CONSOLIDATED STATEMENTS OF EQUITY - USD ($)	Total	Common stock [Member]	Additional paid-In capital [Member]	Accumulated other comprehensive income (loss) [Member]	Retained Earnings [Member]	Total Raytheon Company stockholders' equity [Member]	Noncontrolling interest in subsidiaries(1) [Member]	[1]
Beginning Balance at Dec. 31, 2016	$ 10,157,000,000	$ 3,000,000	$ 0	$ (7,411,000,000)	$ 17,565,000,000	$ 10,157,000,000	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Raytheon Company	2,024,000,000				2,024,000,000	2,024,000,000
Net income (loss) excluding redeemable noncontrolling interest	2,024,000,000						0
Other comprehensive income (loss), net of tax	(524,000,000)			(524,000,000)		(524,000,000)
Adjustment of redeemable noncontrolling interests to redemption value	(41,000,000)				(41,000,000)	(41,000,000)
Dividends declared	(927,000,000)		2,000,000		(929,000,000)	(927,000,000)
Common stock plans activity	159,000,000		159,000,000			159,000,000
Share repurchases	(885,000,000)		(161,000,000)		(724,000,000)	(885,000,000)
Ending Balance at Dec. 31, 2017	9,963,000,000	3,000,000	0	(7,935,000,000)	17,895,000,000	9,963,000,000	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Raytheon Company	2,909,000,000				2,909,000,000	2,909,000,000
Net income (loss) excluding redeemable noncontrolling interest	2,909,000,000						0
Other comprehensive income (loss), net of tax	768,000,000			768,000,000		768,000,000
Reclassification of stranded tax effects	0			(1,451,000,000)	1,451,000,000	0
Adjustment of redeemable noncontrolling interests to redemption value	73,000,000				73,000,000	73,000,000
Dividends declared	(989,000,000)		2,000,000		(991,000,000)	(989,000,000)
Common stock plans activity	166,000,000		166,000,000			166,000,000
Share repurchases	(1,418,000,000)		(168,000,000)		(1,250,000,000)	(1,418,000,000)
Ending Balance at Dec. 31, 2018	11,472,000,000	3,000,000	0	(8,618,000,000)	20,087,000,000	11,472,000,000	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Raytheon Company	3,343,000,000				3,343,000,000	3,343,000,000
Net income (loss) excluding redeemable noncontrolling interest	3,343,000,000						0
Other comprehensive income (loss), net of tax	(642,000,000)			(642,000,000)		(642,000,000)
Adjustment of redeemable noncontrolling interests to redemption value	1,000,000				1,000,000	1,000,000
Acquisition of redeemable noncontrolling interest	(200,000,000)		(75,000,000)		(125,000,000)	(200,000,000)
Dividends declared	(1,052,000,000)		2,000,000		(1,054,000,000)	(1,052,000,000)
Common stock plans activity	170,000,000		170,000,000			170,000,000
Share repurchases	(869,000,000)		(97,000,000)		(772,000,000)	(869,000,000)
Ending Balance at Dec. 31, 2019	$ 12,223,000,000	$ 3,000,000	$ 0	$ (9,260,000,000)	$ 21,480,000,000	$ 12,223,000,000	$ 0

[1] Excludes redeemable noncontrolling interests which are not considered equity. See “Note 11: Redeemable Noncontrolling Interests” for additional information