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Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Revenue: |  |  |  |
Revenue |  | $ 15,295 | $ 14,445 | $ 22,408
Operating costs and expenses: |  |  |  |
Impairments and other charges | [1] | 12 | 3,799 | 2,506
General and administrative |  | 204 | 182 | 227
Total operating costs and expenses |  | 13,495 | 16,881 | 22,856
Total operating income (loss) |  | 1,800 | (2,436) | (448)
Interest expense, net of interest income |  | (469) | (505) | (569)
Investment Income, Interest |  | 60 | 38 | 23
Gain (Loss) on Extinguishment of Debt |  | 0 | (168) | 0
Other, net |  | (79) | (111) | (105)
Income (loss) before income taxes |  | 1,252 | (3,220) | (1,122)
Income tax benefit (provision) |  | 216 | 278 | (7)
Net income (loss) |  | 1,468 | (2,942) | (1,129)
Net (income) loss attributable to noncontrolling interest |  | (11) | (3) | (2)
Net income (loss) attributable to company |  | 1,457 | (2,945) | (1,131)
Amounts attributable to company shareholders: |  |  |  |
Net income (loss) attributable to company |  | $ 1,457 | $ (2,945) | $ (1,131)
Basic and diluted income (loss) per share attributable to company shareholders: |  |  |  |
Net income (loss) per share (in dollars per share) |  | $ 1.63 | $ (3.34) | $ (1.29)
Weighted Average Number of Shares Outstanding, Basic and Diluted |  | 892,000 | 881,000 | 875,000
Services [Member] |  |  |  |
Revenue: |  |  |  |
Revenue |  | $ 10,989 | $ 10,203 | $ 16,884
Operating costs and expenses: |  |  |  |
Cost of services and sales |  | 9,745 | 9,458 | 15,684
Product sales [Member] |  |  |  |
Revenue: |  |  |  |
Revenue |  | 4,306 | 4,242 | 5,524
Operating costs and expenses: |  |  |  |
Cost of services and sales |  | $ 3,534 | $ 3,442 | $ 4,439
[1] | Impairments and other charges are as follows: -For the year ended December 31, 2021, amount includes approximately $42 million attributable to Completion and Production, $9 million attributable to Drilling and Evaluation, and a $39 million net gain attributable to Corporate and other. -For the year ended December 31, 2020, amount includes approximately $2.4 billion attributable to Completion and Production, $1.4 billion attributable to Drilling and Evaluation, and $62 million attributable to Corporate and other. -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.

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