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v3.25.1

Acquisitions - Narrative (Details) $ in Millions |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2025 USD ($) | Feb. 28, 2025 USD ($) | Jan. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Mar. 31, 2025
Cheyenne Pipeline LLC |  |  |  |  |
Business Acquisition |  |  |  |  |
Ownership interest in unconsolidated entity (as a percent) |  | 50.00% |  |  |
Permian JV |  |  |  |  |
Business Acquisition |  |  |  |  |
Ownership interest in the Permian JV (as a percent) |  |  | 65.00% |  |
Ironwood Midstream Energy Partners II, LLC |  |  |  |  |
Business Acquisition |  |  |  |  |
Remaining weighted average life (in years) | 16 years |  | 16 years |  |
Ironwood Midstream Energy Partners II, LLC | Finite-Lived Intangible Assets | Level 3 | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow |  |  |  |  |
Business Acquisition |  |  |  |  |
Business combination, measurement input | 0.18 |  |  |  |
Ironwood Midstream Energy Partners II, LLC | Customer Relationships |  |  |  |  |
Business Acquisition |  |  |  |  |
Remaining weighted average life (in years) |  |  |  |  | 16 years
EMG Medallion 2 Holdings |  |  |  |  |
Business Acquisition |  |  |  |  |
Acquisition amount, net to our interest in the Permian JV |  |  | $ 106 |  |
Other payments to acquire businesses |  |  |  | $ 16 |
Cheyenne Pipeline LLC |  |  |  |  |
Business Acquisition |  |  |  |  |
Ownership interests acquired percentage (as a percent) |  | 50.00% |  |  |
Cheyenne Pipeline LLC | Gain (Loss) on Investments |  |  |  |  |
Business Acquisition |  |  |  |  |
Business combination, equity interest in acquiree, remeasurement gain |  | $ 31 |  |  |
EnCap Flatrock Midstream | Ironwood Midstream Energy Partners II, LLC |  |  |  |  |
Business Acquisition |  |  |  |  |
Acquisition amount | $ 481 |  |  |  |
The Energy & Minerals Group | EMG Medallion 2 Holdings | Permian JV |  |  |  |  |
Business Acquisition |  |  |  |  |
Acquisition amount |  |  | $ 163 |  |

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