Consolidated Statements of Comprehensive Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Statement of Comprehensive Income [Abstract]
Net sales	$ 22,885	$ 25,939	$ 24,175
Cost of goods sold	19,166	21,352	19,869
Gross profit	3,719	4,587	4,306
Operating expenses:
Distribution, selling and administrative costs	3,757	3,888	3,647
Restructuring costs and asset impairment charges	39	0	1
Total operating expenses	3,796	3,888	3,648
Operating (loss) income	(77)	699	658
Other (income) expense—net	(21)	4	(13)
Interest expense—net	238	184	175
(Loss) income before income taxes	(294)	511	496
Income tax (benefit) provision	(68)	126	89
Net (loss) income	(226)	385	407
Other comprehensive (loss) income—net of tax:
Changes in retirement benefit obligations	23	45	6
Unrecognized (loss) gain on interest rate swaps	(3)	(15)	5
Comprehensive (loss) income	(206)	415	418
Series A convertible preferred stock dividends	28	0	0
Net (loss) income available to common shareholders	$ (254)	$ 385	$ 407
Net (loss) income per share:
Basic	$ (1.15)	$ 1.77	$ 1.88
Diluted	$ (1.15)	$ 1.75	$ 1.87
Weighted-average common shares outstanding
Basic	220	218	216
Diluted	220	220	218