Business And Geographic Segment Information (Schedule Of Segment Reporting - Net Sales) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Aug. 03, 2014	Apr. 27, 2014	Jan. 26, 2014	Oct. 27, 2013	Jul. 28, 2013	Apr. 28, 2013	Jan. 27, 2013	Oct. 28, 2012	Aug. 03, 2014	Jul. 28, 2013	Jul. 29, 2012
Segment Reporting Information [Line Items]
Net sales	$ 1,852	$ 1,970	$ 2,281	$ 2,165	$ 1,723	$ 1,962	$ 2,162	$ 2,205	$ 8,268	$ 8,052	$ 7,175
U.S. Simple Meals [Member]
Segment Reporting Information [Line Items]
Net sales									2,944	2,849	2,726
Global Baking And Snacking [Member]
Segment Reporting Information [Line Items]
Net sales									2,440	2,273	2,193
International Simple Meals And Beverages [Member]
Segment Reporting Information [Line Items]
Net sales									780	869	872
U.S. Beverages [Member]
Segment Reporting Information [Line Items]
Net sales									723	742	774
Bolthouse and Foodservice [Member]
Segment Reporting Information [Line Items]
Net sales									$ 1,381	$ 1,319	$ 610