Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended			3 Months Ended	9 Months Ended				12 Months Ended			3 Months Ended		9 Months Ended
	Nov. 30, 2013	Dec. 01, 2012	Nov. 30, 2013	Dec. 01, 2012	Feb. 23, 2013	Dec. 01, 2012 Save-A-Lot [Member]	Dec. 01, 2012 Save-A-Lot [Member] Store	Nov. 30, 2013 Symphony Investors [Member]	Dec. 01, 2012 Level 3 [Member] Save-A-Lot [Member]	Dec. 01, 2012 Level 3 [Member] Software Support Tools [Member] Retail Food [Member]	Feb. 23, 2013 NAI Banners [Member]	Feb. 25, 2012 NAI Banners [Member]	Feb. 26, 2011 NAI Banners [Member]	Nov. 30, 2013 Continuing Operations [Member] Stock - Based Awards [Member]	Dec. 01, 2012 Continuing Operations [Member] Stock - Based Awards [Member]	Nov. 30, 2013 Discontinued Operation [Member]	Dec. 01, 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	150		150		131
Value increase in inventory by changing the method from LIFO to FIFO	209		209		211
LIFO charge recorded	1	1	(2)	5
LIFO credit recorded	2	5	2	5
Asset impairment charges			21	27					14	13
Write-off of software support tools			14
Impairment charges related to distribution centers			7
Gain on sale of property	15		15
Number of non-strategic stores closed							22
Impairment of long-lived assets related to store closures						10	22
Antidilutive securities excluded from computation of earnings per share														19	26	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			$ 176					$ 170
Ownership percentage after share issuance								21.20%
Dilutive effect on future net earnings (loss)	262	214	257	212				42
Common stock issued	260		260		230			34
Treasury stock issued								8