Debt (Schedule of long-term debt) (Details) - USD ($) $ in Millions	12 Months Ended
	May 29, 2016	May 31, 2015	Jan. 31, 2016
Debt Instrument [Line Items]
Long-term debt, including current portion	$ 8,161.1	$ 8,575.7
Other, including debt issuance costs and capital leases	(26.1)	(36.5)
Current portion of long-term debt	(1,103.4)	(1,000.4)
Total long-term debt	$ 7,057.7	7,575.3
5.65% Notes Due February 15, 2019 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.65%
Maturity date	Feb. 15, 2019
Long-term debt, including current portion	$ 1,150.0	1,150.0
5.7% Notes Due February 15, 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.70%
Maturity date	Feb. 15, 2017
Long-term debt, including current portion	$ 1,000.0	1,000.0
3.15% Notes Due December 15, 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.15%
Maturity date	Dec. 15, 2021
Long-term debt, including current portion	$ 1,000.0	1,000.0
Euro-denominated 2.1% Notes Due November 16, 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.10%
Maturity date	Nov. 16, 2020
Long-term debt, including current portion	$ 555.8	549.4
Euro-denominated 1.0% Notes Due April 27, 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.00%
Maturity date	Apr. 27, 2023
Long-term debt, including current portion	$ 555.8	$ 549.4
Floating-Rate Euro-denominated Notes Due January 15, 2020 [Member]
Debt Instrument [Line Items]
Maturity date	Jan. 15, 2020
Long-term debt, including current portion	$ 555.8
1.4% Notes Due October 20, 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.40%	1.40%
Maturity date	Oct. 20, 2017	Oct. 20, 2017
Long-term debt, including current portion	$ 500.0	$ 500.0
5.4% Notes Due June 15, 2040 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.40%
Maturity date	Jun. 15, 2040
Long-term debt, including current portion	$ 500.0	500.0
4.15% Notes Due February 15, 2043 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.15%
Maturity date	Feb. 15, 2043
Long-term debt, including current portion	$ 500.0	500.0
3.65% Notes Due February 15, 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.65%
Maturity date	Feb. 15, 2024
Long-term debt, including current portion	$ 500.0	$ 500.0
2.2% Notes Due October 21, 2019 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.20%	2.20%
Maturity date	Oct. 21, 2019	Oct. 21, 2019
Long-term debt, including current portion	$ 500.0	$ 500.0
Floating Rate Notes Due January 29, 2016 [Member]
Debt Instrument [Line Items]
Maturity date		Jan. 29, 2016
Long-term debt, including current portion		$ 500.0
Euro-denominated 1.5% Notes Due April 27, 2027 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.50%
Maturity date	Apr. 27, 2027
Long-term debt, including current portion	$ 444.6	$ 439.5
0.875% Notes Due January 29, 2016 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		0.875%	0.875%
Maturity date		Jan. 29, 2016
Long-term debt, including current portion		$ 250.0
Floating-Rate Notes Due January 28, 2016 [Member]
Debt Instrument [Line Items]
Maturity date		Jan. 28, 2016
Long-term debt, including current portion		$ 250.0
Euro-denominated 2.2% Senior Unsecured Notes Due June 24, 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.20%
Maturity date	Jun. 24, 2021
Long-term debt, including current portion	$ 221.0	219.7
Medium-term Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	0.02%
Debt Instrument, Interest Rate Stated Percentage Rate Range, Maximum	6.44%
Long-term debt, including current portion	$ 204.2	$ 204.2