Condensed Consolidated Statement of Changes in Equity Statement - USD ($) shares in Thousands, $ in Millions	Total	Raytheon Company [Member]	Common Stock [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Deferred Compensation, Share-based Payments [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]
Equity	$ 40,610
Stockholders' Equity Attributable to Parent			$ 22,514	$ (32,482)	$ 57,823	$ (76)	$ (9,333)
Noncontrolling interest								$ 2,164
Common Stock issued under employee plans			372	5		9
Common Stock issued for Raytheon Company outstanding common stock and equity awards			0	0
Adjustment related to the Distributions			0		0		0	0
Sale (purchase) of subsidiary shares from noncontrolling interest, net			(1)					(3)
Redeemable noncontrolling interest fair value adjustment			(12)		7
Common Stock repurchased				(111)
Net income (loss)	4,394				4,394
Dividends on Common Stock					(1,830)
Dividends on ESOP Common Stock					(53)
ASU 2018-02 adoption impact (Note 14)					745
Stockholders' Equity, Other				0	(17)
Other comprehensive income (loss), net of tax							(741)
ASU 2018-02 adoption impact (Note 14)	$ (745)						(745)
Net Income								287
Less: Redeemable noncontrolling interest net income								7
Other comprehensive income (loss), net of tax								(14)
Dividends attributable to noncontrolling interest								(184)
Acquisition of noncontrolling interest, net								3
Capital contributions (distributions)								91
Shares of Common Stock issued under employee plans, net	2,554
Shares of Common Stock repurchased	857
Shares of Common Stock issued for Raytheon Company outstanding common stock & equity awards		0
Dividends per share of Common Stock	$ 2.210
Equity	$ 42,977
Stockholders' Equity Attributable to Parent			22,718	(32,549)	60,548	(71)	(9,892)
Noncontrolling interest								2,223
Common Stock issued under employee plans			161	1		4
Common Stock issued for Raytheon Company outstanding common stock and equity awards			0	0
Adjustment related to the Distributions			0		0		0	0
Sale (purchase) of subsidiary shares from noncontrolling interest, net			(1)					(2)
Redeemable noncontrolling interest fair value adjustment			(5)		14
Common Stock repurchased				(40)
Net income (loss)	$ 1,148				1,148
Dividends on Common Stock					(611)
Dividends on ESOP Common Stock					(17)
ASU 2018-02 adoption impact (Note 14)					0
Stockholders' Equity, Other				0	(13)
Other comprehensive income (loss), net of tax							(927)
ASU 2018-02 adoption impact (Note 14)							0
Net Income								109
Less: Redeemable noncontrolling interest net income								2
Other comprehensive income (loss), net of tax								(18)
Dividends attributable to noncontrolling interest								(39)
Acquisition of noncontrolling interest, net								3
Capital contributions (distributions)								73
Shares of Common Stock issued under employee plans, net	727
Shares of Common Stock repurchased	304
Shares of Common Stock issued for Raytheon Company outstanding common stock & equity awards		0
Dividends per share of Common Stock	$ 0.740
Equity	$ 42,819
Stockholders' Equity Attributable to Parent			22,873	(32,588)	61,069	(67)	(10,819)
Noncontrolling interest								2,351
Equity	44,231
Stockholders' Equity Attributable to Parent	41,774		23,019	(32,626)	61,594	(64)	(10,149)
Noncontrolling interest	2,457							2,457
Common Stock issued under employee plans			320	2		12
Common Stock issued for Raytheon Company outstanding common stock and equity awards			10,897	22,269
Adjustment related to the Distributions			2,598		(5,805)		3,875	(865)
Sale (purchase) of subsidiary shares from noncontrolling interest, net			(1)					66
Redeemable noncontrolling interest fair value adjustment			0		0
Common Stock repurchased				(43)
Net income (loss)	$ (3,654)				(3,654)
Dividends on Common Stock					(2,026)
Dividends on ESOP Common Stock					(38)
ASU 2018-02 adoption impact (Note 14)					0
Stockholders' Equity, Other				(9)	(54)
Other comprehensive income (loss), net of tax							(1,738)
ASU 2018-02 adoption impact (Note 14)							0
Net Income								155
Less: Redeemable noncontrolling interest net income								(2)
Other comprehensive income (loss), net of tax								0
Dividends attributable to noncontrolling interest								(80)
Acquisition of noncontrolling interest, net								1
Capital contributions (distributions)								(31)
Shares of Common Stock issued under employee plans, net	2,081
Shares of Common Stock repurchased	330
Shares of Common Stock issued for Raytheon Company outstanding common stock & equity awards		652,638
Dividends per share of Common Stock	$ 1.685
Equity	$ 68,892
Stockholders' Equity Attributable to Parent			36,735	(10,398)	49,744	(56)	(8,800)
Noncontrolling interest								1,667
Common Stock issued under employee plans			99	0		4
Common Stock issued for Raytheon Company outstanding common stock and equity awards			0	0
Adjustment related to the Distributions			0		0		0	0
Sale (purchase) of subsidiary shares from noncontrolling interest, net			(1)					0
Redeemable noncontrolling interest fair value adjustment			0		0
Common Stock repurchased				0
Net income (loss)	$ 264				264
Dividends on Common Stock					15
Dividends on ESOP Common Stock					(11)
ASU 2018-02 adoption impact (Note 14)					0
Stockholders' Equity, Other				(9)	5
Other comprehensive income (loss), net of tax							788
ASU 2018-02 adoption impact (Note 14)							0
Net Income								34
Less: Redeemable noncontrolling interest net income								(1)
Other comprehensive income (loss), net of tax								0
Dividends attributable to noncontrolling interest								0
Acquisition of noncontrolling interest, net								1
Capital contributions (distributions)								0
Shares of Common Stock issued under employee plans, net	174
Shares of Common Stock repurchased	0
Shares of Common Stock issued for Raytheon Company outstanding common stock & equity awards		0
Dividends per share of Common Stock	$ 0.475
Equity	$ 70,080
Stockholders' Equity Attributable to Parent	68,379		$ 36,833	$ (10,407)	$ 50,017	$ (52)	$ (8,012)
Noncontrolling interest	$ 1,701							$ 1,701