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Contract Cost Assets (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]          
Contract cost assets $ 25,000,000   $ 25,000,000   $ 35,000,000
Impairment of contract cost assets 0 $ 0 0 $ 0  
Capitalized contract cost, amortization $ 7,000,000 $ 12,000,000 $ 23,000,000 $ 32,000,000