Business And Geographic Segment Information (Schedule Of Segment Reporting - Net Sales) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	May 03, 2015	Apr. 27, 2014	May 03, 2015	Apr. 27, 2014
Segment Reporting Information [Line Items]
Net sales	$ 1,900	$ 1,970	$ 6,389	$ 6,416
U.S. Simple Meals [Member]
Segment Reporting Information [Line Items]
Net sales	630	672	2,425	2,426
Global Baking And Snacking [Member]
Segment Reporting Information [Line Items]
Net sales	555	564	1,822	1,812
International Simple Meals And Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	175	186	558	592
U.S. Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	187	190	524	539
Bolthouse and Foodservice [Member]
Segment Reporting Information [Line Items]
Net sales	$ 353	$ 358	$ 1,060	$ 1,047