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Other Income (Expense) (Tables)
 12 Months Ended
Dec. 31, 2015
Other Income and Expenses [Abstract]  
Other Income (Expense)
Other Income (Expense) consisted of the following:

In millions
 
2015
 
2014
 
2013
Interest income
 
$
52

 
$
65

 
$
50

Gain (loss) on disposal of operations and affiliates
 
16

 
(6
)
 
(5
)
Gain (loss) on foreign currency transactions, net
 
5

 
8

 
(5
)
Income from investments
 
4

 
8

 
12

Gain on acquisition of controlling interest in an equity investment
 
—

 
—

 
30

Equity income (loss) in Wilsonart
 
(4
)
 
(9
)
 
(14
)
Other, net
 
5

 
(5
)
 
4

 
 
$
78

 
$
61

 
$
72