Financial Instruments, Risk Management Activities, and Fair Values (Schedule of gains and losses on hedges) (Details) - USD ($) $ in Millions		12 Months Ended
		May 29, 2016	May 31, 2015
Cash Flow Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) recognized in other comprehensive income (OCI)	[1]	$ 18.6	$ 7.4
Amount of net gain (loss) reclassified from AOCI into earnings	[1],[2]	11.5	(5.6)
Amount of net gain (loss) recognized in earnings	[3]	(0.8)	(0.5)
Fair Value Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of net gain (loss) recognized in earnings	[4]	0.1	1.6
Net Investment Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) recognized in other comprehensive income (OCI)	[1]	(0.2)	(6.9)
Not Designated as Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of net gain (loss) recognized in earnings	[4]	(59.5)	(208.4)
Interest Rate Contracts [Member] | Cash Flow Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) recognized in other comprehensive income (OCI)	[1]	(2.6)	(5.9)
Amount of net gain (loss) reclassified from AOCI into earnings	[1],[2]	(10.6)	(10.6)
Amount of net gain (loss) recognized in earnings	[3]	(0.1)	(0.6)
Interest Rate Contracts [Member] | Fair Value Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of net gain (loss) recognized in earnings	[4]	0.1	1.6
Interest Rate Contracts [Member] | Net Investment Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) recognized in other comprehensive income (OCI)	[1]	0.0	0.0
Interest Rate Contracts [Member] | Not Designated as Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of net gain (loss) recognized in earnings	[4]	0.0	0.0
Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) recognized in other comprehensive income (OCI)	[1]	21.2	13.3
Amount of net gain (loss) reclassified from AOCI into earnings	[1],[2]	22.1	5.0
Amount of net gain (loss) recognized in earnings	[3]	(0.7)	0.1
Foreign Exchange Contracts [Member] | Fair Value Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of net gain (loss) recognized in earnings	[4]	0.0	0.0
Foreign Exchange Contracts [Member] | Net Investment Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) recognized in other comprehensive income (OCI)	[1]	(0.2)	(6.9)
Foreign Exchange Contracts [Member] | Not Designated as Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of net gain (loss) recognized in earnings	[4]	1.1	(54.3)
Equity Contracts [Member] | Cash Flow Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) recognized in other comprehensive income (OCI)	[1]	0.0	0.0
Amount of net gain (loss) reclassified from AOCI into earnings	[1],[2]	0.0	0.0
Amount of net gain (loss) recognized in earnings	[3]	0.0	0.0
Equity Contracts [Member] | Fair Value Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of net gain (loss) recognized in earnings	[4]	0.0	0.0
Equity Contracts [Member] | Net Investment Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) recognized in other comprehensive income (OCI)	[1]	0.0	0.0
Equity Contracts [Member] | Not Designated as Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of net gain (loss) recognized in earnings	[4]	(4.5)	9.6
Commodity Contracts [Member] | Cash Flow Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) recognized in other comprehensive income (OCI)	[1]	0.0	0.0
Amount of net gain (loss) reclassified from AOCI into earnings	[1],[2]	0.0	0.0
Amount of net gain (loss) recognized in earnings	[3]	0.0	0.0
Commodity Contracts [Member] | Fair Value Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of net gain (loss) recognized in earnings	[4]	0.0	0.0
Commodity Contracts [Member] | Net Investment Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of gain (loss) recognized in other comprehensive income (OCI)	[1]	0.0	0.0
Commodity Contracts [Member] | Not Designated as Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Amount of net gain (loss) recognized in earnings	[4]	$ (56.1)	$ (163.7)

[1] Effective portion.

[2] Gain (loss) reclassified from AOCI into earnings is reported in interest, net for interest rate swaps and in cost of sales and SG&A expenses for foreign exchange contracts.

[3] Gain (loss) recognized in earnings is related to the ineffective portion of the hedging relationship, including SG&A expenses for foreign exchange contracts and interest, net for interest rate contracts. No amounts were reported as a result of being excluded from the assessment of hedge effectiveness.

[4] Gain (loss) recognized in earnings is reported in interest, net for interest rate contracts, in cost of sales for commodity contracts, and in SG&A expenses for equity contracts and foreign exchange contracts.