Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments and Contingencies Disclosure [Abstract]

Product Warranty and Recall [Table Text Block]

The following table summarizes the changes in product warranty and recall reserves for the periods ending December 31, 2011 and 2010:

	Product Warranty						Product Recall						Total
Millions of dollars	2011			2010			2011			2010			2011			2010
Balance at January 1	$	202		$	187		$	15		$	2		$	217		$	189
Issuances/accruals during the period	344			349			—			78			344			427
Settlements made during the period	(355		)	(343		)	(6		)	(65		)	(361		)	(408		)
Other changes	—			9			(9		)	—			(9		)	9
Balance at December 31	$	191		$	202		$	—		$	15		$	191		$	217
Current portion	$	157		$	159		$	—		$	15		$	157		$	174
Non-current portion	34			43			—			—			34			43
Total	$	191		$	202		$	—		$	15		$	191		$	217

Operating Lease Commitments [Table Text Block]

At December 31, 2011, we had noncancelable operating lease commitments totaling $835 million. The annual future minimum lease payments are summarized by year in the table below:

Millions of dollars
2012	$	184
2013	149
2014	112
2015	97
2016	79
Thereafter	214
Total noncancelable operating lease commitments	$	835

Purchase Obligations [Table Text Block]

Our expected cash outflows resulting from purchase obligations are summarized by year in the table below:

Millions of dollars
2012	$	275
2013	165
2014	107
2015	68
2016	52
Thereafter	131
Total purchase obligations	$	798