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Divestitures (Details) (USD $)
In Millions
12 Months Ended 3 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended 12 Months Ended
Jul. 31, 2011
Aug. 01, 2010
Aug. 02, 2009
Nov. 02, 2008
Lesieur Brand [Member]
Aug. 03, 2008
Lesieur Brand [Member]
Feb. 01, 2009
Lesieur Brand [Member]
Post Closing Adjustments [Member]
Aug. 03, 2008
Post Closing Adjustments [Member]
Godiva Chocolatier [Member]
Mar. 18, 2008
Godiva Chocolatier [Member]
Apr. 27, 2008
Godiva Chocolatier [Member]
Aug. 02, 2009
Godiva Chocolatier [Member]
Proceeds from divestiture of business       $ 36   $ 6 $ 20   $ 850  
Proceeds used to purchase company stock 728 472 527         600    
Adjustment to tax liability                   4
Pre-tax impairment charge         $ 2