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Revenue - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Revenues [Abstract]          
Contract with customer, asset, gross, current $ 2   $ 2   $ 1
Contract with customer, liability 25   25   $ 67
Performance obligation satisfied in previous period $ 8 $ 3 $ 13 $ 4  
Reversal of revenue related to performance obligations settled in previous quarters   $ 1