Business Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2011

Business Segment and Geographic Information [Abstract]

Information on business segments

Operations by business segment
	Year Ended December 31
Millions of dollars	2011			2010			2009
Revenue:
Completion and Production	$	15,143		$	9,997		$	7,419
Drilling and Evaluation		9,686			7,976			7,256
Total revenue	$	24,829		$	17,973		$	14,675
Operating income:
Completion and Production	$	3,733		$	2,032		$	1,016
Drilling and Evaluation		1,403			1,213			1,183
Total operations		5,136			3,245			2,199
Corporate and other		(399	)		(236	)		(205	)
Total operating income	$	4,737		$	3,009		$	1,994
Interest expense, net of interest income	$	(263	)	$	(297	)	$	(285	)
Other, net		(25	)		(57	)		(27	)
Income from continuing operations before
income taxes	$	4,449		$	2,655		$	1,682
Capital expenditures:
Completion and Production	$	1,669		$	1,010		$	900
Drilling and Evaluation		1,231			1,058			959
Corporate and other		53			1			5
Total	$	2,953		$	2,069		$	1,864
Depreciation, depletion, and amortization:
Completion and Production	$	680		$	537		$	437
Drilling and Evaluation		676			578			490
Corporate and other		3			4			4
Total	$	1,359		$	1,119		$	931

Reconciliation of assets from segments to consolidated

	December 31
Millions of dollars	2011		2010
Total assets:
Completion and Production	$	10,953	$	7,815
Drilling and Evaluation		8,212		7,088
Shared assets		1,249		942
Corporate and other		3,263		2,452
Total	$	23,677	$	18,297

Schedule of revenue and long-lived assets by geographic area

Operations by geographic area
	Year Ended December 31
Millions of dollars	2011		2010		2009
Revenue:
United States	$	13,548	$	8,209	$	5,248
Other countries		11,281		9,764		9,427
Total	$	24,829	$	17,973	$	14,675

	December 31
Millions of dollars	2011		2010
Long-lived assets:
United States	$	6,692	$	5,389
Other countries		5,189		3,821
Total	$	11,881	$	9,210