Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Revenue from related party	$ 628	$ 627	$ 1,197	$ 1,239
Accounts receivable, net	198		198		$ 166
Accounts payable	290		290		457
Contract assets	1,018		1,018		872
Affiliated Entity | Leonardo S.p.A.
Related Party Transaction [Line Items]
Revenue from related party	7	51	13	54
Related parties amount in cost of sales	1	$ 7	1	$ 18
Accounts receivable, net	14		14		14
Accounts payable	2		2		1
Contract assets	$ 1		$ 1		$ 5