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Identifiable Intangible Assets and Goodwill (Tables)
 6 Months Ended
Nov. 30, 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 November 30, 2013 and May 31, 2013:
 
 
As of November 30, 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
 
$
128

 
$
(38
)
 
$
90

 
$
119

 
$
(35
)
 
$
84

Trademarks
 
45

 
(36
)
 
9

 
43

 
(32
)
 
11

Other
 
19

 
(16
)
 
3

 
20

 
(16
)
 
4

TOTAL
 
$
192

 
$
(90
)
 
$
102

 
$
182

 
$
(83
)
 
$
99

Unamortized intangible assets — Trademarks
 
 
 
 
 
283

 
 
 
 
 
283

IDENTIFIABLE INTANGIBLE ASSETS, NET
 
 
 
 
 
$
385

 
 
 
 
 
$
382