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Stock-Based Compensation (Summary Of Performance Stock Unit Activity) (Details) (Performance stock units, USD $)
In Millions, except Per Share data, unless otherwise specified
12 Months Ended
May 26, 2013
Performance stock units
 
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]  
Outstanding beginning of period (shares) 1.1
Units granted (shares) 0.3
Units vested (shares) (0.4)
Units canceled (shares) (0.1)
Outstanding end of period (shares) 0.9
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]  
Outstanding beginning of period, Weighted-Average Grant Date Fair Value Per Share (dollars per share) $ 39.33
Units granted, Weighted-Average Grant Date Fair Value Per Share (dollars per share) $ 49.58
Units vested, Weighted-Average Grant Date Fair Value Per Share (dollars per share) $ 51.97
Units canceled, Weighted-Average Grant Date Fair Value Per Share (dollars per share) $ 42.03
Outstanding end of period, Weighted-Average Grant Date Fair Value Per Share (dollars per share) $ 36.83