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Impairments and Other Charges (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Long-lived asset impairments |  | $ 108 |  | $ 150 | $ 0
Severance costs |  | 58 |  | 77 | 0
Inventory write-downs |  | 33 |  | 33 | 0
Venezuela investment write-down |  |  |  | 308 | 265
Other |  | 48 |  | 48 | 0
Impairments and other charges | [1] | 247 | $ 0 | 308 | 265
VENEZUELA |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Venezuela investment write-down |  | $ 0 |  | $ 0 | $ 265
[1] | For the three months ended June 30, 2019, amount includes $77 million attributable to Completion and Production, $142 million attributable to Drilling and Evaluation, and $28 million attributable to Corporate and other. For the six months ended June 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. During the six months ended June 30, 2018, we recognized a pre-tax charge of $265 million related to a write-down of all of our remaining investment in Venezuela. See Note 2 for further discussion on these impairments and other charges. There were no such impairments and other charges recorded during the three months ended June 30, 2018.

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