Business And Geographic Segment Inormation (Schedule of Segment Reporting - Depreciation and Amortization) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jul. 28, 2013		Jul. 29, 2012		Jul. 31, 2011
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	$ 407		$ 262		$ 268
U.S. Simple Meals [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	146		92		93
Global Baking And Snacking [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	83		83		84
International Simple Meals And Beverages [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	23		22		24
U.S. Beverages [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	39		22		22
Bolthouse and Foodservice [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	90		14		14
Corporate [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	15	[1]	15	[1]	16	[1]
Segment, Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	$ 11		$ 14		$ 15

[1] Represents primarily corporate offices.