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SHARE-BASED PAYMENTS (Tables)
 12 Months Ended
May 26, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Weighted average Black-Scholes assumptions for stock options granted
The fair value of each option is estimated on the date of grant using a Black-Scholes option-pricing model with the following weighted average assumptions for stock options granted:
 
2013
 
2012
 
2011
Expected volatility (%)
22.95
 
22.89
 
22.83
Dividend yield (%)
3.77
 
3.97
 
3.51
Risk-free interest rates (%)
0.57
 
1.38
 
1.72
Expected life of stock option (years)
4.80
 
4.75
 
4.82
Summary of the option activity
A summary of the option activity as of May 26, 2013 and changes during the fiscal year then ended is presented below:
Options
Number
of Options
(in Millions)
 
Weighted
Average
Exercise
Price
 
Average
Remaining
Contractual
Term
(Years)
 
Aggregate
Intrinsic
Value (in
Millions)
Outstanding at May 27, 2012
27.7

 
$
23.51

 
 
 
 
Granted
3.9

 
$
24.74

 
 
 
 
Exercised
(11.1
)
 
$
23.46

 
 
 
$
77.2

Forfeited
(0.3
)
 
$
24.79

 
 
 
 
Expired
(0.3
)
 
$
25.41

 
 
 
 
Outstanding at May 26, 2013
19.9

 
$
23.73

 
4.46
 
$
219.6

Exercisable at May 26, 2013
12.6

 
$
23.01

 
2.99
 
$
148.1
Changes in nonvested share units
The following table summarizes the nonvested share units as of May 26, 2013 and changes during the fiscal year then ended:
 
Share-settled
 
Cash-settled
Share Units
Share Units
(in millions)
 
Weighted
Average
Grant-Date
Fair Value
 
Share Units
(in millions)
 
Weighted
Average
Grant-Date
Fair Value
Nonvested share units at May 27, 2012
3.83

 
$
21.43

 
—

 
$
—

Granted
1.00

 
$
25.59

 
0.92

 
$
24.74

Vested/Issued
(0.94
)
 
$
20.01

 
—

 
$
—

Forfeited
(0.24
)
 
$
24.80

 
(0.03
)
 
$
24.74

Nonvested share units at May 26, 2013
3.65

 
$
25.30

 
0.89

 
$
24.74
Summary of the activity for performance share awards
A summary of the activity for performance share awards as of May 26, 2013 and changes during the fiscal year then ended is presented below:
Performance Shares
Shares
(in  Millions)
 
Weighted
Average
Grant-Date
Fair Value
Nonvested performance shares at May 27, 2012
1.27

 
$
22.44

Granted
0.51

 
$
24.88

Adjustments for performance results attained
(0.39
)
 
$
19.24

Forfeited
(0.14
)
 
$
24.18

Nonvested performance shares at May 26, 2013
1.25

 
$
24.24