Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventory Disclosure [Abstract]

Inventories

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

Millions of dollars	June 30, 2013		December 31, 2012
Finished products and parts	$	2,362	$	2,264
Raw materials and supplies	831		793
Work in process	148		129
Total	$	3,341	$	3,186