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v3.25.3

Investments (Tables) | 9 Months Ended
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Sep. 30, 2025
Investments [Abstract] |
Schedule of Components of Investment | The following table presents Devon's investments shown on the consolidated balance sheets.
|  | % Interest |  | Carrying Amount |
Investments |  | September 30, 2025 |  | September 30, 2025 |  |  | December 31, 2024 |
WaterBridge |  | 14% |  | $ | 271 |  |  | $ | 216 |
Catalyst |  | 50% |  |  | 254 |  |  |  | 273 |
Fervo |  | 17% |  |  | 104 |  |  |  | 115 |
Matterhorn |  | — |  |  | — |  |  |  | 69 |
Other |  | Various |  |  | 50 |  |  |  | 54 |
Total |  |  |  | $ | 679 |  |  | $ | 727 |

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- Definition Tabular disclosure of the summary of investment holdings. + References No definition available. + Details
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