XML 21 R7.htm IDEA: XBRL DOCUMENT
v3.10.0.1

INVENTORIES | 9 Months Ended
--- | ---
Sep. 30, 2018
Inventory Disclosure [Abstract] |
INVENTORIES | INVENTORIES
| September 30, |  | December 31,
(Dollars in millions) | 2018 |  | 2017
Finished goods | $ | 1,118 |  |  | $ | 1,114 |
Work in process | 271 |  |  | 213 |
Raw materials and supplies | 554 |  |  | 470 |
Total inventories at FIFO or average cost | 1,943 |  |  | 1,797 |
Less: LIFO reserve | 318 |  |  | 288 |
Total inventories | $ | 1,625 |  |  | $ | 1,509 |
Inventories valued on the last-in, first-out ("LIFO") method were approximately 55 percent and 60 percent of total inventories at September 30, 2018 and December 31, 2017, respectively.

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
Name: | us-gaap_InventoryDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration