Major Component of Discontinued Operations, Net of Tax (Detail) - Discontinued Operations, Held-for-Sale - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales	$ 115	$ 512
Cost of goods sold and occupancy costs	88	411
Operating expenses	21	102
Restructuring charges	1	2
Interest income		1
Other expense, net	(1)
Net (increase) reduction of loss on discontinued operations held for sale	(1)	44
Net gain (loss) on sale of discontinued operations	(4)	4
Income tax expense (benefit)	(6)	11
Discontinued operations, net of tax	$ 5	$ 35