Business And Geographic Segment Information (Schedule Of Segment Reporting - Net Sales) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 27, 2014	Apr. 28, 2013	Apr. 27, 2014	Apr. 28, 2013
Segment Reporting Information [Line Items]
Net sales	$ 1,970	$ 1,962	$ 6,416	$ 6,329
U.S. Simple Meals [Member]
Segment Reporting Information [Line Items]
Net sales	672	627	2,426	2,356
Global Baking And Snacking [Member]
Segment Reporting Information [Line Items]
Net sales	564	568	1,812	1,703
International Simple Meals And Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	186	225	592	682
U.S. Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	190	198	539	569
Bolthouse and Foodservice [Member]
Segment Reporting Information [Line Items]
Net sales	$ 358	$ 344	$ 1,047	$ 1,019