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Regulatory Matters, Commitments, Contingencies And Environmental Liabilities Schedule of Right of Way Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract] |  |  |  |
ROW Expense | $ 9 | $ 10 | $ 15 | $ 19

X
- Definition The amount of expense during a period related to right of way contractual agreements. + References No definition available. + Details
Name: | et_ContractualRightofWayExpense
Namespace Prefix: | et_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration