Income Taxes (Components of Deferred Tax Assets And Liabilities) (Detail) (Details) (USD $) In Millions, unless otherwise specified	Aug. 31, 2014	Sep. 01, 2013
Income Tax Disclosure [Abstract]
Equity compensation	$ 85	$ 80
Deferred income/membership fees	98	130
Accrued liabilities and reserves	607	530
Other	19	42
Property and equipment	(529)	(558)
Merchandise inventories	(193)	(190)
Net deferred tax assets	$ 87	$ 34

Deferred tax assets deferred income and membership fees.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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