Inventories (Tables)

12 Months Ended

Dec. 31, 2014

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	2014		2013
Finished products and parts	$	2,606	$	2,445
Raw materials and supplies	754		720
Work in process	211		140
Total	$	3,571	$	3,305