SHARE-BASED PAYMENTS - Summary of Option Activity and Changes (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	May 28, 2017	May 29, 2016	May 31, 2015
Number of Options
Outstanding, beginning balance (in shares)	7.1
Granted (in shares)	1.1	1.6	4.4
Exercised (in shares)	(2.9)
Forfeited (in shares)	(0.9)
Expired (in shares)	0.0
Conversion for the Spinoff of Lamb Weston (in shares)	1.9
Outstanding, ending balance (in shares)	6.3	7.1
Exercisable (in shares)	3.8
Weighted Average Exercise Price
Outstanding, beginning balance (in dollars per share)	$ 33.11
Granted (in dollars per share)	48.01
Exercised (in dollars per share)	28.89
Forfeited (in dollars per share)	35.62
Expired (in dollars per share)	0.00
Conversion for the Spinoff of Lamb Weston (in dollars per share)	26.90
Outstanding, ending balance (in dollars per share)	27.12	$ 33.11
Exercisable (in dollars per share)	$ 23.77
Average Remaining Contractual Term
Outstanding (term)	6 years 11 months 1 day
Exercisable (term)	5 years 10 months 2 days
Aggregate Intrinsic Value
Outstanding	$ 171.4
Exercisable	$ 90.8