Inventories (Tables)

6 Months Ended

Jun. 30, 2011

Inventories

Summary Of Inventories

	June 30, 2011								December 31, 2010
(Millions of dollars)	LIFO			Non- LIFO		Total			LIFO			Non- LIFO		Total
At the lower of cost determined on the FIFO or weighted-average cost methods or market:
Raw materials	$	176		$	369	$	545		$	154		$	350	$	504
Work in process		215			140		355			195			144		339
Finished goods		759			825		1,584			715			763		1,478
Supplies and other		—			313		313			—			298		298
		1,150			1,647		2,797			1,064			1,555		2,619
Excess of FIFO or weighted-average cost over LIFO cost		(276	)		—		(276	)		(246	)		—		(246	)
Total	$	874		$	1,647	$	2,521		$	818		$	1,555	$	2,373