CONDENSED CONSOLIDATED STATEMENT OF EQUITY - USD ($) $ in Millions	Total	Common Stock	Other Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Non-controlling Interests
Beginning balance at Dec. 28, 2018	$ 3,412	$ 118	$ 1,681	$ 1,824	$ (211)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	946			940		6
Other comprehensive gain (loss)	(545)				(545)
Shares issued for L3Harris Merger	19,800	104	19,696
Shares issued under stock incentive plans	127	2	125
Shares issued under defined contribution plans	91	1	90
Share-based compensation expense	122		122
Tax withholding payments on share-based awards	(88)		(88)
Repurchases and retirement of common stock	(750)	(3)	(336)	(411)
Cash dividends	(334)			(334)
Fair value of noncontrolling interests recognized in purchase accounting	151					151
Other, including distributions to noncontrolling interests	(7)		(2)			(5)
Ending balance at Sep. 27, 2019	22,925	222	21,288	2,019	(756)	152
Beginning balance at Jun. 28, 2019	3,363	119	1,778	2,173	(707)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	435			429		6
Other comprehensive gain (loss)	(49)				(49)
Shares issued for L3Harris Merger	19,800	104	19,696
Shares issued under stock incentive plans	95	2	93
Shares issued under defined contribution plans	48		48
Share-based compensation expense	94		94
Tax withholding payments on share-based awards	(83)		(83)
Repurchases and retirement of common stock	(750)	(3)	(336)	(411)
Cash dividends	(172)			(172)
Fair value of noncontrolling interests recognized in purchase accounting	151					151
Other, including distributions to noncontrolling interests	(7)		(2)			(5)
Ending balance at Sep. 27, 2019	22,925	222	21,288	2,019	(756)	152
Beginning balance at Jan. 03, 2020	22,744	218	20,694	2,183	(508)	157
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	902			926		(24)
Other comprehensive gain (loss)	(82)				(82)
Shares issued under stock incentive plans	39	1	38
Shares issued under defined contribution plans	168	1	167
Share-based compensation expense	71		71
Tax withholding payments on share-based awards	(2)		(2)
Repurchases and retirement of common stock	(1,850)	(10)	(1,659)	(181)
Cash dividends	(546)			(546)
Other, including distributions to noncontrolling interests	(5)		1	1		(7)
Ending balance at Oct. 02, 2020	21,439	210	19,310	2,383	(590)	126
Beginning balance at Jul. 03, 2020	22,226	216	20,260	2,250	(624)	124
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	430			426		4
Other comprehensive gain (loss)	34				34
Shares issued under stock incentive plans	2		2
Shares issued under defined contribution plans	46	1	45
Share-based compensation expense	31		31
Tax withholding payments on share-based awards	(1)		(1)
Repurchases and retirement of common stock	(1,150)	(7)	(1,028)	(115)
Cash dividends	(179)			(179)
Other, including distributions to noncontrolling interests	0		1	1		(2)
Ending balance at Oct. 02, 2020	$ 21,439	$ 210	$ 19,310	$ 2,383	$ (590)	$ 126