Derivative Financial Instruments (Details) (USD $) In Millions	May 29, 2011	May 30, 2010
Derivative assets and liabilities, on gross basis, prior to the offsetting of amounts:
Total derivative assets not designated as hedging instruments	$ 87.1	$ 56.8
Total derivative assets	87.1	65.3
Total derivative liabilities not designated as hedging instruments	103.8	22.2
Total derivative liabilities	115.6	22.2
Interest Rate Contract [Member] | Other accrued liabilities [Member] | Designated as Hedging Instrument [Member]
Derivative assets and liabilities, on gross basis, prior to the offsetting of amounts:
Total derivative liabilities	11.8	0
Interest Rate Contract [Member] | Prepaid expenses and other current assets [Member] | Designated as Hedging Instrument [Member]
Derivative assets and liabilities, on gross basis, prior to the offsetting of amounts:
Total derivative assets	0	8.5
Commodity Contracts [Member] | Other accrued liabilities [Member]
Derivative assets and liabilities, on gross basis, prior to the offsetting of amounts:
Total derivative liabilities not designated as hedging instruments	84.4	20.0
Commodity Contracts [Member] | Prepaid expenses and other current assets [Member]
Derivative assets and liabilities, on gross basis, prior to the offsetting of amounts:
Total derivative assets not designated as hedging instruments	85.4	48.7
Foreign Exchange Contracts [Member] | Other accrued liabilities [Member]
Derivative assets and liabilities, on gross basis, prior to the offsetting of amounts:
Total derivative liabilities not designated as hedging instruments	19.2	1.3
Foreign Exchange Contracts [Member] | Prepaid expenses and other current assets [Member]
Derivative assets and liabilities, on gross basis, prior to the offsetting of amounts:
Total derivative assets not designated as hedging instruments	1.0	8.1
Other [Member] | Other accrued liabilities [Member]
Derivative assets and liabilities, on gross basis, prior to the offsetting of amounts:
Total derivative liabilities not designated as hedging instruments	0.2	0.9
Other [Member] | Prepaid expenses and other current assets [Member]
Derivative assets and liabilities, on gross basis, prior to the offsetting of amounts:
Total derivative assets not designated as hedging instruments	0.7	0
Other accrued liabilities [Member]
Derivative assets and liabilities and amounts representing a right to reclaim cash collateral or obligation to return cash collateral were reflected in balance sheets:
Other accrued liabilities	92.2	10.1
Other accrued liabilities [Member] | Designated as Hedging Instrument [Member]
Derivative assets and liabilities, on gross basis, prior to the offsetting of amounts:
Total derivative liabilities	11.8	0
Prepaid expenses and other current assets [Member]
Derivative assets and liabilities and amounts representing a right to reclaim cash collateral or obligation to return cash collateral were reflected in balance sheets:
Prepaid expenses and other current assets	71.5	61.8
Prepaid expenses and other current assets [Member] | Designated as Hedging Instrument [Member]
Derivative assets and liabilities, on gross basis, prior to the offsetting of amounts:
Total derivative assets	$ 0	$ 8.5