Revenue - Recognized (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenue	$ 3,259	$ 2,920	$ 9,931	$ 8,340
Net contract assets	25		25		$ 23
Over time
Disaggregation of Revenue [Line Items]
Total revenue	1,733	1,527	5,333	4,448
Point in time
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,526	$ 1,393	$ 4,598	$ 3,892