XML 133 R74.htm IDEA: XBRL DOCUMENT v3.21.1
Derivatives and Hedging Activities - Additional Information (Details)
$ in Millions
 3 Months Ended
Mar. 31, 2021
USD ($)
derivative
rating
Dec. 31, 2020
USD ($)
rating
Credit Derivatives [Line Items]    
Derivative assets after effects of bilateral collateral and master netting agreements $ 103  
Derivative liabilities after effects of bilateral collateral and master netting agreements 6  
Derivative assets not designated as hedging instruments after effects of bilateral collateral and master netting agreements, and a reserve for potential future losses 1,400  
Derivative liabilities not designated as hedging instruments after effects of bilateral collateral and master netting agreements, and a reserve for potential future losses 177  
Reclassify of after-tax net gains on derivative instruments from AOCI $ 215  
Length of time hedge in cash flow hedge 12 months  
Reclassification of net losses related to terminated cash flow hedges from AOCI to income $ 9  
Maximum length of time over which forecasted transactions are hedged, years 6 years  
Cash collateral netted against derivative assets $ 86 $ 63
Collateral netted against derivative liabilities 518 232
Gross exposure on derivatives, after taking into account the effects of bilateral collateral and master netting agreements 234  
Net exposure on derivatives, after taking into account, the effects of bilateral collateral and master netting agreements 228  
Over-collateralization on derivatives to broker-dealers and banks, after the application of master netting agreements and collateral 225  
Additional collateral held in the form of securities 3  
Default reserve associated with uncollateralized contracts 23  
Gross exposure on derivatives after taking into account effects of master netting agreements 1,400  
Net exposure on derivatives with clients after application of master netting agreements collateral and related reserve 1,300  
Net liability position totaled 8 $ 9
Banking Subsidiary    
Credit Derivatives [Line Items]    
Net liability position totaled 496  
Derivative assets included in net liability position 121  
Derivative liabilities included in net liability position 617  
Cash and securities collateral posted $ 530  
Number of credit risk derivatives held | derivative 0  
Banking Subsidiary | Unsecured Debt    
Credit Derivatives [Line Items]    
Number of ratings above noninvestment | rating 4 4
Banking Subsidiary | Maximum | Unsecured Debt    
Credit Derivatives [Line Items]    
Payments to terminate contracts (less than for the $1 million) $ 3 $ 2