Gain Loss on Sale of Discontinued Operations (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended					0 Months Ended	12 Months Ended				3 Months Ended	12 Months Ended			1 Months Ended	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013 North American Fresh Bakery	Jun. 30, 2012 North American Fresh Bakery	Dec. 31, 2011 North American Foodservice Beverage	Jun. 29, 2013 North American Foodservice Beverage	Jun. 30, 2012 North American Foodservice Beverage	Jun. 29, 2013 North American Refrigerated Dough	Jun. 30, 2012 North American Refrigerated Dough	Mar. 30, 2012 European Bakery	Jun. 30, 2012 European Bakery	Jun. 29, 2013 Non-European Insecticides	Jun. 30, 2012 Non-European Insecticides	Feb. 28, 2013 Australian Bakery [Member]	Jun. 29, 2013 Australian Bakery [Member]	Jun. 30, 2012 Air Care Products	Jun. 30, 2012 Other Household And Body Care
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pretax Gain(Loss) on Sale		$ 68	$ 772	$ 10	$ 94	$ 222	$ 2	$ 222	$ 0	$ 198	$ 11	$ 11	$ 0	$ 249		$ 56	$ (10)	$ 8
Tax (Expense)/ Benefit	0	(15)	(367)	(4)	(33)		2	(76)	(1)	(156)		(45)	2	(59)		(14)	(1)	3
After Tax Gain(Loss)	$ 0	$ 53	$ 405	$ 6	$ 61		$ 4	$ 146	$ (1)	$ 42		$ (34)	$ 2	$ 190	$ 42	$ 42	$ (11)	$ 11