Revenue - Recognized (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]
Total revenue	$ 3,510	$ 2,856	$ 6,672	$ 5,420
Net contract assets	34		34		$ 23
Over time
Disaggregation of Revenue [Line Items]
Total revenue	1,883	1,531	3,600	2,921
Point in time
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,627	$ 1,325	$ 3,072	$ 2,499