Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended											0 Months Ended				12 Months Ended
	Aug. 03, 2014	Jul. 28, 2013	Jul. 29, 2012	Aug. 03, 2014 Minimum [Member]	Aug. 03, 2014 Maximum [Member]	Aug. 03, 2014 Bolthouse and Foodservice [Member]	Jul. 28, 2013 Bolthouse and Foodservice [Member]	Aug. 03, 2014 U.S. Simple Meals [Member]	Jul. 28, 2013 U.S. Simple Meals [Member]	Aug. 03, 2014 International Simple Meals And Beverages [Member]	Jul. 28, 2013 International Simple Meals And Beverages [Member]	Aug. 08, 2013 Kelsen [Member]	Aug. 06, 2012 Bolthouse Farms [Member]	Jun. 13, 2013 Plum [Member]	Jul. 28, 2013 Discontinued Operations [Member]	Jul. 28, 2013 Discontinued Operations [Member] International Simple Meals And Beverages [Member]	Jul. 29, 2012 Discontinued Operations [Member] International Simple Meals And Beverages [Member]
Finite-Lived Intangible Assets [Line Items]
Payments to Acquire Businesses, Gross												$ 331	$ 1,550	$ 249
Goodwill, Acquired During Period	140	820				0	692	0	128	0	0
Payments To Acquire Business Net Of Purchase Price Adjustments													1,561
Goodwill, Impairment Loss		360					0		0							360
Goodwill															110
Disposal Group, Including Discontinued Operation, Intangible Assets, Net															150	150
Amortization of Intangible Assets	18	14	1
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	18
Finite-Lived Intangible Assets, Amortization Expense, Year Two	18
Finite Lived Intangible Assets, Amortization Expense, Year Three	18
Finite Lived Intangible Assets, Amortization Expense, Year Four	14
Finite Lived Intangible Assets, Amortization Expense, Year Five	14
Finite-Lived Intangible Asset, Useful Life				5 years	20 years
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)																$ 36	$ 3