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Revenue (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Disaggregation of Revenue [Line Items]      
Total revenue $ 2,974 $ 3,162  
Net contract assets 30   $ 18
Revenue recognized over time      
Disaggregation of Revenue [Line Items]      
Total revenue 1,664 1,717  
Revenue recognized at a point in time      
Disaggregation of Revenue [Line Items]      
Total revenue $ 1,310 $ 1,445