Inventories (Tables)

6 Months Ended

Jun. 30, 2011

Inventories - (Policies) [Abstract]

Inventories [Table]

	June 30,		December 31,
Millions of dollars	2011		2010
Finished products and parts	$	1,559	$	1,369
Raw materials and supplies		621		496
Work in process		55		75
Total	$	2,235	$	1,940