XML 93 R64.htm IDEA: XBRL DOCUMENT v3.22.1
Fair Value Measurements - Effect of Interest Rate Swap Contracts (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Total interest expense which reflects the effects of cash flow hedges $ (116) $ (121)
Hedged item (3) (5)
Derivative designated as hedging instrument $ 0 $ 0