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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current
The following table provides a breakdown of inventories:

Inventories at Dec 31
 
 
In millions
2019
2018
Finished goods
$
162

$
264

Work in process
31

45

Raw materials
47

45

Supplies
92

85

Total
$
332

$
439

Adjustment of inventories to a LIFO basis
(85
)
(135
)
Total inventories
$
247

$
304