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Business Segment and Geographic Information (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Revenue: |  |  |  |  |  |  |  |
Revenue |  | $ 2,975,000,000 |  | $ 5,550,000,000 | $ 11,208,000,000 |  | $ 17,217,000,000 |
Operating income (loss): |  |  |  |  |  |  |  |
Impairments and other charges |  | (133,000,000) | [1] | 0 | (3,353,000,000) | [1] | (308,000,000) | [1]
Operating income |  | 142,000,000 |  | 536,000,000 | (2,340,000,000) |  | 1,204,000,000 |
Interest expense, net of interest income |  | (122,000,000) |  | (141,000,000) | (380,000,000) |  | (428,000,000) |
Other, net |  | (21,000,000) |  | (23,000,000) | (92,000,000) |  | (61,000,000) |
Income (loss) from continuing operations before income taxes |  | (1,000,000) |  | 372,000,000 | (2,980,000,000) |  | 715,000,000 |
Loss on early extinguishment of debt |  | 0 |  | 0 | (168,000,000) | [2] | 0 |
Long-term Debt, Excluding Current Maturities |  | 1,500,000,000 |  |  | 1,500,000,000 |  |  |
Completion and Production |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |
Revenue |  | 1,574,000,000 |  | 3,506,000,000 | 6,029,000,000 |  | 10,973,000,000 |
Operating income (loss): |  |  |  |  |  |  |  |
Impairments and other charges |  | (90,000,000,000) |  |  | (2,100,000,000) |  | (127,000,000) |
Operating income |  | 212,000,000 |  | 446,000,000 | 713,000,000 |  | 1,284,000,000 |
Drilling and Evaluation |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |
Revenue |  | 1,401,000,000 |  | 2,044,000,000 | 5,179,000,000 |  | 6,244,000,000 |
Operating income (loss): |  |  |  |  |  |  |  |
Impairments and other charges |  | (40,000,000) |  |  | (1,200,000,000) |  | (153,000,000) |
Operating income |  | 105,000,000 |  | 150,000,000 | 452,000,000 |  | 418,000,000 |
Total operations |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |
Revenue |  | 2,975,000,000 |  | 5,550,000,000 | 11,208,000,000 |  | 17,217,000,000 |
Operating income (loss): |  |  |  |  |  |  |  |
Operating income |  | 317,000,000 |  | 596,000,000 | 1,165,000,000 |  | 1,702,000,000 |
Corporate and other |  |  |  |  |  |  |  |
Operating income (loss): |  |  |  |  |  |  |  |
Operating income | [3] | (42,000,000) |  | $ (60,000,000) | (152,000,000) |  | (190,000,000) |
Corporate and Other [Member] |  |  |  |  |  |  |  |
Operating income (loss): |  |  |  |  |  |  |  |
Impairments and other charges |  | $ (3,000,000) |  |  | $ (44,000,000) |  | $ (28,000,000) |
[1] | For the three months ended September 30, 2020, amount includes approximately $90 million attributable to Completion and Production, $40 million attributable to Drilling and Evaluation, and $3 million attributable to Corporate and other. For the nine months ended September 30, 2020, amount includes $2.1 billion attributable to Completion and Production, $1.2 billion attributable to Drilling and Evaluation, and $44 million attributable to Corporate and other. For the nine months ended September 30, 2019, amount includes $127 million attributable to Completion and Production, $153 million attributable to Drilling and Evaluation, and $28 million attributable to Corporate and other. See Note 2 for further discussion on these impairments and other charges. There were no impairments and other charges recorded during the three months ended September 30, 2019.
[2] | For the nine months ended September 30, 2020, amount includes a $168 million loss on extinguishment of debt related to the early repurchase of senior notes. See Note 6 for further discussion on this charge.
[3] | Includes certain expenses not attributable to a business segment, such as costs related to support functions and corporate executives, and includes amortization expense associated with intangible assets recorded as a result of acquisitions.

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