Business And Geographic Segment Information Business And Geographic Segment Inormation (Schedule of Segment Reporting - Depreciation and Amortization)(Details) - USD ($) $ in Millions		12 Months Ended
		Aug. 02, 2015	Aug. 03, 2014	Jul. 28, 2013
Segment Reporting Information [Line Items]
Depreciation and amortization		$ 303	$ 305	$ 407
U.S. Simple Meals [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization		80	77	146
Global Baking And Snacking [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization		87	93	83
International Simple Meals And Beverages [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization		18	19	23
U.S. Beverages [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization		22	21	39
Bolthouse and Foodservice [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization		80	80	90
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	[1]	16	15	15
Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization		$ 0	$ 0	$ 11

[1] Represents primarily corporate offices.