Consolidated Statements of Operations - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Revenue:      
Revenue $ 22,408 $ 23,995 $ 20,620
Operating costs and expenses:      
Impairments and other charges [1] 2,506 265 647
General and administrative 227 254 256
Total operating costs and expenses 22,856 21,528 19,246
Operating income (loss) (448) 2,467 1,374
Interest expense, net of interest income (569) (554) (593)
Other, net (105) (99) (99)
Income (loss) from continuing operations before income taxes (1,122) 1,814 682
Income tax benefit (provision) (7) (157) (1,131)
Income (loss) from continuing operations (1,129) 1,657 (449)
Loss from discontinued operations, net 0 0 (19)
Net income (loss) (1,129) 1,657 (468)
Net (income) loss attributable to noncontrolling interest (2) (1) 5
Net income (loss) attributable to company (1,131) 1,656 (463)
Amounts attributable to company shareholders:      
Income (loss) from continuing operations (1,131) 1,656 (444)
Loss from discontinued operations, net 0 0 (19)
Net income (loss) attributable to company $ (1,131) $ 1,656 $ (463)
Basic and diluted income (loss) per share attributable to company shareholders:      
Income (loss) from continuing operations (in dollars per share) $ (1.29) $ 1.89 $ (0.51)
Loss from discontinued operations, net (in dollars per share) 0 0 (0.02)
Net income (loss) per share (in dollars per share) $ (1.29) $ 1.89 $ (0.53)
Basic weighted average common shares outstanding 875 875 870
Diluted weighted average common shares outstanding 875 877 870
Services [Member]      
Revenue:      
Revenue $ 16,884 $ 18,444 $ 15,408
Operating costs and expenses:      
Cost of services and sales 15,684 16,591 14,205
Product sales [Member]      
Revenue:      
Revenue 5,524 5,551 5,212
Operating costs and expenses:      
Cost of services and sales $ 4,439 $ 4,418 $ 4,138
[1] Impairments and other charges are as follows:
-For the year ended December 31, 2019, amount includes approximately $1.6 billion attributable to Completion and Production, $849 million attributable to Drilling and Evaluation, and $56 million attributable to Corporate and other.
-For the years ended December 31, 2018 and December 31, 2017, we recorded aggregate charges of $265 million and $647 million, respectively, to write-down our investment in Venezuela.