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v3.25.4

Acquisitions and Other Transactions (Matterhorn) (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jun. 16, 2025 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Business Combination [Line Items] |  |  |  |
Investments - acquisitions and contributions |  | $ 1,008 | $ 464 | $ 98
Natural Gas & NGL Services [Member] |  |  |  |
Business Combination [Line Items] |  |  |  |
Basis difference |  | $ 124 | $ 198 |
MXP Parent, LLC |  |  |  |
Business Combination [Line Items] |  |  |  |
Equity Method Investment, Additional Ownership Acquired | 5.00% |  |  |
Ownership percentage | 10.00% |  |  |
Basis difference | $ 124 |  |  |
MXP Parent, LLC | Property, Plant and Equipment |  |  |  |
Business Combination [Line Items] |  |  |  |
Basis difference | 63 |  |  |
MXP Parent, LLC | Customer-Related Intangible Assets |  |  |  |
Business Combination [Line Items] |  |  |  |
Basis difference | 61 |  |  |
MXP Parent, LLC | Natural Gas & NGL Services [Member] |  |  |  |
Business Combination [Line Items] |  |  |  |
Investments - acquisitions and contributions | $ 151 |  |  |

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