Goodwill and Other Intangible Assets (Schedule of changes in the carrying amount of goodwill) (Details) $ in Millions	6 Months Ended
	Nov. 27, 2016 USD ($)
Goodwill [Line Items]
Beginning balance	$ 8,741.2
Divestiture	(2.3)
Other activity, primarily foreign currency translation	(59.8)
Ending balance	8,679.1
U.S. Retail [Member]
Goodwill [Line Items]
Beginning balance	6,292.9
Divestiture	0.0
Other activity, primarily foreign currency translation	0.0
Ending balance	6,292.9
International [Member]
Goodwill [Line Items]
Beginning balance	1,121.0
Divestiture	0.0
Other activity, primarily foreign currency translation	(40.8)
Ending balance	1,080.2
Convenience Stores and Foodservice [Member]
Goodwill [Line Items]
Beginning balance	921.1
Divestiture	(2.3)
Other activity, primarily foreign currency translation	0.0
Ending balance	918.8
Joint Ventures [Member]
Goodwill [Line Items]
Beginning balance	406.2
Divestiture	0.0
Other activity, primarily foreign currency translation	(19.0)
Ending balance	$ 387.2