Business Segment Information (Schedule of financial information by geographic area) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	May 29, 2016	Feb. 28, 2016	Nov. 29, 2015	Aug. 30, 2015	May 31, 2015	Feb. 22, 2015	Nov. 23, 2014	Aug. 24, 2014	May 29, 2016	May 31, 2015	May 25, 2014
Segment Reporting Information [Line Items]
Net sales	$ 3,927.9	$ 4,002.4	$ 4,424.9	$ 4,207.9	$ 4,298.8	$ 4,350.9	$ 4,712.2	$ 4,268.4	$ 16,563.1	$ 17,630.3	$ 17,909.6
Cash and cash equivalents	763.7				334.2				763.7	334.2
Land, buildings, and equipment	3,743.6				3,783.3				3,743.6	3,783.3
U S Retail [Member]
Segment Reporting Information [Line Items]
Net sales									11,930.9	12,501.8	12,523.0
Cash and cash equivalents	118.5				22.9				118.5	22.9
Land, buildings, and equipment	2,755.1				2,727.5				2,755.1	2,727.5
Non-United States [Member]
Segment Reporting Information [Line Items]
Net sales									4,632.2	5,128.5	$ 5,386.6
Cash and cash equivalents	645.2				311.3				645.2	311.3
Land, buildings, and equipment	$ 988.5				$ 1,055.8				$ 988.5	$ 1,055.8