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Income Taxes Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Operating Loss Carryforwards [Line Items] |  |  |
Deferred Tax Liabilities, Gross | $ 4,452,000,000 | $ 4,375,000,000 |
Net operating losses and other carryforwards | 803,000,000 | 1,047,000,000 |
Valuation allowance | (34,000,000) | (134,000,000) |
State | 24,000,000 | 32,000,000 | $ (2,000,000)
Deferred Income Tax Expense (Benefit) | 141,000,000 | $ 210,000,000 | $ 217,000,000
Tax Credit Carryforward, Valuation Allowance | 9,000,000 |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 56,000,000 |  |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate, After Tax | 51,000,000 |  |
Unrecognized Tax Benefits, Interest on Income Taxes Expense | 7,000,000 |  |
Income Tax Examination, Penalties and Interest Accrued | 17,000,000 |  |
Corporate Subsidiaries [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred Tax Asset, Interest Carryforward | 79,000,000 |  |
Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 116,000,000 |  |
Sunoco LP [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Estimated Litigation Liability | 530,000,000 |  |
Sunoco Property Company LLC [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards | 114,000,000 |  |
Sunoco Retail LLC |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards | 0 |  |
ETP Holdco |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | 1,100,000,000 |  |
Operating Loss Carryforwards | 3,100,000,000 |  |
CANADA |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards | 6,000,000 |  |
PENNSYLVANIA |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
State | 67,000,000 |  |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies | 34,000,000 |  |
Net of federal tax benefits | PENNSYLVANIA |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
State | 53,000,000 |  |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies | 27,000,000 |  |
Limited NOL Carryforward | ETP Holdco |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards | 338,000,000 |  |
Canada, Dollars | Corporate Subsidiaries [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Tax Credit Carryforward, Valuation Allowance | $ 25,000,000 |  |

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