GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS (Change in Carrying Amount of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Aug. 24, 2014
Goodwill [Line Items]
Balance as of	$ 7,828.5
Acquisitions	15.9
Currency translation and purchase accounting adjustments	(6.4)
Balance as of	7,838.0
Consumer Foods
Goodwill [Line Items]
Balance as of	3,748.5
Acquisitions	0
Currency translation and purchase accounting adjustments	(4.8)
Balance as of	3,743.7
Commercial Foods
Goodwill [Line Items]
Balance as of	865.4
Acquisitions	15.9
Currency translation and purchase accounting adjustments	0
Balance as of	881.3
Private Brands
Goodwill [Line Items]
Balance as of	3,214.6
Acquisitions	0
Currency translation and purchase accounting adjustments	(1.6)
Balance as of	$ 3,213.0