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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2015
Inventory Disclosure [Abstract]  
Schedule of Inventories
 
December 31,
(Dollars in millions)
2015
 
2014
 
 
 
 
Finished goods
$
1,063

 
$
1,130

Work in process
212

 
288

Raw materials and supplies
500

 
553

Total inventories at FIFO or average cost
1,775

 
1,971

Less: LIFO reserve
296

 
462

Total inventories
$
1,479

 
$
1,509