|12 Months Ended|
Dec. 31, 2016
Inventories consisted of the following (dollars in millions):
For both December 31, 2016 and 2015, approximately 9% of inventories were recorded using the LIFO cost method.
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.
Reference 1: http://www.xbrl.org/2003/role/presentationRef