Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Statement of Comprehensive Income [Abstract]
Net sales	$ 6,295	$ 6,339
Cost of goods sold	5,292	5,273
Gross profit	1,003	1,066
Operating expenses:
Distribution, selling and administrative costs	972	1,192
Restructuring Costs	3	0
Total operating expenses	975	1,192
Operating income (loss)	28	(126)
Other income—net	(7)	(6)
Interest expense—net	54	52
Loss on extinguishment of debt	23	0
Loss before income taxes	(42)	(172)
Income tax benefit	(18)	(40)
Net loss	(24)	(132)
Other comprehensive loss—net of tax:
Changes in retirement benefit obligations	0	0
Unrecognized gain (loss) on interest rate swaps	2	(6)
Comprehensive loss	(22)	(138)
Net loss	(24)	(132)
Series A convertible preferred stock dividends	15	0
Net loss available to common shareholders	$ (39)	$ (132)
Net loss per share
Basic	$ (0.18)	$ (0.60)
Diluted	$ (0.18)	$ (0.60)
Weighted-average common shares outstanding
Basic	221	219
Diluted	221	219