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ACQUISITIONS AND DISPOSITIONS - Narrative (Details) $ in Millions, $ in Millions |  |  |  |  |  | 7 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2024 CAD ($) | Sep. 30, 2024 USD ($) | May 31, 2024 CAD ($) | May 31, 2024 USD ($) | Mar. 06, 2024 CAD ($) | Mar. 06, 2024 USD ($) | Jan. 02, 2024 CAD ($) facility | Jan. 02, 2024 USD ($) | Apr. 03, 2023 CAD ($) | Apr. 03, 2023 USD ($) | Sep. 30, 2024 CAD ($) | Jan. 02, 2024 USD ($) facility | Apr. 03, 2023 USD ($)
PSNC Acquisation |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interests acquired (percent) | 100.00% |  |  |  |  |  |  |  |  |  | 100.00% |  |
Purchase price | $ 2,700 | $ 2,000 |  |  |  |  |  |  |  |  |  |  |
Cash | 2,682 |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment | 4,113 |  |  |  |  |  |  |  |  |  | $ 4,113 |  |
Long-term debt | $ 1,529 |  |  |  |  |  |  |  |  |  | 1,529 |  |
Questar Gas Company |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interests acquired (percent) |  |  | 100.00% |  |  |  |  |  |  |  |  |  |
Purchase price |  |  | $ 4,100 | $ 3,000 |  |  |  |  |  |  |  |  |
Cash |  |  | 4,107 |  |  |  |  |  |  |  |  |  |
Property, plant and equipment |  |  | 5,921 |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  | $ 1,343 |  |  |  |  |  |  |  |  |  |
EOG Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  | $ 5,800 | $ 4,300 |  |  |  |  |  |  |
Revenues generated by acquiree |  |  |  |  |  |  |  |  |  |  | 751 |  |
Earnings generated by acquiree |  |  |  |  |  |  |  |  |  |  | $ 170 |  |
Cash |  |  |  |  | 5,838 |  |  |  |  |  |  |  |
Property, plant and equipment |  |  |  |  | 7,253 |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  | $ 2,612 |  |  |  |  |  |  |  |
RNG Facilities |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  | $ 1,348 | $ 1,000 |  |  |  |  |
Number of facilities acquired | facility |  |  |  |  |  |  | 6 |  |  |  |  | 6 |
Cash |  |  |  |  |  |  | $ 584 | $ 439 |  |  |  |  |
Remaining consideration payable, payment period (in years) |  |  |  |  |  |  | 2 years | 2 years |  |  |  |  |
Contingent consideration payable |  |  |  |  |  |  | $ 757 |  |  |  |  | $ 568 |
Property, plant and equipment |  |  |  |  |  |  | $ 174 |  |  |  |  |  |
Tres Palacios Holdings LLC |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash |  |  |  |  |  |  |  |  | $ 451 | $ 335 |  |  |
Property, plant and equipment |  |  |  |  |  |  |  |  | 790 |  |  |  | $ 588
Cavern right-of-use assets |  |  |  |  |  |  |  |  | 254 |  |  |  | 189
Lease liabilities |  |  |  |  |  |  |  |  | 7 |  |  |  | 5
Long-term debt |  |  |  |  |  |  |  |  | $ 248 |  |  |  | $ 184

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