Business Segment and Geographic Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Information on business segments

The following table presents information on our business segments.

	Three Months Ended March 31
Millions of dollars	2018			2017
Revenue:
Completion and Production	$	3,807		$	2,604
Drilling and Evaluation	1,933			1,675
Total revenue	$	5,740		$	4,279
Operating income:
Completion and Production	$	500		$	147
Drilling and Evaluation	188			122
Total operations	688			269
Corporate and other (a)	(69		)	(66		)
Impairments and other charges (b)	(265		)	—
Total operating income	$	354		$	203
Interest expense, net of interest income (c)	(140		)	(242		)
Other, net	(25		)	(18		)
Income (loss) from continuing operations before income taxes	$	189		$	(57	)

(a) Corporate and other includes certain expenses not attributable to a particular business segment such as costs related to support functions and corporate executives.

(b) Represents a pre-tax charge of $265 million related to a write-down of all of our remaining investment in Venezuela, consisting of receivables, fixed assets, inventory and other assets and liabilities in the three months ended March 31, 2018.

(c) Includes $104 million of costs related to the early extinguishment of $1.4 billion of senior notes in the three months ended March 31, 2017.