Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,097	$ 1,096
Accumulated Amortization	(946)	(924)
Net Carrying Amount	151	172
Acquired Intangible Assets | RADA
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,087	1,087
Accumulated Amortization	(940)	(918)
Net Carrying Amount	147	169
Patents and licenses
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	10	9
Accumulated Amortization	(6)	(6)
Net Carrying Amount	$ 4	$ 3