Income Taxes - Difference Between Actual Tax Provision and Tax Provision Computed by Applying Statutory Federal Income Tax Rate to Losses Before Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Feb. 23, 2013	Feb. 25, 2012	Feb. 26, 2011
Income Tax Disclosure [Abstract]
Federal taxes based on statutory rate	$ (149)	$ (53)	$ (91)
State income taxes, net of federal benefit	(13)	(9)	(5)
Goodwill and intangible asset impairment		32	40
Tax contingency	1	(5)	3
Change in valuation allowance	(3)	(5)
Other	1	(1)	(7)
Total income tax benefit	$ (163)	$ (41)	$ (60)

Income Taxes - Difference Between Actual Tax Provision and Tax Provision Computed by Applying Statutory Federal Income Tax Rate to Losses Before Income Taxes (Detail) (USD $)
In Millions, unless otherwise specified

12 Months Ended

Feb. 23, 2013

Feb. 25, 2012

Feb. 26, 2011

Income Tax Disclosure [Abstract]

Federal taxes based on statutory rate

$ (149)

$ (53)

$ (91)

State income taxes, net of federal benefit

(13)

(9)

(5)

Goodwill and intangible asset impairment

Tax contingency

(5)

Change in valuation allowance

(3)

(5)

Other

(1)

(7)

Total income tax benefit

$ (163)

$ (41)

$ (60)

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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-Name Accounting Standards Codification

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible impairment losses under enacted tax laws.

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The sum of other amounts reflected in the reconciliation of the statutory tax provision (benefit) to the actual tax provision (benefit).

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to state and local income tax expense or benefit.

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The sum of the differences between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in all income tax contingencies, whether recorded or adjusted, during the period.

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