Business Segment and Geographic Information (Tables)

3 Months Ended

Mar. 31, 2021

The following table presents information on our business segments.


	Three Months Ended March 31
Millions of dollars	2021		2020
Revenue:
Completion and Production	$	1,870	$	2,962
Drilling and Evaluation	1,581		2,075
Total revenue	$	3,451	$	5,037
Operating income (loss):
Completion and Production	$	252	$	345
Drilling and Evaluation	171		217
Total operations	423		562
Corporate and other (a)	(53)		(60)
Impairments and other charges (b)	—		(1,073)
Total operating income (loss)	$	370	$	(571)
Interest expense, net of interest income	(125)		(134)
Loss on early extinguishment of debt (c)	—		(168)
Other, net	(22)		(23)
Income (loss) before income taxes	$	223	$	(896)

(a) Includes certain expenses not attributable to a business segment, such as costs related to support functions and corporate executives, and also includes amortization expense associated with intangible assets recorded as a result of acquisitions.

(b) For the three months ended March 31, 2020, amount includes approximately $780 million attributable to Completion and Production, $277 million attributable to Drilling and Evaluation, and $16 million attributable to Corporate and other.

(c) For the three months ended March 31, 2020, amount includes a $168 million loss on extinguishment of debt related to the early repurchase of senior notes.