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Other, Net (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Other Expenses [Abstract]          
Estimated future obligation under a performance guarantee $ 0   $ (18) $ (96) $ (18)
Satisfaction of future obligation under performance guarantee   $ 35      
Reduction in estimated exposure of future obligation under performance guarantee   $ 61      
Ukraine charitable pledge 0   0 20 0
Severance and other non-income tax refunds $ 0   $ 3 $ 3 $ 39