ACCUMULATED OTHER COMPREHENSIVE LOSS ("AOCI") (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jan. 03, 2020	Dec. 31, 2021	Jan. 01, 2021	Jun. 28, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 3,363	$ 20,841	$ 22,744	$ 3,278
Other comprehensive (loss) income, before income taxes		946	(443)
Income taxes		(254)	115
Other comprehensive (loss) income before reclassifications to earnings, net of income taxes	186	692	(328)	(505)
Losses (gains) reclassified to earnings		1	(6)
Income taxes		0	3
Losses (gains) reclassified to earnings, net of income taxes	13	1	(3)	0
Other comprehensive income (loss)	199	693	(331)	(505)
Ending balance	22,744	19,319	20,841	3,363
Foreign currency translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance		(58)	(81)
Other comprehensive (loss) income, before income taxes		(63)	16
Income taxes		0	0
Other comprehensive (loss) income before reclassifications to earnings, net of income taxes		(63)	16
Losses (gains) reclassified to earnings		3	7
Income taxes		0	0
Losses (gains) reclassified to earnings, net of income taxes		3	7
Other comprehensive income (loss)		(60)	23
Ending balance	(81)	(118)	(58)
Net unrealized losses on hedging derivatives
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance		(80)	(55)
Other comprehensive (loss) income, before income taxes		(4)	(41)
Income taxes		1	10
Other comprehensive (loss) income before reclassifications to earnings, net of income taxes		(3)	(31)
Losses (gains) reclassified to earnings		(8)	8
Income taxes		2	(2)
Losses (gains) reclassified to earnings, net of income taxes		(6)	6
Other comprehensive income (loss)		(9)	(25)
Ending balance	(55)	(89)	(80)
Unrecognized postretirement obligations
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance		(701)	(372)
Other comprehensive (loss) income, before income taxes		1,013	(418)
Income taxes		(255)	105
Other comprehensive (loss) income before reclassifications to earnings, net of income taxes		758	(313)
Losses (gains) reclassified to earnings		6	(21)
Income taxes		(2)	5
Losses (gains) reclassified to earnings, net of income taxes		4	(16)
Other comprehensive income (loss)		762	(329)
Ending balance	(372)	61	(701)
Total AOCI
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(707)	(839)	(508)	(202)
Other comprehensive income (loss)	199	693	(331)	(505)
Ending balance	$ (508)	$ (146)	$ (839)	$ (707)