Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Inventories

The cost of the remaining inventory was recorded on the average cost method. Inventories consisted of the following:

	December 31
Millions of dollars	2016		2015
Finished products and parts	$	1,388	$	1,992
Raw materials and supplies	778		879
Work in process	109		122
Total	$	2,275	$	2,993