Goodwill And Intangible Assets (Goodwill) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Oct. 28, 2012
Goodwill [Line Items]
Beginning Balance	$ 2,013
Goodwill, Acquired During Period	695
Foreign currency translation adjustment	13
Ending Balance	2,721
U.S. Simple Meals [Member]
Goodwill [Line Items]
Beginning Balance	322
Goodwill, Acquired During Period
Foreign currency translation adjustment
Ending Balance	322
Global Baking And Snacking [Member]
Goodwill [Line Items]
Beginning Balance	872
Goodwill, Acquired During Period
Foreign currency translation adjustment	(9)
Ending Balance	863
International Simple Meals And Beverages [Member]
Goodwill [Line Items]
Beginning Balance	561
Goodwill, Acquired During Period
Foreign currency translation adjustment	22
Ending Balance	583
U.S. Beverages [Member]
Goodwill [Line Items]
Beginning Balance	112
Goodwill, Acquired During Period
Foreign currency translation adjustment
Ending Balance	112
Bolthouse and Foodservice [Member]
Goodwill [Line Items]
Beginning Balance	146
Goodwill, Acquired During Period	695
Foreign currency translation adjustment
Ending Balance	$ 841