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Business Segment and Geographic Information (Tables)
3 Months Ended
Mar. 31, 2022
Segment Reporting [Abstract]  
Information on business segments
The following table presents information on our business segments.
 Three Months Ended
March 31
Millions of dollars20222021
Revenue:  
Completion and Production$2,353 $1,870 
Drilling and Evaluation1,931 1,581 
Total revenue$4,284 $3,451 
Operating income:
Completion and Production$296 $252 
Drilling and Evaluation294 171 
Total operations590 423 
Corporate and other (a)(57)(53)
Impairments and other charges (b)(22)— 
Total operating income$511 $370 
Interest expense, net of interest income(107)(125)
Loss on early extinguishment of debt (c)(42)— 
Other, net(30)(22)
Income before income taxes$332 $223 
(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, 2022, amount includes a $6 million charge attributable to Completions and Production, a $17 million charge attributable to Drilling and Evaluation, and a $1 million gain attributable to Corporate and other.
(c)
For the three months ended March 31, 2022, amount consists of a $42 million loss on the early redemption of senior notes.