Business And Geographic Segment Information (Schedule Of Segment Reporting - Earnings Before Interest And Taxes) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended						6 Months Ended
	Jan. 27, 2013		Oct. 28, 2012	Jul. 29, 2012	Jan. 29, 2012		Jan. 27, 2013		Jan. 29, 2012
Segment Reporting Information [Line Items]
Earnings before interest and taxes	$ 301				$ 329		$ 686		$ 745
Business Combination, Acquisition Related Costs			10	5			10
U.S. Simple Meals [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	191				174		465		434
Global Baking And Snacking [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	74				71		159		159
International Simple Meals And Beverages [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	54				58		101		101
U.S. Beverages [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	37				34		67		64
Bolthouse and Foodservice [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	30				28		64		55
Corporate [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	(77)	[1]			(33)	[1]	(140)	[1]	(63)	[1]
Restructuring Charges [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	(8)	[2]			(3)	[2]	(30)	[2]	(5)	[2]
2013 Initiatives [Member]
Segment Reporting Information [Line Items]
Restructuring Reserve, Accelerated Depreciation	$ 40						$ 61

[1] Represents unallocated corporate expenses. Restructuring-related costs of $40 and $61 were included in unallocated corporate expenses for the three- and six-month periods ended January 27, 2013, respectively. In addition, unallocated corporate expenses included $10 of acquisition related costs in the six-month period ended January 27, 2013

[2] See Note 7 for additional information.