Major Component of Discontinued Operations, Net of Tax (Detail) - Discontinued Operations, Held-for-Sale - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales	$ 94	$ 168
Cost of goods sold and occupancy costs	72	136
Operating expenses	17	27
Restructuring charges		1
Other income (expense), net	(2)	1
Net (increase) reduction of loss on discontinued operations held for sale	(1)	38
Net loss on sale of discontinued operations	1
Income tax expense (benefit)	(7)	1
Discontinued operations, net of tax	$ 8	$ 42