Business And Geographic Segment Information (Schedule Of Segment Reporting - Depreciation And Amortization) (Details) (USD $) In Millions	12 Months Ended
	Jul. 31, 2011		Aug. 01, 2010		Aug. 02, 2009
Depreciation and Amortization	$ 268		$ 251		$ 264
U.S. Simple Meals [Member]
Depreciation and Amortization	87		86		86
U.S. Beverages [Member]
Depreciation and Amortization	20		21		15
Global Baking And Snacking [Member]
Depreciation and Amortization	82		75		71
International Simple Meals And Beverages [Member]
Depreciation and Amortization	42		35		41
North America Foodservice [Member]
Depreciation and Amortization	13		13		28
Corporate [Member]
Depreciation and Amortization	$ 24	[1]	$ 21	[1]	$ 23	[1]

[1] Represents unallocated corporate expenses and unallocated assets.