Income Taxes (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended			12 Months Ended
	Apr. 30, 2020	Dec. 31, 2021	Mar. 31, 2021	Jun. 30, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Contingency [Line Items]
Undistributed Earnings of Foreign Subsidiaries					$ 18,000
Foreign Derived Intangible Income (FDII)					(214)	$ (121)	$ (83)
Effective Income Tax Reconciliation, Reorganization, Amount					207	244
U.S. research and development credit					164	172	142
Effective Income Tax Rate Reconciliation, Change in U.K. Enacted Tax Rate, Amount					0	73	8
Disposals of businesses					0	108	177
Income tax expense					700	786	575
Income from continuing operations before income taxes					(6,027)	(4,931)	2,353
Goodwill, Impairment Loss				$ 3,200	0	0	3,183
Net deferred tax charges resulting from the Separation Transactions and Raytheon Merger							416
Unrecognized Tax Benefits		$ 1,458			1,515	1,458	1,225	$ 1,347
Unrecognized Tax Benefits that Would Impact Effective Tax Rate					1,378
Unrecognized Tax Benefits, Period Increase (Decrease)	$ 439				0	0	439
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 165	165			190	$ 165	$ 141
Forcepoint [Member]
Income Tax Contingency [Line Items]
Disposals of businesses			$ 148
Raytheon Intelligence & Space global training and services business
Income Tax Contingency [Line Items]
Disposals of businesses		$ (104)
Minimum [Member]
Income Tax Contingency [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible					25
Maximum [Member]
Income Tax Contingency [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible					$ 375