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v3.20.2

Segment Information - Schedule of Segment Reporting Information, by Segment (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | $ 5,356 | $ 8,269 | $ 12,811 | $ 16,149
Income (Loss) Before Taxes |  | (3,627) | 593 | (11,716) | 1,101
Pretax segment operating income |  | 396 | 968 | 1,172 | 1,876
Interest expense |  | 144 | 156 | 281 | 302
Reservoir Characterization |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | 1,052 | 1,558 | 2,363 | 3,017
Drilling |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | 1,731 | 2,420 | 4,020 | 4,806
Production |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | 1,615 | 3,077 | 4,318 | 5,967
Cameron |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | 1,015 | 1,328 | 2,270 | 2,586
Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | 5,356 | 8,269 | 12,811 | 16,149
Interest income |  |  | 2 | 1 | 5
Interest expense |  | 7 | 10 | 15 | 20
Operating Segments | Reservoir Characterization |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | 1,052 | 1,558 | 2,363 | 3,017
Income (Loss) Before Taxes |  | 185 | 317 | 369 | 598
Operating Segments | Drilling |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | 1,731 | 2,420 | 4,020 | 4,806
Income (Loss) Before Taxes |  | 165 | 301 | 450 | 608
Operating Segments | Production |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | 1,615 | 3,077 | 4,318 | 5,967
Income (Loss) Before Taxes |  | 25 | 235 | 237 | 453
Operating Segments | Cameron |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | 1,015 | 1,328 | 2,270 | 2,586
Income (Loss) Before Taxes |  | 80 | 165 | 201 | 313
Eliminations & other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | (57) | (114) | (160) | (227)
Income (Loss) Before Taxes |  | (59) | (50) | (85) | (96)
Corporate & other | [1] | (169) | (238) | (397) | (511)
Interest income | [2] | 7 | 9 | 22 | 18
Interest expense | [3] | (137) | $ (146) | (266) | $ (282)
Charges and credits | [4] | $ (3,724) |  | $ (12,247) |
[1] | Comprised principally of certain corporate expenses not allocated to the segments, stock-based compensation costs, amortization expense associated with certain intangible assets, certain centrally managed initiatives and other nonoperating items.
[2] | Interest income excludes amounts which are included in the segments’ income ($- million in 2020; $2 million in 2019).
[3] | Interest expense excludes amounts which are included in the segments’ income ($7 million in 2020; $10 million in 2019).
[4] | See Note 2 – Charges and Credits.

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