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Share-Based Compensation (Tables)
 6 Months Ended
Dec. 31, 2011
Notes to Financial Statements [Abstract]  
Share-Based Compensation
Total share-based compensation for the three months and six months ended December 31, 2011 and 2010 are summarized in the following table (amounts in millions):
 
Three Months Ended December 31
 
Six Months Ended December 31
 
2011
 
2010
 
2011
 
2010
Share-Based Compensation
 
 
 
 
 
 
 
Stock options
$
76

  
$
85

 
$
138

  
$
153

Other share-based awards
12

  
8

 
30

  
27

Total share-based compensation
$
88

  
$
93

 
$
168

  
$
180

Assumptions utilized in the model are evaluated and revised, as necessary, to reflect market conditions and experience.