Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended			6 Months Ended	12 Months Ended			3 Months Ended		6 Months Ended
	Sep. 07, 2013	Sep. 08, 2012	Sep. 07, 2013	Sep. 08, 2012	Feb. 23, 2013	Sep. 07, 2013 Symphony Investors [Member]	Feb. 23, 2013 NAI Banners [Member]	Feb. 25, 2012 NAI Banners [Member]	Feb. 26, 2011 NAI Banners [Member]	Sep. 07, 2013 Continuing Operations [Member] Stock - Based Awards [Member]	Sep. 08, 2012 Continuing Operations [Member] Stock - Based Awards [Member]	Sep. 07, 2013 Discontinued Operation [Member]	Sep. 08, 2012 Discontinued Operation [Member]
Significant Accounting Policies [Line Items]
Number of weeks in first quarter			16 weeks
Number of weeks in second, third and fourth quarter			12 weeks
Historical fees recognized under the existing TSA as a reduction of selling and administrative expenses							$ 42	$ 47	$ 50
Net book overdrafts	148		148		131
Value increase in inventory by changing the method from LIFO to FIFO	210		210		211
LIFO charge recorded	2	2	(1)	4
LIFO credit recorded	1	1	4	4
Asset impairment Charges			14
Gain on sale of property	14		14
Antidilutive securities excluded from computation of earnings per share										20	25	21	21
Accumulated other comprehensive loss			48
Percentage on issued and outstanding common stock						30.00%
Common stock Purchase price						$ 4.00
Validly tendered shares						12
Percentage on issued and outstanding common stock						5.50%
Tender offer expiration date						Mar. 20, 2013
Additional common stock issued						42
Percentage of outstanding shares						19.90%
Tender offer price per share						$ 4.00
Cash proceeds from the issuance of shares			$ 175			$ 170
Ownership percentage after share issuance						21.20%
Dilutive effect on future net earnings (loss)	261	212	255	212		42
Common stock issued	259		259		230	34
Treasury stock issued						8