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v3.23.2

Related Party Transactions - Promissory Notes with our General Partner (Details) $ in Millions, $ in Millions | 3 Months Ended | 4 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 CAD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |
Related party interest expense | $ 95 | $ 99 |  | $ 193 | $ 206 |
8.25% note due April 2027 | PAGP | General Partner |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Related party note receivable | 378 |  | $ 378 | 378 |  | $ 500
Related party note payable | 378 |  | $ 378 | 378 |  | $ 500
Related party note payable and receivable interest rate (as a percent) |  |  | 8.25% |  |  |
Related party interest receivable | 10 |  | $ 10 | 10 |  |
Related party interest payable | 10 |  | $ 10 | 10 |  |
Related party interest income | 7 |  |  | 10 |  |
Related party interest expense | $ 7 |  |  | $ 10 |  |

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