Inventories (Tables)

12 Months Ended

Dec. 31, 2015

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	2015		2014
Finished products and parts	$	1,747	$	2,606
Raw materials and supplies	548		754
Work in process	122		211
Total	$	2,417	$	3,571