Impairments and Other Charges (Credits) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Restructuring Cost and Reserve [Line Items] | ||||||||
| (Gain) Loss on Investments | $ (64) | $ 0 | $ (64) | $ 0 | ||||
| Gain (Loss) on Disposition of Business | (17) | 0 | (17) | 0 | ||||
| Severance costs | 0 | 0 | 0 | 107 | ||||
| Impairment of assets held for sale | 0 | 0 | 0 | 104 | ||||
| Impairment of real estate facilities | 0 | 0 | 0 | 53 | ||||
| Other | (48) | 0 | (48) | 92 | ||||
| Impairments and other (charges) credits | 95 | 0 | 95 | [1] | (356) | [1] | ||
| Gain (loss) from ownership change in equity investment | 54 | 54 | ||||||
| Gain (loss) from remeasuring an equity investment to fair value | 10 | 10 | ||||||
| Completion And Production [Member] | ||||||||
| Restructuring Cost and Reserve [Line Items] | ||||||||
| Impairments and other (charges) credits | 83 | 0 | 83 | (201) | ||||
| Drilling And Evaluation [Member] | ||||||||
| Restructuring Cost and Reserve [Line Items] | ||||||||
| Impairments and other (charges) credits | 16 | 0 | 16 | (85) | ||||
| Corporate and Other | ||||||||
| Restructuring Cost and Reserve [Line Items] | ||||||||
| Impairments and other (charges) credits | $ (4) | $ 0 | $ (4) | $ (70) | ||||
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