Goodwill and Other Intangibles (Schedule of changes in the carrying amount of other intangible assets) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	May 26, 2013	May 27, 2012	May 29, 2011
Intangible Assets, Net [Line Items]
Beginning balance	$ 4,704.9	$ 3,813.3	$ 3,715.0
Acquisitions	310.7	1,108.5	45.3
Other activity, primarily foreign currency translation	(0.5)	(216.9)	53.0
Ending balance	5,015.1	4,704.9	3,813.3
U.S. Retail [Member]
Intangible Assets, Net [Line Items]
Beginning balance	3,297.0	3,242.5	3,206.6
Acquisitions	20.0	58.2	39.3
Other activity, primarily foreign currency translation	(4.6)	(3.7)	(3.4)
Ending balance	3,312.4	3,297.0	3,242.5
International [Member]
Intangible Assets, Net [Line Items]
Beginning balance	1,344.1	497.9	445.3
Acquisitions	290.7	1,050.3	6.0
Other activity, primarily foreign currency translation	3.4	(204.1)	46.6
Ending balance	1,638.2	1,344.1	497.9
Joint Ventures [Member]
Intangible Assets, Net [Line Items]
Beginning balance	63.8	72.9	63.1
Acquisitions	0	0	0
Other activity, primarily foreign currency translation	0.7	(9.1)	9.8
Ending balance	$ 64.5	$ 63.8	$ 72.9