Discontinued Operations - Summary of Company's Operating Results and Certain Other Directly Attributable Expenses (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 06, 2014	Sep. 07, 2013	Sep. 06, 2014	Sep. 07, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of tax			$ (1)	$ 191
NAI Banners [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales				1,235
Income before income taxes from discontinued operations	2	3	4	120
Income tax provision (benefit)		2	5	(71)
Income (loss) from discontinued operations, net of tax	$ 2	$ 1	$ (1)	$ 191