Consolidated Statements of Operations - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Revenue:      
Revenue $ 23,995 $ 20,620 $ 15,887
Operating costs and expenses:      
Merger-related costs and termination fee 0 0 4,057
Impairments and other charges [1] 265 647 3,357
General and administrative 254 256 226
Total operating costs and expenses 21,528 19,246 22,657
Operating income (loss) 2,467 1,374 (6,770)
Interest expense, net of interest income (554) (593) (639)
Other, net (99) (99) (216)
Income (loss) from continuing operations before income taxes 1,814 682 (7,625)
Income tax benefit (provision) (157) (1,131) 1,858
Income (loss) from continuing operations 1,657 (449) (5,767)
Loss from discontinued operations, net 0 (19) (2)
Net income (loss) 1,657 (468) (5,769)
Net (income) loss attributable to noncontrolling interest (1) 5 6
Net income (loss) attributable to company 1,656 (463) (5,763)
Amounts attributable to company shareholders:      
Income (loss) from continuing operations 1,656 (444) (5,761)
Loss from discontinued operations, net 0 (19) (2)
Net income (loss) attributable to company $ 1,656 $ (463) $ (5,763)
Basic and diluted loss per share attributable to company shareholders:      
Income (loss) from continuing operations (in dollars per share) $ 1.89 $ (0.51) $ (6.69)
Loss from discontinued operations, net (in dollars per share) 0 (0.02) 0
Net income (loss) per share (in dollars per share) $ 1.89 $ (0.53) $ (6.69)
Basic weighted average common shares outstanding 875 870 861
Diluted weighted average common shares outstanding 877 870 861
Services [Member]      
Revenue:      
Revenue $ 18,444 $ 15,408 $ 11,140
Operating costs and expenses:      
Cost of services and sales 16,591 14,205 11,249
Product sales [Member]      
Revenue:      
Revenue 5,551 5,212 4,747
Operating costs and expenses:      
Cost of services and sales $ 4,418 $ 4,138 $ 3,768
[1] Impairments and other charges are as follows:
-For the year ended December 31, 2018, the aggregate charge of $265 million represents a write-down of all of our remaining investment in Venezuela, consisting of receivables, fixed assets, inventory and other assets and liabilities.
-For the year ended December 31, 2017, the aggregate charge of $647 million represents a fair market value adjustment on our existing promissory note with our primary customer in Venezuela and a full reserve against our other accounts receivable with this customer.
-For the year ended December 31, 2016, the aggregate charge of $3.4 billion consisted of fixed asset impairments and write-offs, inventory write-downs, impairments of intangible assets, severance costs, country and facility closures, and other charges related to the energy downturn. This included $2.1 billion attributable to Completion and Production, $1.2 billion attributable to Drilling and Evaluation and $10 million attributable to Corporate and other.