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Equity - Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
6 Months Ended 9 Months Ended
Jun. 30, 2022
Sep. 30, 2022
Dec. 31, 2021
Equity [Abstract]      
Available-for-sale securities   $ 6 $ 19
Foreign currency translation adjustment $ 13 1  
Actuarial gain related to pensions and other postretirement benefits 5 12  
AOCI attributable to equity method investments   13 (11)
Total AOCI, net of tax   32 26
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest $ (3) 0  
Accumulated other comprehensive income   $ 32 $ 23