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v3.25.1

Related Party Transactions - Narrative (Details) $ in Millions, $ in Millions | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Feb. 28, 2025 USD ($) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) | Feb. 28, 2025 CAD ($) | Dec. 31, 2024 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |
Investments in related party notes |  | $ 330 |  |  |
Proceeds from the issuance of related party notes |  | 330 |  |  |
Related party interest expense |  | 127 | $ 95 |  |
PAGP | Notes Due In June 2035 at 5.75 Percent | General Partner |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Related party note receivable | $ 330 |  |  | $ 473 |
Related party note payable | $ 330 |  |  | $ 473 |
Related party note payable and receivable interest rate (as a percent) | 5.75% |  |  |  |
Investments in related party notes | $ 330 |  |  |  |
Proceeds from the issuance of related party notes | $ 330 |  |  |  |
PAGP | Related Party Promissory Notes | General Partner |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Related party note receivable |  | 1,278 |  |  | $ 948
Related party note payable |  | 1,278 |  |  | 948
Related party interest receivable |  | 8 |  |  | 27
Related party interest payable |  | 8 |  |  | $ 27
Related party interest expense |  | 20 | 8 |  |
Related party interest income |  | $ 20 | $ 8 |  |

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