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Other, Net (Schedule of Other Expenses (Income)) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Other Expenses [Abstract]        
Estimated future obligation under a performance guarantee $ 0 $ (18) $ (96) $ (18)
Ukraine charitable pledge 0 0 20 0
Asset retirement obligation accretion 6 7 13 14
Severance and other non-income tax refunds 0 (3) (3) (39)
Other 4 0 15 0
Total $ 10 $ (14) $ (51) $ (43)