Segment Financial Data (Disaggregation of Revenue) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue from External Customer [Line Items]
Net sales	$ 67,074	$ 64,388	$ 56,587
U S Government Sales Excluding Foreign Military Sales
Revenue from External Customer [Line Items]
Net sales	30,317	31,177	25,962
Foreign Military Sales Through The U S Government
Revenue from External Customer [Line Items]
Net sales	5,042	5,546	4,585
Foreign Government Direct Commercial Sales
Revenue from External Customer [Line Items]
Net sales	4,327	4,993	3,974
Commercial Aerospace And Other Commercial
Revenue from External Customer [Line Items]
Net sales	$ 27,388	$ 22,672	$ 22,066
Airbus [Member]
Revenue from External Customer [Line Items]
Percentage of Total Net Sales	14.00%	12.00%	13.00%
Operating Segments
Revenue from External Customer [Line Items]
Net sales	$ 70,302	$ 67,318	$ 58,552
Intersegment Eliminations
Revenue from External Customer [Line Items]
Net sales	(3,228)	(2,930)	(1,965)
UNITED STATES
Revenue from External Customer [Line Items]
Net sales	41,190	40,011	34,560
Europe [Member]
Revenue from External Customer [Line Items]
Net sales	11,111	9,598	8,856
Asia Pacific [Member]
Revenue from External Customer [Line Items]
Net sales	8,057	7,969	7,644
Middle East And North Africa
Revenue from External Customer [Line Items]
Net sales	3,599	4,379	3,443
Other Geographic Regions [Member]
Revenue from External Customer [Line Items]
Net sales	3,117	2,431	2,084
Products [Member]
Revenue from External Customer [Line Items]
Net sales	50,773	49,270	43,319
Services [Member]
Revenue from External Customer [Line Items]
Net sales	16,301	15,118	13,268
Collins Aerospace Systems [Member]
Revenue from External Customer [Line Items]
Net sales	20,597	18,449	19,288
Collins Aerospace Systems [Member] | U S Government Sales Excluding Foreign Military Sales
Revenue from External Customer [Line Items]
Net sales	4,337	4,685	5,159
Collins Aerospace Systems [Member] | Foreign Military Sales Through The U S Government
Revenue from External Customer [Line Items]
Net sales	238	168	218
Collins Aerospace Systems [Member] | Foreign Government Direct Commercial Sales
Revenue from External Customer [Line Items]
Net sales	978	1,095	923
Collins Aerospace Systems [Member] | Commercial Aerospace And Other Commercial
Revenue from External Customer [Line Items]
Net sales	13,403	11,042	11,610
Collins Aerospace Systems [Member] | Operating Segments
Revenue from External Customer [Line Items]
Net sales	18,956	16,990	17,910
Collins Aerospace Systems [Member] | Intersegment Eliminations
Revenue from External Customer [Line Items]
Net sales	1,641	1,459	1,378
Collins Aerospace Systems [Member] | UNITED STATES
Revenue from External Customer [Line Items]
Net sales	9,847	9,341	10,132
Collins Aerospace Systems [Member] | Europe [Member]
Revenue from External Customer [Line Items]
Net sales	5,374	4,421	4,643
Collins Aerospace Systems [Member] | Asia Pacific [Member]
Revenue from External Customer [Line Items]
Net sales	2,021	1,851	1,810
Collins Aerospace Systems [Member] | Middle East And North Africa
Revenue from External Customer [Line Items]
Net sales	474	462	421
Collins Aerospace Systems [Member] | Other Geographic Regions [Member]
Revenue from External Customer [Line Items]
Net sales	1,240	915	904
Collins Aerospace Systems [Member] | Products [Member]
Revenue from External Customer [Line Items]
Net sales	14,857	13,404	14,664
Collins Aerospace Systems [Member] | Services [Member]
Revenue from External Customer [Line Items]
Net sales	4,099	3,586	3,246
Pratt and Whitney [Member]
Revenue from External Customer [Line Items]
Net sales	20,530	18,150	16,799
