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Supplemental Cash Flow Information
3 Months Ended
Aug. 31, 2011
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information

(7) Supplemental Cash Flow Information

 

Cash paid for interest expense and income taxes for the three-month periods ended August 31 was as follows (in millions):

   2011 2010   
           
Cash payments for:        
 Interest (net of capitalized interest)$ 5 $ 8   
           
 Income taxes$ 62 $ 121   
 Income tax refunds received  (42)   (1)   
 Cash tax payments, net$ 20 $ 120