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Impairments and Other Charges (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Operating lease right-of-use assets |  | $ 972 |  | $ 972 |  | $ 1,022
Current portion of operating lease liabilities |  | 294 |  | 294 |  | $ 263
Gain (Loss) on Investments |  | (6) | $ (43) | (6) | $ (43) |
Other |  | 28 | 12 | 120 | 12 |
Impairments and other charges | [1] | 392 | 116 | 748 | 116 |
Severance costs |  | 169 | 63 | 276 | 63 |
Impairment Charge on Reclassified Assets |  | 96 | 49 | 200 | 49 |
Impairment of Real Estate |  | 0 | 0 | 53 | 0 |
Self Insurance Reserve, Current |  | (10) | 35 | (10) | 35 |
Gain (Loss) on Sale of Assets and Asset Impairment Charges |  | 115 | 0 | 115 | 0 |
Completion And Production [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Impairments and other charges |  | 252 | 45 | 453 | 45 |
Drilling And Evaluation [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Impairments and other charges |  | 140 | 34 | 225 | 34 |
Corporate Segment and Other Operating Segment [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Impairments and other charges |  | $ 0 | $ 37 | $ 70 | $ 37 |
[1] | For the three months ended September 30, 2025, the amount includes a $252 million charge attributable to Completion and Production, a $140 million charge attributable to Drilling and Evaluation segment. For the nine months ended September 30, 2025, the amount included a $453 million charge attributable to Completion and Production, a $225 million charge attributable to Drilling and Evaluation, and a $70 million charge attributable to Corporate and other. For the three and nine months ended September 30, 2024, the amount included a $45 million charge attributable to Completion and Production, a $34 million charge attributable to Drilling and Evaluation, and a $37 million charge attributable to Corporate and other. See Note 2 for further discussion on impairments and other charges.

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- Definition Amount of realized and unrealized gain (loss) on investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(9)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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