Segment Financial Data (Segment Operating Performance) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenues	$ 16,314	$ 15,880	$ 32,030	$ 31,131
Operating profit	$ 1,353	$ 1,282	$ 2,433	$ 2,295
Operating Profit Margin	8.30%	8.10%	7.60%	7.40%
Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 17,108	$ 16,615	$ 33,560	$ 32,573
Operating profit	$ 1,511	$ 1,565	$ 2,867	$ 2,783
Operating Profit Margin	8.80%	9.40%	8.50%	8.50%
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	$ (794)	$ (735)	$ (1,530)	$ (1,442)
Operating profit	(47)	(40)	(81)	(71)
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Operating profit	(42)	(149)	(178)	(230)
Collins Aerospace Systems [Member]
Segment Reporting Information [Line Items]
Revenues	5,011	4,545	9,835	8,915
Operating profit	$ 546	$ 506	$ 986	$ 820
Operating Profit Margin	10.90%	11.10%	10.00%	9.20%
Collins Aerospace Systems [Member] | Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 4,607	$ 4,173	$ 9,072	$ 8,211
Collins Aerospace Systems [Member] | Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	404	372	763	704
Pratt & Whitney [Member]
Segment Reporting Information [Line Items]
Revenues	4,969	4,280	9,498	8,310
Operating profit	$ 302	$ 112	$ 453	$ 132
Operating Profit Margin	6.10%	2.60%	4.80%	1.60%
Pratt & Whitney [Member] | Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 4,969	$ 4,280	$ 9,498	$ 8,310
Pratt & Whitney [Member] | Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Raytheon Intelligence & Space [Member]
Segment Reporting Information [Line Items]
Revenues	3,570	3,805	7,142	7,570
Operating profit	$ 315	$ 415	$ 693	$ 803
Operating Profit Margin	8.80%	10.90%	9.70%	10.60%
Raytheon Intelligence & Space [Member] | Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 3,245	$ 3,501	$ 6,498	$ 6,946
Raytheon Intelligence & Space [Member] | Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	325	304	644	624
Raytheon Missiles & Defense
Segment Reporting Information [Line Items]
Revenues	3,558	3,985	7,085	7,778
Operating profit	$ 348	$ 532	$ 735	$ 1,028
Operating Profit Margin	9.80%	13.40%	10.40%	13.20%
Raytheon Missiles & Defense | Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 3,493	$ 3,918	$ 6,958	$ 7,648
Raytheon Missiles & Defense | Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	65	67	127	130
FAS/CAS Operating Adjustment | Segment Reconciling Items
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Operating profit	379	425	757	848
Acquisition accounting adjustment member | Segment Reconciling Items
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Operating profit	$ (448)	$ (519)	$ (932)	$ (1,035)