Business And Geographic Segment Information Business And Geographic Segment Inormation (Schedule of Segment Reporting - Depreciation and Amortization)(Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Aug. 03, 2014		Jul. 28, 2013		Jul. 29, 2012
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 305		$ 407		$ 262
U.S. Simple Meals [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	77		146		92
Global Baking And Snacking [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	93		83		83
International Simple Meals And Beverages [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	19		23		22
U.S. Beverages [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	21		39		22
Bolthouse and Foodservice [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	80		90		14
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	15	[1]	15	[1]	15	[1]
Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 0		$ 11		$ 14

[1] Represents primarily corporate offices.