XML 59 R29.htm IDEA: XBRL DOCUMENT v3.8.0.1
INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2017
INVENTORIES  
Schedule of inventories

 

Balance at December 31, (in millions)

 

2017

 

2016

Raw materials

 

$

66

 

$

65

Materials and supplies

 

447

 

446

Finished goods

 

776

 

395

 

 

 

 

 

 

 

1,289

 

906

Revaluation to LIFO

 

(43)

 

(40)

 

 

 

 

 

Total

 

$

1,246

 

$

866