GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS (Change in Carrying Amount of Goodwill) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	May. 31, 2015	May. 31, 2015	May. 25, 2014
Goodwill [Roll Forward]
Goodwill, Beginning Balance		$ 7,828.5	$ 8,418.7
Impairment		(1,527.9)	(602.2)
Acquisitions		43.8
Currency translation and purchase accounting adjustments		(44.1)	12.0
Goodwill, Ending Balance	$ 6,300.3	6,300.3	7,828.5
Consumer Foods
Goodwill [Roll Forward]
Goodwill, Beginning Balance		3,748.5	3,760.5
Impairment		0.0	0.0
Acquisitions		20.0
Currency translation and purchase accounting adjustments		(25.4)	(12.0)
Goodwill, Ending Balance	3,743.1	3,743.1	3,748.5
Commercial Foods
Goodwill [Roll Forward]
Goodwill, Beginning Balance		865.4	865.0
Impairment		0.0	0.0
Acquisitions		23.8
Currency translation and purchase accounting adjustments		(1.5)	0.4
Goodwill, Ending Balance	887.7	887.7	865.4
Private Brands
Goodwill [Roll Forward]
Goodwill, Beginning Balance		3,214.6	3,793.2
Impairment	(1,530.0)	(1,527.9)	(602.2)
Acquisitions		0.0
Currency translation and purchase accounting adjustments		(17.2)	23.6
Goodwill, Ending Balance	$ 1,669.5	$ 1,669.5	$ 3,214.6