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Share Repurchases (Tables)
6 Months Ended
Jul. 31, 2013
Share Repurchases [Abstract]  
Schedule Of Company's Share Repurchases
The number of shares repurchased, average price paid per share and cash paid for share repurchases for the six months ended July 31, 2013 and 2012, were as follows:

 
Six Months Ended July 31,
(Amounts in millions, except per share data)
 
2013
 
2012
Total number of shares repurchased
 
55.0

 
54.3

Average price paid per share
 
$
74.49

 
$
63.17

Total cash paid for share repurchases
 
$
4,096

 
$
3,429