|12 Months Ended|
Dec. 31, 2019
Inventories consisted of the following (dollars in millions):
For December 31, 2019 and 2018, approximately 9% and 6% of inventories were recorded using the LIFO cost method, respectively.
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/disclosureRef