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Share-Based Compensation (Tables)
9 Months Ended
Mar. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-Based Compensation
Total share-based compensation for the three months and nine months ended March 31, 2013 and 2012 are summarized in the following table (amounts in millions):
 
Three Months Ended March 31
 
Nine Months Ended March 31
 
2013
 
2012
 
2013
 
2012
Share-Based Compensation
 
 
 
 
 
 
 
Stock options
$
66

  
$
86

 
$
183

  
$
224

Other share-based awards
30

  
23

 
67

  
53

Total share-based compensation
$
96

  
$
109

 
$
250

  
$
277


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