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China Store Closings (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Oct. 28, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 165
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	10
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 155

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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