Inventories (Tables)

12 Months Ended

Dec. 31, 2012

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	2012		2011
Finished products and parts	$	2,264	$	1,801
Raw materials and supplies	793		673
Work in process	129		96
Total	$	3,186	$	2,570