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				12 Months Ended
	Feb. 01, 2015		Jan. 26, 2014		Feb. 01, 2015		Jan. 26, 2014		Aug. 03, 2014	Jul. 28, 2013
Segment Reporting Information [Line Items]
Earnings before interest and taxes	$ 312		$ 361		$ 680		$ 666
2013 Initiatives [Member] | Cost Of Products Sold [Member]
Segment Reporting Information [Line Items]
Restructuring and Related Cost, Incurred Cost							2		3	91
U.S. Simple Meals [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	170		214		412		425
Global Baking And Snacking [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	107		88		197		166
International Simple Meals And Beverages [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	26		38		42		58
U.S. Beverages [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	20		31		46		55
Bolthouse and Foodservice [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	26		36		48		65
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	(37)	[1]	(33)	[1]	(65)	[1]	(69)	[1]
Corporate, Non-Segment [Member] | Foreign Exchange Contract [Member]
Segment Reporting Information [Line Items]
Derivatives (Gain) Loss							9
Restructuring Charges [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	$ 0	[2]	$ (13)	[2]	$ 0	[2]	$ (34)	[2]

[1] Represents unallocated corporate expenses. Restructuring-related costs of $2 and a loss of $9 on foreign exchange forward contracts related to the sale of the European simple meals business were included in the six-month period ended January 26, 2014.

[2] See Note 8 for additional information.