Restructuring Charges (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended																							22 Months Ended	12 Months Ended				22 Months Ended									12 Months Ended	22 Months Ended							3 Months Ended	12 Months Ended		37 Months Ended	12 Months Ended		37 Months Ended																	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	Aug. 03, 2014 2014 Initiatives [Member]	Aug. 03, 2014 2014 Initiatives [Member] Other Restructuring [Member]		Aug. 03, 2014 2014 Initiatives [Member] North America and Asia Pacific [Member]	Aug. 03, 2014 2014 Initiatives [Member] CHINA	Aug. 03, 2014 2014 Initiatives [Member] Australia [Member]	Aug. 03, 2014 2014 Initiatives [Member] U.S. Simple Meals [Member]	Aug. 03, 2014 2014 Initiatives [Member] U.S. Simple Meals [Member] Other Restructuring [Member]	Aug. 03, 2014 2014 Initiatives [Member] Global Baking And Snacking [Member]	Aug. 03, 2014 2014 Initiatives [Member] Global Baking And Snacking [Member] Other Restructuring [Member]	Aug. 03, 2014 2014 Initiatives [Member] Corporate, Non-Segment [Member]	Aug. 03, 2014 2014 Initiatives [Member] Corporate, Non-Segment [Member] Other Restructuring [Member]	Aug. 03, 2014 2014 Initiatives [Member] International Simple Meals And Beverages [Member]	Aug. 03, 2014 2014 Initiatives [Member] International Simple Meals And Beverages [Member] Other Restructuring [Member]	Aug. 03, 2014 2014 Initiatives [Member] U.S. Beverages [Member]	Aug. 03, 2014 2014 Initiatives [Member] U.S. Beverages [Member] Other Restructuring [Member]	Aug. 03, 2014 2014 Initiatives [Member] Bolthouse and Foodservice [Member]	Aug. 03, 2014 2014 Initiatives [Member] Bolthouse and Foodservice [Member] Other Restructuring [Member]	Aug. 03, 2014 2013 Initiatives [Member]	Jul. 28, 2013 2013 Initiatives [Member]	Aug. 03, 2014 2013 Initiatives [Member]	Aug. 03, 2014 2013 Initiatives [Member] Other Restructuring [Member]		Jul. 28, 2013 2013 Initiatives [Member] Other Restructuring [Member]		Aug. 03, 2014 2013 Initiatives [Member] Other Restructuring [Member]	Aug. 03, 2014 2013 Initiatives [Member] Sacramento, CA [Member]	Aug. 03, 2014 2013 Initiatives [Member] South Plainfield, NJ [Member]	Aug. 03, 2014 2013 Initiatives [Member] MEXICO	Aug. 03, 2014 2013 Initiatives [Member] UNITED STATES	Aug. 03, 2014 2013 Initiatives [Member] U.S. Simple Meals [Member]	Aug. 03, 2014 2013 Initiatives [Member] U.S. Simple Meals [Member] Other Restructuring [Member]	Aug. 03, 2014 2013 Initiatives [Member] Global Baking And Snacking [Member]	Aug. 03, 2014 2013 Initiatives [Member] Global Baking And Snacking [Member] Other Restructuring [Member]	Aug. 03, 2014 2013 Initiatives [Member] Corporate, Non-Segment [Member] Other Restructuring [Member]	Aug. 03, 2014 2013 Initiatives [Member] International Simple Meals And Beverages [Member]	Aug. 03, 2014 2013 Initiatives [Member] International Simple Meals And Beverages [Member] Other Restructuring [Member]	Aug. 03, 2014 2013 Initiatives [Member] U.S. Beverages [Member]	Aug. 03, 2014 2013 Initiatives [Member] U.S. Beverages [Member] Other Restructuring [Member]	Aug. 03, 2014 2013 Initiatives [Member] Bolthouse and Foodservice [Member]	Aug. 03, 2014 2013 Initiatives [Member] Bolthouse and Foodservice [Member] Other Restructuring [Member]	Aug. 03, 2014 2013 Initiatives [Member] Pepperidge Farm Initiative [Member]	Jul. 31, 2011 2011 Initiatives [Member]	Jul. 29, 2012 2011 Initiatives [Member]	Jul. 31, 2011 2011 Initiatives [Member]	Aug. 03, 2014 2011 Initiatives [Member]	Jul. 29, 2012 2011 Initiatives [Member] Other Restructuring [Member]	Jul. 31, 2011 2011 Initiatives [Member] Other Restructuring [Member]	Aug. 03, 2014 