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OTHER OPERATING COSTS (INCOME), NET (Tables)
 9 Months Ended
Sep. 30, 2018
Items Included in Other Operating Costs (Income), Net
ITEMS INCLUDED IN OTHER OPERATING COSTS (INCOME), NET
 
QUARTER ENDED
 
YEAR-TO-DATE ENDED
DOLLAR AMOUNTS IN MILLIONS
SEPTEMBER 2018
 
SEPTEMBER 2017
 
SEPTEMBER 2018
 
SEPTEMBER 2017
Gain on disposition of nonstrategic assets 
$
(1
)
 
$
(5
)
 
$
(4
)
 
$
(14
)
Foreign exchange losses (gains), net
2

 
(3
)
 
2

 
—

Litigation expense, net
10

 
8

 
23

 
14

Other, net(1)
10

 
(12
)
 
45

 
2

Total other operating costs (income), net
$
21

 
$
(12
)
 
$
66

 
$
2



(1)
"Other, net" includes environmental remediation charges. See Note 12: Legal Proceedings, Commitments, and Contingencies for more information.