Goodwill And Intangible Assets (Goodwill) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended				12 Months Ended		3 Months Ended	12 Months Ended					12 Months Ended
	Jul. 28, 2013	Jul. 29, 2012	Jul. 28, 2013 U.S. Simple Meals [Member]	Jul. 31, 2011 U.S. Simple Meals [Member]	Jul. 28, 2013 Global Baking And Snacking [Member]	Jul. 29, 2012 Global Baking And Snacking [Member]	Jul. 28, 2013 International Simple Meals And Beverages [Member]	Jul. 28, 2013 International Simple Meals And Beverages [Member]	Jul. 29, 2012 International Simple Meals And Beverages [Member]	Jul. 28, 2013 U.S. Beverages [Member]	Jul. 29, 2012 U.S. Beverages [Member]	Jul. 31, 2011 U.S. Beverages [Member]	Jul. 28, 2013 Bolthouse and Foodservice [Member]	Jul. 31, 2011 Bolthouse and Foodservice [Member]
Goodwill [Line Items]
Beginning Balance	$ 2,013	$ 2,133	$ 322	$ 322	$ 872	$ 914		$ 561	$ 639	$ 112	$ 112	$ 112	$ 146	$ 146
Goodwill, Acquired During Period	820		128										692
Goodwill, Impairment Loss	(360)						(360)
Assets Held-for-sale, Long Lived	(110)						(110)	(110)
Foreign currency translation adjustment	(66)	(120)			(97)	(42)		31	(78)
Ending Balance	$ 2,297	$ 2,013	$ 450	$ 322	$ 775	$ 872	$ 122	$ 122	$ 561	$ 112	$ 112	$ 112	$ 838	$ 146