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Progress Collections and Deferred Income (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
Disaggregation of Revenue [Line Items]          
Progress collections and deferred income (contract liabilities) $ 3,289   $ 3,289   $ 3,232
Revenue recognized, included in contract liability 513 $ 708 1,253 $ 1,585  
Progress collections          
Disaggregation of Revenue [Line Items]          
Progress collections and deferred income (contract liabilities) 3,173   3,173   3,108
Deferred income          
Disaggregation of Revenue [Line Items]          
Progress collections and deferred income (contract liabilities) $ 116   $ 116   $ 124