XML 58 R43.htm IDEA: XBRL DOCUMENT v3.21.2
Derivative Instruments - Derivatives and Hedges (Details) - Cash Flow Hedges - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Jun. 30, 2020
Foreign exchange risk      
Derivatives and Hedges      
Unrecognized (loss) gain included in Accumulated OCI $ 9 $ 9 $ (10)
Interest rate risk | Maximum      
Derivatives and Hedges      
Unrecognized (loss) gain included in Accumulated OCI $ (1) $ (1) $ (1)