Discontinued Operations - Summary of Company's Operating Results and Certain Other Directly Attributable Expenses (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 12, 2015	Sep. 06, 2014	Sep. 12, 2015	Sep. 06, 2014
Discontinued Operations and Disposal Groups [Abstract]
Net sales	$ 0	$ 0	$ 0	$ 0
Income before income taxes from discontinued operations	0	2	(3)	4
Income tax (benefit) provision	(2)	0	(6)	5
Income (loss) from discontinued operations, net of tax	$ 2	$ 2	$ 3	$ (1)