XML 43 R25.htm IDEA: XBRL DOCUMENT v3.19.3
INVENTORIES (Tables)
 9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of inventories
 
September 30,
 
December 31,
(Dollars in millions)
2019
 
2018
Finished goods
$
1,161

 
$
1,143

Work in process
239

 
262

Raw materials and supplies
571

 
515

Total inventories at FIFO or average cost
1,971

 
1,920

Less: LIFO reserve
276

 
337

Total inventories
$
1,695

 
$
1,583