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Equity - Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2022
Jun. 30, 2022
Dec. 31, 2021
Equity [Abstract]      
Available-for-sale securities   $ 10 $ 19
Foreign currency translation adjustment $ 13 (8)  
Actuarial gain related to pensions and other postretirement benefits 5 12  
AOCI attributable to equity method investments   7 (11)
Total AOCI, net of tax   21 26
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest $ (3) 8  
Accumulated other comprehensive income   $ 29 $ 23