Major Component of Discontinued Operations, Net of Tax (Detail) - Discontinued Operations, Held-for-Sale - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales	$ 21	$ 119	$ 115	$ 287
Cost of goods sold and occupancy costs	16	97	88	233
Operating expenses	4	26	21	52
Restructuring charges	1	1	1	2
Other income (expense), net	1		(1)
Net (increase) reduction of loss on discontinued operations held for sale		(2)	(1)	45
Pre-tax gain (loss) on sale of discontinued operations	(3)	13	(4)	3
Income tax expense (benefit)	1	3	(6)	3
Discontinued operations, net of tax	$ (3)	$ 3	$ 5	$ 45