Business Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2012

Segment Reporting [Abstract]

Information on business segments

The following tables present information on our business segments.

Operations by business segment
	Year Ended December 31
Millions of dollars	2012			2011			2010
Revenue:
Completion and Production	$	17,380		$	15,143		$	9,997
Drilling and Evaluation	11,123			9,686			7,976
Total revenue	$	28,503		$	24,829		$	17,973
Operating income:
Completion and Production	$	3,144		$	3,733		$	2,032
Drilling and Evaluation	1,675			1,403			1,213
Total operations	4,819			5,136			3,245
Corporate and other	(660		)	(399		)	(236		)
Total operating income	$	4,159		$	4,737		$	3,009
Interest expense, net of interest income	$	(298	)	$	(263	)	$	(297	)
Other, net	(39		)	(25		)	(57		)
Income from continuing operations before income taxes	$	3,822		$	4,449		$	2,655
Capital expenditures:
Completion and Production	$	2,177		$	1,669		$	1,010
Drilling and Evaluation	1,318			1,231			1,058
Corporate and other	71			53			1
Total	$	3,566		$	2,953		$	2,069
Depreciation, depletion, and amortization:
Completion and Production	$	843		$	680		$	537
Drilling and Evaluation	783			676			578
Corporate and other	2			3			4
Total	$	1,628		$	1,359		$	1,119

Reconciliation of assets from segment to consolidated

	December 31
Millions of dollars	2012		2011
Total assets:
Completion and Production	$	13,313	$	10,953
Drilling and Evaluation	9,290		8,212
Shared assets	1,376		1,249
Corporate and other	3,431		3,263
Total	$	27,410	$	23,677

Schedule of revenue from external customers and long-lived assets, by geographical areas

Operations by geographic area
	Year Ended December 31
Millions of dollars	2012		2011		2010
Revenue:
United States	$	15,057	$	13,548	$	8,209
Other countries	13,446		11,281		9,764
Total	$	28,503	$	24,829	$	17,973

	December 31
Millions of dollars	2012		2011
Long-lived assets:
United States	$	7,219	$	6,602
Other countries	6,633		5,189
Total	$	13,852	$	11,791