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OTHER (INCOME) CHARGES, NET (Tables)
 6 Months Ended
Jun. 30, 2018
Other Income and Expenses [Abstract]  
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
 
Second Quarter
 
First Six Months
(Dollars in millions)
2018
 
2017
 
2018
 
2017
Foreign exchange transaction (gains) losses, net
$
7

 
$
3

 
$
7

 
$
2

Costs resulting from tax law changes and outside-U.S. entity reorganizations
5

 
—

 
13

 
—

(Income) loss from equity investments and other investment (gains) losses, net
(7
)
 
(3
)
 
(12
)
 
(6
)
Coal gasification incident property insurance proceeds
(15
)
 
—

 
(65
)
 
—

Other, net
—

 
1

 
1

 
1

Other (income) charges, net
$
(10
)
 
$
1

 
$
(56
)
 
$
(3
)