Net Sales and Operating Segment Income by Business Segment (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013	Dec. 29, 2012
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	$ 1,082	$ 1,060	$ 2,066	$ 2,034
Operating income	116	99	171	183
Net interest expense	(9)	(10)	(20)	(19)
Income from continuing operations before income taxes	107	89	151	164
Retail
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total business segment sales	799	777	1,513	1,496
Operating income	115	112	175	196
Foodservice/Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total business segment sales	283	283	553	538
Operating income	31	28	56	53
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	146	140	231	249
General Corporate Expenses [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	(9)	(8)	(19)	(20)
Mark To Market Derivative Gain Loss [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	3	(4)	5	1
Amortization Of Intangibles [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	(1)	(1)	(2)	(2)
Significant items [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ (23)	$ (28)	$ (44)	$ (45)