Goodwill And Intangible Assets (Goodwill) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Feb. 01, 2015
Goodwill [Line Items]
Beginning Balance	$ 2,433
Foreign currency translation adjustment	(162)
Ending Balance	2,271
U.S. Simple Meals [Member]
Goodwill [Line Items]
Beginning Balance	450
Foreign currency translation adjustment	0
Ending Balance	450
Global Baking And Snacking [Member]
Goodwill [Line Items]
Beginning Balance	918
Foreign currency translation adjustment	(145)
Ending Balance	773
International Simple Meals And Beverages [Member]
Goodwill [Line Items]
Beginning Balance	115
Foreign currency translation adjustment	(17)
Ending Balance	98
U.S. Beverages [Member]
Goodwill [Line Items]
Beginning Balance	112
Foreign currency translation adjustment	0
Ending Balance	112
Bolthouse and Foodservice [Member]
Goodwill [Line Items]
Beginning Balance	838
Foreign currency translation adjustment	0
Ending Balance	$ 838