Segment Financial Data (Segment Information) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net sales		$ 67,074	$ 64,388	$ 56,587
Operating Income (Loss)		$ 5,414	$ 4,958	$ (1,889)
Operating Profit Margin		8.10%	7.70%	(3.30%)
Goodwill, Impairment Loss	$ 3,200	$ 0	$ 0	$ 3,183
Total Assets		158,864	161,404
Capital Expenditures		2,288	2,134	1,795
Depreciation & Amortization		4,108	4,557	4,156
Operating Segments
Segment Reporting Information [Line Items]
Net sales		70,302	67,318	58,552
Operating Income (Loss)		$ 6,279	$ 6,050	$ 2,802
Operating Profit Margin		8.90%	9.00%	4.80%
Total Assets		$ 152,261	$ 151,289
Capital Expenditures		2,184	1,957	$ 1,701
Depreciation & Amortization		2,008	1,890	1,847
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales		(3,228)	(2,930)	(1,965)
Operating Income (Loss)		(174)	(133)	(107)
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Net sales		0	0	0
Operating Income (Loss)		(318)	(552)	(590)
Total Assets		6,603	10,115
Capital Expenditures		104	177	94
Depreciation & Amortization		99	152	155
Collins Aerospace Systems [Member]
Segment Reporting Information [Line Items]
Net sales		20,597	18,449	19,288
Operating Income (Loss)		$ 2,343	$ 1,759	$ 1,466
Operating Profit Margin		11.40%	9.50%	7.60%
Goodwill, Impairment Loss	$ 3,200			$ 3,200
Total Assets		$ 67,030	$ 67,564
Capital Expenditures		655	665	638
Depreciation & Amortization		742	728	736
Collins Aerospace Systems [Member] | Operating Segments
Segment Reporting Information [Line Items]
Net sales		18,956	16,990	17,910
Collins Aerospace Systems [Member] | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales		1,641	1,459	1,378
Pratt and Whitney [Member]
Segment Reporting Information [Line Items]
Net sales		20,530	18,150	16,799
Operating Income (Loss)		$ 1,075	$ 454	$ (564)
Operating Profit Margin		5.20%	2.50%	(3.40%)
Total Assets		$ 36,205	$ 33,414
Capital Expenditures		949	700	$ 565
Depreciation & Amortization		724	642	729
Pratt and Whitney [Member] | Operating Segments
Segment Reporting Information [Line Items]
Net sales		20,527	18,150	16,790
Pratt and Whitney [Member] | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales		3	0	9
Raytheon Intelligence & Space
Segment Reporting Information [Line Items]
Net sales		14,312	15,180	11,069
Operating Income (Loss)		$ 1,342	$ 1,833	$ 1,020
Operating Profit Margin		9.40%	12.10%	9.20%
Total Assets		$ 21,174	$ 21,545
Capital Expenditures		320	305	$ 218
Depreciation & Amortization		209	187	154
Raytheon Intelligence & Space | Operating Segments
Segment Reporting Information [Line Items]
Net sales		12,955	13,944	10,141
Raytheon Intelligence & Space | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales		1,357	1,236	928
Raytheon Missiles & Defense
Segment Reporting Information [Line Items]
Net sales		14,863	15,539	11,396
Operating Income (Loss)		$ 1,519	$ 2,004	$ 880
Operating Profit Margin		10.20%	12.90%	7.70%
Total Assets		$ 27,852	$ 28,766
Capital Expenditures		260	287	$ 280
Depreciation & Amortization		333	333	228
Raytheon Missiles & Defense | Operating Segments
Segment Reporting Information [Line Items]
Net sales		14,626	15,289	11,219
Raytheon Missiles & Defense | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales		237	250	177
FAS/CAS Operating Adjustment
Segment Reporting Information [Line Items]
Net sales		0	0	0
Operating Income (Loss)		1,520	1,796	1,106
Acquisition Accounting Adjustments
Segment Reporting Information [Line Items]
Net sales		0	0	0
Operating Income (Loss)		(1,893)	(2,203)	(5,100)
Depreciation & Amortization		$ 2,001	$ 2,515	$ 2,154