XML 103 R14.htm IDEA: XBRL DOCUMENT

Inventories	12 Months Ended
Inventories	Dec. 31, 2019
Inventory Disclosure [Abstract]
Inventories	Inventories The cost of approximately 56% and 58% of inventories at December 31, 2019 and 2018, respectively, was determined using the LIFO method. The stated LIFO amounts of inventories were approximately $0.6 billion and $0.7 billion lower than the current cost of inventories at December 31, 2019 and 2018, respectively.