2011 Initiatives [Member] Other Restructuring [Member]	Aug. 03, 2014 2011 Initiatives [Member] Camden New Jersey [Member]	Aug. 03, 2014 2011 Initiatives [Member] Outsource Of U.S. Retail Merchandising [Member]	Aug. 03, 2014 2011 Initiatives [Member] AUSTRALIA	Aug. 03, 2014 2011 Initiatives [Member] Moscow [Member]	Aug. 03, 2014 2011 Initiatives [Member] U.S. Simple Meals [Member]	Aug. 03, 2014 2011 Initiatives [Member] U.S. Simple Meals [Member] Other Restructuring [Member]	Aug. 03, 2014 2011 Initiatives [Member] Global Baking And Snacking [Member]	Aug. 03, 2014 2011 Initiatives [Member] Global Baking And Snacking [Member] Other Restructuring [Member]	Aug. 03, 2014 2011 Initiatives [Member] Corporate, Non-Segment [Member]	Aug. 03, 2014 2011 Initiatives [Member] Corporate, Non-Segment [Member] Other Restructuring [Member]	Aug. 03, 2014 2011 Initiatives [Member] International Simple Meals And Beverages [Member]	Aug. 03, 2014 2011 Initiatives [Member] International Simple Meals And Beverages [Member] Other Restructuring [Member]	Aug. 03, 2014 2011 Initiatives [Member] U.S. Beverages [Member]	Aug. 03, 2014 2011 Initiatives [Member] U.S. Beverages [Member] Other Restructuring [Member]	Aug. 03, 2014 2011 Initiatives [Member] Bolthouse and Foodservice [Member]	Aug. 03, 2014 2011 Initiatives [Member] Bolthouse and Foodservice [Member] Other Restructuring [Member]	Jul. 31, 2011 Discontinued Operations [Member] 2011 Initiatives [Member]	Jul. 29, 2012 Discontinued Operations [Member] 2011 Initiatives [Member]	Aug. 03, 2014 Cost Of Products Sold [Member] 2013 Initiatives [Member] Corporate, Non-Segment [Member] Other Restructuring [Member]	Jul. 28, 2013 Cost Of Products Sold [Member] 2013 Initiatives [Member] Corporate, Non-Segment [Member] Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Positions eliminated															250	100																						700	27	260	70												110				510				130	190	190	50
Restructuring and Related Cost, Expected Number of Positions Eliminated												85					90
Restructuring charges									$ 55	$ 51	$ 10	$ 54																		$ 1	$ 51																								$ 10	$ 63																					$ 3	$ 3
Restructuring charges, after tax	15	1	5	15	19	14	30	27				33																																										41	6
Restructuring charges and related costs, after tax																														3	90
Restructuring charges, Per Diluted Share	$ 0.05	$ 0.00	$ 0.02	$ 0.05	$ 0.06	$ 0.04	$ 0.09	$ 0.09				$ 0.10																		$ 0.01	$ 0.28																							$ 0.12	$ 0.02
Restructuring and Related Cost, Expected Cost												56	2																			148					14
Expected cash expenditures												43																				46																									50
Expected investment in capital expenditures												7																				31																									45
Payments for (Proceeds from) Productive Assets																																28																									41
Restructuring and Related Cost, Incurred Cost												54	1	[1]																4	142		4	[2]	8	[2]										3												(2)	(4)																				3	91
Restructuring and Related Cost, Cost Incurred to Date												54	1					8	0	23	0	1	0	18	1	2	0	2	0			146					12					90	7	14	2		9	1	31	2	2	0					73			9					32	2	14	0	6	4	17	3	3	0	1	0
Restructuring and Related Cost, Expected Cost Remaining												$ 2	$ 1					$ 1		$ 1												$ 2					$ 2							$ 2

[1] Includes non-cash costs that are not reflected in the restructuring reserve in the Consolidated Balance Sheet.

[2] Includes non-cash costs and other exit costs recognized as incurred that are not reflected in the restructuring reserve in the Consolidated Balance Sheet.