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Income Taxes - Provision or Benefit for Income Taxes (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Current:      
U.S. $ 11 $ (59) $ (12)
Foreign 614 458 443
Total current 625 399 431
Deferred:      
U.S. (24) 11 (12)
Foreign 157 149 63
Total deferred 133 160 51
Provision for income taxes $ 758 $ 559 $ 482