Leases (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Mar. 03, 2012	Feb. 26, 2011	Feb. 27, 2010
Operating Leases, Rent Expense, Net [Abstract]
Minimum rentals	$ 1,192	$ 1,141	$ 1,111
Contingent rentals	2	2	2
Total rent expense	1,194	1,143	1,113
Less: sublease income	(19)	(19)	(20)
Net rent expense	1,175	1,124	1,093
Future minimum lease payments under capital leases
2013	21
2014	21
2015	18
2016	10
2017	3
Thereafter	23
Subtotal	96
Less: imputed interest	(15)
Present value	81
Future minimum lease payments under financing leases
2013	32
2014	31
2015	29
2016	25
2017	20
Thereafter	43
Subtotal	180
Less: imputed interest	(31)
Present value	149
Future minimum lease payments under operating leases
2013	1,216
2014	1,154
2015	1,063
2016	940
2017	792
Thereafter	2,352
Subtotal	7,517
Minimum sublease rent income excluded from minimum lease payments	121
Information system and real estate capital leases, agreements' amount	$ 18	$ 52

The total of contractually required rental payments on financing leases.

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Contractually required rental payments on financing leases, due within one year as of the balance sheet date.

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Contractually required rental payments on financing leases, due within the fifth year from the balance sheet date.

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Contractually required rental payments on financing leases, due within the fourth year from the balance sheet date.

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Contractually required rental payments on financing leases, due within the third year from the balance sheet date.

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Contractually required rental payments on financing leases, due within the second year from the balance sheet date.

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Contractually required rental payments on financing leases, after the fifth year from the balance sheet date.

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Amount necessary to reduce net minimum lease payments to present value calculated at the lesser of an interest rate implicit in the financing lease (if known) or the entity's incremental borrowing rate (as defined) at inception of the financing lease.

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The discounted value of future cash flows under financing leases.

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Represents the amount of agreements entered into during the period related to various information system and real estate capital leases.

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The total of contractually required rental payments on leases meeting the criteria for capitalization.

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Amount necessary to reduce net minimum lease payments to present value calculated at the lesser of the interest rate implicit in the lease (if known) or the entity's incremental borrowing rate (as defined) at inception of the lease.

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The discounted value of future cash flows under leases meeting the criteria for capitalization.

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Minimum payments receivable in the future under noncancelable subleases.

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Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

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The total of future contractually required payments on leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within one year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fifth year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fourth year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the third year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the second year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due after the fifth year from the balance sheet date on leases defined as operating.

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The increases or decreases in lease payments that result from changes occurring after the inception of the lease in the factors (other than the passage of time) on which lease payments are based, except that any escalation of minimum lease payments relating to increases in construction or acquisition cost of the leased property or for increases in some measure of cost or value during the construction or preconstruction period, are excluded from contingent rentals. Contingent rentals also may include amounts for which the triggering events have not yet occurred or the specified targets for which have not yet been achieved (such as sales based percentage rent), but which events are considered probable of occurring or which specified targets are considered probable of being achieved.

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This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases.

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