Share-Based Payments (Details 1) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
May 27, 2012	May 29, 2011	May 30, 2010
Summary of the option activity
Outstanding at May 29, 2011, Number of Options	35.1
Outstanding at May 29, 2011, Weighted Average Exercise Price	$ 22.81
Granted, Number of Options	4.1	6.2	7.9
Granted, Weighted Average Exercise Price	$ 26.15
Exercised, Number of Options	(9.9)
Exercised, Weighted Average Exercise Price	$ 21.97
Exercised, Aggregate Value Intrinsic Value	$ 41.5
Forfeited, Number of Options	(0.9)
Forfeited, Weighted Average Exercise Price	$ 23.67
Expired, Number of Options	(0.7)
Expired, Weighted Average Exercise Price	$ 25.73
Outstanding at May 27, 2012, Number of Options	27.7	35.1
Outstanding at May 27, 2012, Weighted Average Exercise Price	$ 23.51	$ 22.81
Outstanding at May 27, 2012, Average Remaining Contractual Term	3 years 9 months 4 days
Outstanding at May 27, 2012, Aggregate Intrinsic Value	60.6
Exercisable at May 27, 2012, Number of Options	19.0
Exercisable at May 27, 2012, Weighted Average Exercise Price	$ 23.33
Exercisable at May 27, 2012, Average Remaining Contractual Term	3 years 7 days
Exercisable at May 27, 2012, Average Intrinsic Value	$ 45.4

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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