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Other Income (Expense) (Tables)
 12 Months Ended
Dec. 31, 2017
Other Income and Expenses [Abstract]  
Other Income (Expense)
Other income (expense) consisted of the following:

In millions
 
2017
 
2016
 
2015
Interest income
 
$
45

 
$
38

 
$
52

Income (loss) from investments
 
16

 
(13
)
 
4

Gain (loss) on disposal of operations and affiliates
 
1

 
(12
)
 
16

Equity income (loss) in Wilsonart
 
—

 
61

 
(4
)
Gain (loss) on foreign currency transactions, net
 
(25
)
 
9

 
5

Other, net
 
(1
)
 
(2
)
 
5

Total other income (expense)
 
$
36

 
$
81

 
$
78