Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			3 Months Ended	12 Months Ended
	Mar. 03, 2012 M Y segments	Feb. 26, 2011	Feb. 27, 2010	Mar. 03, 2012 International [Member]	Mar. 03, 2012 International [Member]	Feb. 26, 2011 International [Member]	Mar. 03, 2012 Restructuring Program 2012 [Member]
Description of Business [Abstract]
Number of operating segments	2
Basis of Presentation [Abstract]
Reporting period lag for consolidation of financial results (in months)	2 months
Restructuring charges							$ 82
Goodwill impairment	1,207	0	0	1,207	1,207	0
Fiscal Year [Abstract]
Number of Weeks in Fiscal Year	P53W	P52W	P52W
Cash and Cash Equivalents [Abstract]
Maximum term of original maturity to classify instrument as cash equivalents (in months)	3
Cash Equivalents	343	120
Weighted-average interest rate on cash equivalents (as a percent)	0.10%	0.30%
Outstanding checks in excess of funds on deposit	80	57
Receivables [Abstract]
Allowances for uncollectible receivables	72	107
Restricted Cash and Investments [Abstract]
Restricted cash and investments in debt securities	461	490
Property, Plant and Equipment [Abstract]
Carrying value of property under capital lease	69	74
Accumulated depreciation	60	45
Impairment of Long-Lived Assets and Costs Associated with Exit Activities [Abstract]
Obligation associated with location closings	138	76
Leases [Abstract]
Term of lease agreements, low end of the range (in years)	10
Term of lease agreement, high end of the range (in years)	20
Deferred rent, current	42	34
Deferred rent, noncurrent	317	343
Insurance [Abstract]
Self-insured liabilities included in accrued liabilities	77	81
Self-insured liabilities included in long-term liabilities	47	49
Total insured liabilities	124	130
Foreign Currency [Abstract]
Use of prior months' exchange rate to align operations reported (in months)	2
Revenue Recognition [Abstract]
Sales returns reserve	18	15
Term of extended warranties, low end of the range (in months)	3
Term of extended warranties, high end of the range (in years)	4
Percentage of commissions on sale of extended warranties to revenue (as a percent)	2.70%	2.60%	2.70%
Deferred revenue	565	499
Gift Cards [Abstract]
Historical period used to determine the likelihood of a gift card remaining unredeemed (in months)	24
Gift card breakage income	54	51	41
Credit Services and Financing [Abstract]
Private label promotional credit card financing rate description	low- or zero
Sales Incentives [Abstract]
Number of ways members may participate and earn loyalty points	2
Period of expiration for customer loyalty certificates, low end of range	3 months
Period of expiration for customer loyalty certificates, high end of range	6 months
Period of expiration for customer loyalty certificates, credit card, low end of range	3 months
Period of expiration for customer loyalty certificates, credit card, high end of range	6 months
Vendor Allowances [Abstract]
Vendor allowances received to promote and sell a vendor's products	33	69	139
Marketing and Advertising Expense [Abstract]
Net advertising expenses	995	862	709
Allowances received from vendors for advertising	$ 98