Pratt and Whitney [Member] | U S Government Sales Excluding Foreign Military Sales
Revenue from External Customer [Line Items]
Net sales	5,272	5,140	5,193
Pratt and Whitney [Member] | Foreign Military Sales Through The U S Government
Revenue from External Customer [Line Items]
Net sales	1,115	1,273	1,229
Pratt and Whitney [Member] | Foreign Government Direct Commercial Sales
Revenue from External Customer [Line Items]
Net sales	474	541	583
Pratt and Whitney [Member] | Commercial Aerospace And Other Commercial
Revenue from External Customer [Line Items]
Net sales	13,666	11,196	9,785
Pratt and Whitney [Member] | Operating Segments
Revenue from External Customer [Line Items]
Net sales	20,527	18,150	16,790
Pratt and Whitney [Member] | Intersegment Eliminations
Revenue from External Customer [Line Items]
Net sales	3	0	9
Pratt and Whitney [Member] | UNITED STATES
Revenue from External Customer [Line Items]
Net sales	10,433	9,034	8,534
Pratt and Whitney [Member] | Europe [Member]
Revenue from External Customer [Line Items]
Net sales	4,211	3,488	2,726
Pratt and Whitney [Member] | Asia Pacific [Member]
Revenue from External Customer [Line Items]
Net sales	3,775	3,885	4,024
Pratt and Whitney [Member] | Middle East And North Africa
Revenue from External Customer [Line Items]
Net sales	450	441	505
Pratt and Whitney [Member] | Other Geographic Regions [Member]
Revenue from External Customer [Line Items]
Net sales	1,658	1,302	1,001
Pratt and Whitney [Member] | Products [Member]
Revenue from External Customer [Line Items]
Net sales	12,411	11,189	10,186
Pratt and Whitney [Member] | Services [Member]
Revenue from External Customer [Line Items]
Net sales	8,116	6,961	6,604
Raytheon Intelligence & Space
Revenue from External Customer [Line Items]
Net sales	14,312	15,180	11,069
Raytheon Intelligence & Space | Fixed-price Contract
Revenue from External Customer [Line Items]
Net sales	5,357	6,338	4,526
Raytheon Intelligence & Space | Time-and-materials Contract
Revenue from External Customer [Line Items]
Net sales	7,598	7,606	5,615
Raytheon Intelligence & Space | U S Government Sales Excluding Foreign Military Sales
Revenue from External Customer [Line Items]
Net sales	11,221	11,844	8,512
Raytheon Intelligence & Space | Foreign Military Sales Through The U S Government
Revenue from External Customer [Line Items]
Net sales	604	825	640
Raytheon Intelligence & Space | Foreign Government Direct Commercial Sales
Revenue from External Customer [Line Items]
Net sales	827	844	740
Raytheon Intelligence & Space | Commercial Aerospace And Other Commercial
Revenue from External Customer [Line Items]
Net sales	303	431	249
Raytheon Intelligence & Space | Operating Segments
Revenue from External Customer [Line Items]
Net sales	12,955	13,944	10,141
Raytheon Intelligence & Space | Intersegment Eliminations
Revenue from External Customer [Line Items]
Net sales	1,357	1,236	928
Raytheon Intelligence & Space | UNITED STATES
Revenue from External Customer [Line Items]
Net sales	11,418	12,126	8,704
Raytheon Intelligence & Space | Europe [Member]
Revenue from External Customer [Line Items]
Net sales	418	434	307
Raytheon Intelligence & Space | Asia Pacific [Member]
Revenue from External Customer [Line Items]
Net sales	747	771	637
Raytheon Intelligence & Space | Middle East And North Africa
Revenue from External Customer [Line Items]
Net sales	231	469	410
Raytheon Intelligence & Space | Other Geographic Regions [Member]
Revenue from External Customer [Line Items]
Net sales	141	144	83
Raytheon Intelligence & Space | Products [Member]
Revenue from External Customer [Line Items]
Net sales	10,261	10,735	7,775
Raytheon Intelligence & Space | Services [Member]
Revenue from External Customer [Line Items]
Net sales	2,694	3,209	2,366
