional amounts of derivative contracts entered into for trading account purposes $ 1,300,000,000   $ 1,100,000,000