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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current
The following table provides a breakdown of inventories:

Inventories at Dec 31
 
 
In millions
2018
2017
Finished goods
$
264

$
222

Work in process
45

47

Raw materials
45

48

Supplies
85

73

Total
$
439

$
390

Adjustment of inventories to a LIFO basis
(135
)
(112
)
Total inventories
$
304

$
278