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Property and Equipment (Tables)
12 Months Ended
Jul. 31, 2011
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property and equipment consisted of the following at the dates indicated:


 
Life in
 
July 31,
(Dollars in millions)
Years
 
2011
 
2010
Equipment
3-5
 
$
531


 
$
475


Computer software
3-6
 
478


 
359


Furniture and fixtures
5
 
61


 
64


Leasehold improvements
2-16
 
229


 
229


Land
NA
 
2


 
4


Buildings
5-30
 
187


 
202


Capital in progress
NA
 
36


 
59


 
 
 
1,524


 
1,392


Less accumulated depreciation and amortization
 
 
(963
)
 
(882
)
Total property and equipment, net
 
 
$
561


 
$
510