Acquisition, Dispositions, Goodwill and Intangible Assets (Goodwill) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2022 USD ($)
Goodwill [Line Items]
Goodwill - Beginning Balance	$ 54,436
Goodwill - Acquisitions and Divestitures	(13)
Goodwill - Foreign Currency Translation and Other	(617)
Goodwill - Ending Balance	53,806
Collins Aerospace Systems [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	31,384
Goodwill - Acquisitions and Divestitures	(36)
Goodwill - Foreign Currency Translation and Other	(614)
Goodwill - Ending Balance	30,734
Pratt & Whitney [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	1,563
Goodwill - Acquisitions and Divestitures	0
Goodwill - Foreign Currency Translation and Other	0
Goodwill - Ending Balance	1,563
Raytheon Intelligence & Space [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	9,813
Goodwill - Acquisitions and Divestitures	23
Goodwill - Foreign Currency Translation and Other	(1)
Goodwill - Ending Balance	9,835
Raytheon Missiles & Defense
Goodwill [Line Items]
Goodwill - Beginning Balance	11,659
Goodwill - Acquisitions and Divestitures	0
Goodwill - Foreign Currency Translation and Other	(2)
Goodwill - Ending Balance	11,657
Total Segments [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	54,419
Goodwill - Acquisitions and Divestitures	(13)
Goodwill - Foreign Currency Translation and Other	(617)
Goodwill - Ending Balance	53,789
Eliminations and other [Member]
Goodwill [Line Items]
Goodwill - Beginning Balance	17
Goodwill - Acquisitions and Divestitures	0
Goodwill - Foreign Currency Translation and Other	0
Goodwill - Ending Balance	$ 17