Financial Instruments, Risk Management Activities, and Fair Values (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | ||||||||||
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Feb. 24, 2013
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Feb. 24, 2013
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Feb. 24, 2013
Interest Rate Swap Pay Floating [Member]
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May 27, 2012
Interest Rate Swap Pay Floating [Member]
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Feb. 24, 2013
Interest Rate Swap Pay Fixed [Member]
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Feb. 24, 2013
Interest Rate Swap Pay Fixed [Member]
Maximum [Member]
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Feb. 24, 2013
Equity Swaps Pay Floating [Member]
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Feb. 24, 2013
One Billion Fiscal 2007 [Member]
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May 29, 2011
Five Hundred Million Fiscal 2011 [Member]
Interest Rate Swap Forward Starting Pay Fixed [Member]
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May 29, 2011
Three Hundred Million Fiscal 2011 [Member]
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Aug. 28, 2011
Three Hundred Million Fiscal 2012 [Member]
Interest Rate Swap Forward Starting Pay Fixed [Member]
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Feb. 24, 2013
Five Hundred Million Fiscal 2010 Notes [Member]
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Nov. 27, 2011
Five Hundred Million Three Hundred Million Two Hundred Million Forward Starting Swaps [Member]
Interest Rate Swap Forward Starting Pay Fixed [Member]
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Feb. 24, 2013
Five Hundred Million Three Hundred Million Two Hundred Million Forward Starting Swaps [Member]
Interest Rate Swap Forward Starting Pay Fixed [Member]
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Feb. 24, 2013
One Billion 2012 Note [Member]
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Nov. 27, 2011
Two Hundred Million Fiscal 2012 [Member]
Interest Rate Swap Forward Starting Pay Fixed [Member]
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Feb. 24, 2013
Two Hundred Million Fiscal 2013 [Member]
Treasury Lock [Member]
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Nov. 25, 2012
Two Hundred Million Fiscal 2013 [Member]
Treasury Lock [Member]
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Feb. 24, 2013
Zero Eight Seven Five Percent Notes Due January 2016 [Member]
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Feb. 24, 2013
Four One Five Percent Notes Due February 2043 [Member]
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Financial Instruments Owned At Fair Value [Abstract] | ||||||||||||||||||||
Marketable Securities Pledged as Collateral | $ 2.3 | $ 2.3 | ||||||||||||||||||
Long Term Debt Fair Value | 8,072.3 | 8,072.3 | ||||||||||||||||||
Long-term debt | 7,375.9 | 7,375.9 | ||||||||||||||||||
Derivative [Line Items] | ||||||||||||||||||||
Derivative Notional Amount | 550.0 | 834.6 | 500.0 | 300.0 | 200.0 | 200.0 | ||||||||||||||
Derivative Average Fixed Interest Rate | 3.90% | 2.70% | 2.40% | 2.82% | ||||||||||||||||
Debt Interest Rate | 1.55% | 0.875% | ||||||||||||||||||
Cash Settled | 100.4 | (11.8) | ||||||||||||||||||
Unrealized Gain Loss On Interest Rate Cash Flow Hedges Pretax Accumulated Other Comprehensive Income | (8.8) | (15.3) | (87.2) | 11.8 | ||||||||||||||||
Debt Instrument Face Amount | 1,000.0 | 300.0 | 500.0 | 1,000.0 | 250.0 | 500.0 | ||||||||||||||
Debt Instrument Term | 10 years | 30 years | 10 years | 30 years | ||||||||||||||||
Interest Rate Cash Flow Hedge Ineffectiveness Is Immaterial | less than $1 million | less than $1 million | ||||||||||||||||||
Interest Rate Fair Value Hedge Ineffectiveness | 1.2 | 1.0 | ||||||||||||||||||
Notional Amount Of Equity Swaps | 53.8 | |||||||||||||||||||
Commodity Price Risk [Abstract] | ||||||||||||||||||||
Notional Amount Of Commodity Derivatives | 188.5 | 188.5 | ||||||||||||||||||
Notional Amount Of Price Risk Derivatives Agricultural | 91.7 | 91.7 | ||||||||||||||||||
Notional Amount Of Energy Commodity Derivatives | 96.8 | 96.8 | ||||||||||||||||||
Derivative Contracts Inputs Average Period Of Utilization | 18 months | 18 months | ||||||||||||||||||
Foreign Exchange Risk [Abstract] | ||||||||||||||||||||
Maximum Length Of Time Hedged In Foreign Currency Cash Flow Hedge | 18 months | |||||||||||||||||||
Notional Amount Of Foreign Currency Derivatives | 939.6 | 939.6 | ||||||||||||||||||
Foreign Currency Cash Flow Hedge Ineffectiveness Is Immaterial | was less than $1 million | was less than $1 million | ||||||||||||||||||
Deferred Net Foreign Currency Transaction Gains (Losses) in AOCI | (95.7) | (95.7) | ||||||||||||||||||
Amounts recorded in Accumulated Other Comprehensive Loss [Abstract] | ||||||||||||||||||||
Unrealized Gains (Losses) From Interest Rate Cash Flow Hedges Recorded In AOCI After Tax | (61.8) | (61.8) | ||||||||||||||||||
Unrealized Gains (Losses) From Foreign Currency Cash Flow Hedges Recorded in AOCI After Tax | 14.6 | 14.6 | ||||||||||||||||||
Net Pre-tax Gains And Losses in AOCI Expected To Be Reclassified Into Net Earnings Within The Next 12 Months | 4.6 | 4.6 | ||||||||||||||||||
Credit Risk Related Contingent Features [Abstract] | ||||||||||||||||||||
Derivative Net Liability Position Aggregate Fair Value | 8.7 | 8.7 | ||||||||||||||||||
Additional Collateral Aggregate Fair Value | 8.7 | 8.7 | ||||||||||||||||||
Credit Risk [Abstract] | ||||||||||||||||||||
Concentration Risk Credit Risk Financial Instrument Maximum Exposure | 27.2 | |||||||||||||||||||
Accounts Payable Utilizing Third Party Provider | $ 120.2 | $ 120.2 |