Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 22, 2014	Feb. 23, 2013	Feb. 25, 2012
Income Tax Disclosure [Abstract]
Net deferred tax asset	$ 238	$ 334
Long-term deferred tax assets	287	345
Current deferred tax liabilities	49	11
State net operating loss carryforwards	475
State net operating loss carryforwards expiration dates	Expire beginning in 2015 and continuing through 2033
Valuation allowance	16
Capital loss expiration date	2019
Unrecognized tax benefits that would impact effective tax rate if recognized	48	60	67
Unrecognized tax benefits expects to resolve within the next 12 months	8
Recognized expense related to interest and penalties	4	0	0
Unrecognized tax benefits, related to accrued interest and penalties	31	60
Payments of interest and penalties	$ 14	$ 0