Restructuring Charges (Tables)

12 Months Ended

Dec. 31, 2011

Restructuring Charges [Abstract]

Schedule of Restructuring Reserve Old Plans [Table Text Block]

The following tables summarize the changes to our restructuring liability for the Old Plans and the 2011 Plan for the year ended December 31, 2011.

"Old Plans" Millions of dollars	12/31/2010		Charge to Earnings		Cash Paid			Non-cash and Other			Revision of Estimate			Transfer to "2011 Plan"			12/31/2011
Termination costs	$	36	$	37	$	(51	)	$	—		$	—		$	(22	)	$	—
Non-employee exit costs	14		21		(9		)	(5		)	(4		)	(17		)	—
Total	$	50	$	58	$	(60	)	$	(5	)	$	(4	)	$	(39	)	$	—

Schedule of Restructuring Charges New Plan [Table Text Block]

"2011 Plan" Millions of dollars	12/31/2010		Transfer from "Old Plans"		Charge to Earnings		Cash Paid			Non-cash and Other			Revision of Estimate		12/31/2011		Cumulative Charges		Expected Total Charges
Termination costs	$	—	$	22	$	56	$	(15	)	$	(1	)	$	—	$	62	$	56	$	310
Non-employee exit costs	—		17		22		(10		)	(13		)	—		16		22		190
Total	$	—	$	39	$	78	$	(25	)	$	(14	)	$	—	$	78	$	78	$	500

Restructuring Charges by Segment [Table Text Block]

The following table summarizes restructuring charges for the 2011 Plan, by operating segment, for the year ended December 31, 2011. For additional information about restructuring charges by operating segment, see Note 13 of the Notes to the Consolidated Financial Statements.

Millions of dollars	2011 Charges		Cumulative Charges		Expected Total Charges
North America	$	53	$	53	$	342
Latin America	2		2		10
EMEA	21		21		135
Asia	1		1		10
Corporate / Other	1		1		3
Total	$	78	$	78	$	500