Goodwill and Other Intangible Assets (Schedule of changes in the carrying amount of other intangible assets) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Aug. 26, 2012
Intangible Assets, Net [Line Items]
Beginning balance	$ 4,704.9
Acquisition	15.0
Other activity, primarily foreign currency translation	3.8
Ending balance	4,723.7
U.S. Retail [Member]
Intangible Assets, Net [Line Items]
Beginning balance	3,297.0
Acquisition	0
Other activity, primarily foreign currency translation	(0.9)
Ending balance	3,296.1
International [Member]
Intangible Assets, Net [Line Items]
Beginning balance	1,344.1
Acquisition	15.0
Other activity, primarily foreign currency translation	4.7
Ending balance	1,363.8
Joint Ventures [Member]
Intangible Assets, Net [Line Items]
Beginning balance	63.8
Acquisition	0
Other activity, primarily foreign currency translation	0
Ending balance	$ 63.8