China Store Closings (Narrative) (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