Goodwill And Intangible Assets (Goodwill) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jan. 27, 2013
Goodwill [Line Items]
Beginning Balance	$ 2,013
Goodwill, Acquired During Period	695
Foreign currency translation adjustment	35
Ending Balance	2,743
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	(4)
Ending Balance	868
International Simple Meals And Beverages [Member]
Goodwill [Line Items]
Beginning Balance	561
Goodwill, Acquired During Period
Foreign currency translation adjustment	39
Ending Balance	600
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