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Identifiable Intangible Assets and Goodwill (Tables)
 3 Months Ended
Aug. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets by Major Class
The following table summarizes the Company’s identifiable intangible asset balances as of August 31, 2013 and May 31, 2013:
 
 
As of August 31, 2013
 
As of May 31, 2013
(In millions)
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
Amortized intangible assets:
 
 
 
 
 
 
 
 
 
 
 
 
Patents
 
$
123

 
$
(36
)
 
$
87

 
$
119

 
$
(35
)
 
$
84

Trademarks
 
44

 
(34
)
 
10

 
43

 
(32
)
 
11

Other
 
19

 
(16
)
 
3

 
20

 
(16
)
 
4

TOTAL
 
$
186

 
$
(86
)
 
$
100

 
$
182

 
$
(83
)
 
$
99

Unamortized intangible assets —
Trademarks
 
 
 
 
 
283

 
 
 
 
 
283

IDENTIFIABLE INTANGIBLE
ASSETS, NET
 
 
 
 
 
$
383

 
 
 
 
 
$
382