Business Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2015

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	2015			2014			2013
Revenue:
Completion and Production	$	13,682		$	20,253		$	17,506
Drilling and Evaluation	9,951			12,617			11,896
Total revenue	$	23,633		$	32,870		$	29,402
Operating income (loss):
Completion and Production	$	1,069		$	3,670		$	2,875
Drilling and Evaluation	1,519			1,740			1,770
Total operations	2,588			5,410			4,645
Corporate and other	(576		)	(184		)	(1,507		)
Impairments and other charges (a)	(2,177		)	(129		)	—
Total operating income (loss)	$	(165	)	$	5,097		$	3,138
Interest expense, net of interest income	$	(447	)	$	(383	)	$	(331	)
Other, net	(324		)	(2		)	(43		)
Income (loss) from continuing operations before income taxes	$	(936	)	$	4,712		$	2,764
Capital expenditures:
Completion and Production	$	1,526		$	1,953		$	1,676
Drilling and Evaluation	650			1,297			1,210
Corporate and other	8			33			48
Total	$	2,184		$	3,283		$	2,934
Depreciation, depletion, and amortization:
Completion and Production	$	1,160		$	1,162		$	1,013
Drilling and Evaluation	638			934			873
Corporate and other	37			30			14
Total	$	1,835		$	2,126		$	1,900

(a) Includes $1.1 billion attributable to Completion and Production, $1.0 billion attributable to Drilling and Evaluation, and $88 million attributable to Corporate and other for the year ended December 31, 2015. Includes $60 million attributable to Completion and Production and $69 million attributable to Drilling and Evaluation for the year ended December 31, 2014.

Reconciliation of assets from segment to consolidated

	December 31
Millions of dollars	2015		2014
Total assets:
Completion and Production	$	13,628	$	16,033
Drilling and Evaluation	10,531		11,237
Shared assets	1,785		1,930
Corporate and other	10,998		2,965
Total	$	36,942	$	32,165

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

Operations by geographic region
	Year Ended December 31
Millions of dollars	2015		2014		2013
Revenue:
North America	$	10,856	$	17,698	$	15,212
Latin America	3,149		3,875		3,909
Europe/Africa/CIS	4,175		5,490		5,225
Middle East/Asia	5,453		5,807		5,056
Total	$	23,633	$	32,870	$	29,402

	December 31
Millions of dollars	2015		2014
Net property, plant, and equipment:
North America	$	5,745	$	6,057
Latin America	1,450		1,406
Europe/Africa/CIS	1,594		1,832
Middle East/Asia	2,122		3,180
Total	$	10,911	$	12,475