XML 25 R14.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Inventories | 9 Months Ended
--- | ---
Sep. 30, 2017
Inventory Disclosure [Abstract] |
Inventories | F. Inventories
|  | September 30, 2017 |  |  | December 31, 2016 |
Finished goods |  | $ | 651 |  |  | $ | 625 |
Work-in-process |  |  | 1,332 |  |  |  | 1,144 |
Purchased raw materials |  |  | 386 |  |  |  | 408 |
Operating supplies |  |  | 84 |  |  |  | 76 |
Total inventories |  | $ | 2,453 |  |  | $ | 2,253 |
At September 30, 2017 and December 31, 2016, the portion of inventories valued on a last-in, first-out (LIFO) basis was $1,148 and $947, respectively. If valued on an average-cost basis, total inventories would have been $449 and $371 higher at September 30, 2017 and December 31, 2016, 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://www.xbrl.org/2003/role/presentationRef -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