Identifiable Intangible Assets and Goodwill (Tables)
 9 Months Ended
Feb. 28, 2014
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 February 28, 2014 and May 31, 2013:
 
 
As of February 28, 2014
 
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
 
$
132

 
$
(40
)
 
$
92

 
$
119

 
$
(35
)
 
$
84

Trademarks
 
46

 
(37
)
 
9

 
43

 
(32
)
 
11

Other
 
19

 
(17
)
 
2

 
20

 
(16
)
 
4

TOTAL
 
$
197

 
$
(94
)
 
$
103

 
$
182

 
$
(83
)
 
$
99

Unamortized intangible assets — Trademarks
 
 
 
 
 
283

 
 
 
 
 
283

IDENTIFIABLE INTANGIBLE ASSETS, NET
 
 
 
 
 
$
386

 
 
 
 
 
$
382