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Related Party Transactions - Schedule of Costs and Expenses Attributable (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Related Party Transaction [Line Items] |  |  |  |
Operating costs and expenses | $ 9,592 | $ 11,762 | $ 23,282 | $ 24,736
General and administrative expenses | 68 | 57 | 128 | 123
Total costs and expenses | 9,660 | 11,819 | 23,410 | 24,859
EPCO and its privately held affiliates |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Total costs and expenses | 409 | 362 | 796 | 718
Administrative Services Agreement | EPCO and its privately held affiliates |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Operating costs and expenses | 364 | 319 | 715 | 633
General and administrative expenses | 39 | 38 | 68 | 74
Total costs and expenses | $ 403 | $ 357 | $ 783 | $ 707

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