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. 07, 2013	Sep. 08, 2012	Sep. 07, 2013	Sep. 08, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of tax	$ 1	$ (55)	$ 191	$ 4
NAI Banners [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales		4,110	1,235	9,463
Income (loss) before income taxes from discontinued operations	3	(94)	120	(1)
Income tax provision (benefit)	2	(39)	(71)	(5)
Income (loss) from discontinued operations, net of tax	$ 1	$ (55)	$ 191	$ 4