Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Effective Tax Rate Reconciliation, Percent
Statutory U.S. federal income tax rate	21.00%	21.00%	21.00%
Tax on international activities	(3.10%)	(4.10%)	(1.10%)
Tax charges related to Separation Transactions and Raytheon merger	0.00%	(0.80%)	(17.70%)
Disposals of businesses	0.00%	2.20%	(7.50%)
U.S. research and development credit	(2.70%)	(3.50%)	6.10%
Goodwill impairment	0.00%	0.00%	28.40%
State income tax, net	(0.20%)	0.70%	2.40%
Foreign Derived Intangible Income	(3.50%)	(2.50%)	3.50%
U.K. corporate tax rate enactment	0.00%	1.50%	(0.40%)
Other	0.10%	1.40%	(2.30%)
Effective income tax rate	11.60%	15.90%	(24.40%)
Effective Tax Rate Reconciliation, Amount
Statutory U.S. federal income tax rate	$ 1,266	$ 1,036	$ (494)
Tax on international activities	(186)	(204)	27
Tax charges related to Separation Transactions and Raytheon merger	0	(39)	416
Disposals of businesses	0	108	177
U.S. research and development credit	(164)	(172)	(142)
Goodwill impairment	0	0	668
State income tax, net	(12)	33	(56)
Foreign Derived Intangible Income (FDII)	(214)	(121)	(83)
Effective Income Tax Rate Reconciliation, Change in U.K. Enacted Tax Rate, Amount	0	73	8
Other	10	72	54
Effective income tax rate	$ 700	$ 786	$ 575