XML 93 R68.htm IDEA: XBRL DOCUMENT v3.20.2
Derivative Instruments and Hedging Activities Credit Risk-Related Contingent Features (Details) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Derivative [Line Items]    
Derivative Liability $ 32  
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 32  
Derivative, Net Liability Position, Aggregate Fair Value $ 949 $ 424