Raytheon Missiles & Defense
Revenue from External Customer [Line Items]
Net sales	14,863	15,539	11,396
Raytheon Missiles & Defense | Fixed-price Contract
Revenue from External Customer [Line Items]
Net sales	8,763	9,406	7,080
Raytheon Missiles & Defense | Time-and-materials Contract
Revenue from External Customer [Line Items]
Net sales	5,863	5,883	4,139
Raytheon Missiles & Defense | U S Government Sales Excluding Foreign Military Sales
Revenue from External Customer [Line Items]
Net sales	9,477	9,493	6,896
Raytheon Missiles & Defense | Foreign Military Sales Through The U S Government
Revenue from External Customer [Line Items]
Net sales	3,085	3,280	2,498
Raytheon Missiles & Defense | Foreign Government Direct Commercial Sales
Revenue from External Customer [Line Items]
Net sales	2,048	2,513	1,725
Raytheon Missiles & Defense | Commercial Aerospace And Other Commercial
Revenue from External Customer [Line Items]
Net sales	16	3	100
Raytheon Missiles & Defense | Operating Segments
Revenue from External Customer [Line Items]
Net sales	14,626	15,289	11,219
Raytheon Missiles & Defense | Intersegment Eliminations
Revenue from External Customer [Line Items]
Net sales	237	250	177
Raytheon Missiles & Defense | UNITED STATES
Revenue from External Customer [Line Items]
Net sales	9,482	9,495	6,906
Raytheon Missiles & Defense | Europe [Member]
Revenue from External Customer [Line Items]
Net sales	1,108	1,255	1,031
Raytheon Missiles & Defense | Asia Pacific [Member]
Revenue from External Customer [Line Items]
Net sales	1,514	1,462	1,132
Raytheon Missiles & Defense | Middle East And North Africa
Revenue from External Customer [Line Items]
Net sales	2,444	3,007	2,077
Raytheon Missiles & Defense | Other Geographic Regions [Member]
Revenue from External Customer [Line Items]
Net sales	78	70	73
Raytheon Missiles & Defense | Products [Member]
Revenue from External Customer [Line Items]
Net sales	13,234	13,927	10,232
Raytheon Missiles & Defense | Services [Member]
Revenue from External Customer [Line Items]
Net sales	1,392	1,362	987
Other Segments [Member]
Revenue from External Customer [Line Items]
Net sales	0	0	0
Other Segments [Member] | U S Government Sales Excluding Foreign Military Sales
Revenue from External Customer [Line Items]
Net sales	10	15	202
Other Segments [Member] | Foreign Military Sales Through The U S Government
Revenue from External Customer [Line Items]
Net sales	0	0	0
Other Segments [Member] | Foreign Government Direct Commercial Sales
Revenue from External Customer [Line Items]
Net sales	0	0	3
Other Segments [Member] | Commercial Aerospace And Other Commercial
Revenue from External Customer [Line Items]
Net sales	0	0	322
Other Segments [Member] | Operating Segments
Revenue from External Customer [Line Items]
Net sales	10	15	527
Other Segments [Member] | Intersegment Eliminations
Revenue from External Customer [Line Items]
Net sales	(3,238)	(2,945)	(2,492)
Other Segments [Member] | UNITED STATES
Revenue from External Customer [Line Items]
Net sales	10	15	284
Other Segments [Member] | Europe [Member]
Revenue from External Customer [Line Items]
Net sales	0	0	149
Other Segments [Member] | Asia Pacific [Member]
Revenue from External Customer [Line Items]
Net sales	0	0	41
Other Segments [Member] | Middle East And North Africa
Revenue from External Customer [Line Items]
Net sales	0	0	30
Other Segments [Member] | Other Geographic Regions [Member]
Revenue from External Customer [Line Items]
Net sales	0	0	23
Other Segments [Member] | Products [Member]
Revenue from External Customer [Line Items]
Net sales	10	15	462
Other Segments [Member] | Services [Member]
Revenue from External Customer [Line Items]
Net sales	$ 0	$ 0	$ 65