Fair Value Measurements - Additional Information (Detail) (USD $) In Millions, unless otherwise specified					3 Months Ended				9 Months Ended
	Nov. 30, 2013	Feb. 23, 2013	Nov. 30, 2013 Third Quarter [Member] Fair Value, Measurements, Recurring [Member]	Dec. 01, 2012 Third Quarter [Member] Fair Value, Measurements, Recurring [Member]	Nov. 30, 2013 Third Quarter [Member] Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Dec. 01, 2012 Third Quarter [Member] Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Nov. 30, 2013 Fiscal Year [Member] Fair Value, Measurements, Recurring [Member]	Dec. 01, 2012 Fiscal Year [Member] Fair Value, Measurements, Recurring [Member]	Nov. 30, 2013 Fiscal Year [Member] Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Dec. 01, 2012 Fiscal Year [Member] Level 3 [Member] Fair Value, Measurements, Recurring [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Amount of long-lived assets			$ 14	$ 9			$ 23	$ 28
Fair value of long-lived assets			10	7			16	14
Asset impairment charge					4	2			7	14
Difference between fair value and book value of notes receivable	2	2
Difference between fair value and book value of long-term debt	$ 81	$ 57