Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Effective Tax Rate	10.70%		23.90%	10.10%	26.50%
Incremental Percentage Points Related to Foreign Derived Intangible Income (FDII) and Capitalization of R&D, Benefit	4.00%			5.00%
Effective Income Tax Rate Reconciliation, Change in U.K. Enacted Tax Rate, Amount			$ 73		$ 73
Forcepoint
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Effective Income Tax Rate Reconciliation, Disposition of Business, Expense (Benefit), Amount					$ 148
Raytheon Intelligence & Space global training and services business
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Effective Income Tax Rate Reconciliation, Disposition of Business, Expense (Benefit), Amount		$ (104)
Minimum [Member]
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change	$ 20			$ 20
Maximum [Member]
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change	$ 400			$ 400