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Equity Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 31, 2018 | Apr. 30, 2018 | Feb. 28, 2018 | Jan. 31, 2018 | Jun. 30, 2018 | Dec. 31, 2018 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2020 | Dec. 31, 2019 | Apr. 02, 2018 | Dec. 31, 2017
Payments for Repurchase of Common Stock |  |  |  |  |  |  | $ 24.0 | $ 0.0 | [1] |  |  |  |
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax |  |  |  |  |  |  | $ 2.0 |  |  |  |  |  |
Limited Partners' Capital Account, Units Outstanding |  |  |  |  | 1,158,200,000 |  | 1,158,200,000 |  |  |  |  |  | 1,079,145,561
Stock Issued During Period, Shares, Conversion of Units |  |  |  |  |  |  | 79,100,000 |  |  |  |  |  |
Series A Convertible Preferred Units |  |  |  |  | $ 0.0 |  | $ 0.0 |  |  |  |  |  | $ 450.0
Losses from subsidiary common unit transactions |  |  |  |  |  |  | (125.0) | (51.0) |  |  |  |  |
Units issued for cash |  |  |  |  |  |  | 0.0 | 568.0 | [1] |  |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  |  |  | $ 936.0 |  | 936.0 |  |  |  |  |  |
Payments for Repurchase of Preferred Stock and Preference Stock |  |  |  |  |  |  | $ 0.0 | $ 53.0 | [1] |  |  |  |
ETP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent. |  |  |  |  | 27,500,000 |  | 27,500,000 |  |  |  |  |  |
Equity Distribution Agreements, Value of Units Available to be Issued |  |  |  |  | $ 752.0 |  | $ 752.0 |  |  |  |  |  |
Equity Distribution Agreement, Maximum Aggregate Value Of Common Units |  |  |  |  |  |  | 1,000.0 |  |  |  |  |  |
Stock Issued During Period, Value, Dividend Reinvestment Plan |  |  |  |  |  |  | 39.0 |  |  |  |  |  |
Proceeds From Issuance Of Common Limited Partners Units Under Equity Distribution Agreement |  |  |  |  |  |  | $ 0.0 |  |  |  |  |  |
Sunoco LP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent. |  |  |  |  | 2,300,000 |  | 2,300,000 |  |  |  |  |  |
Payments for Repurchase of Common Stock |  |  | $ 540.0 |  |  |  |  |  |  |  |  |  |
Stock Repurchased During Period, Shares |  |  | 17,286,859 |  |  |  |  |  |  |  |  |  |
USAC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent. |  |  |  |  | 20,500,000 |  | 20,500,000 |  |  |  |  |  |
Limited Partners' Capital Account, Units Outstanding |  |  |  |  | 89,953,049 |  | 89,953,049 |  |  |  |  |  |
Stock Issued During Period, Value, Dividend Reinvestment Plan |  |  |  |  |  |  | $ 0.2 |  |  |  |  |  |
Stock Issued During Period, Shares, Dividend Reinvestment Plan |  |  |  |  |  |  | 11,776 |  |  |  |  |  |
ETE [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Distribution Agreements, Value of Units Available to be Issued |  |  |  |  | $ 1,000.0 |  | $ 1,000.0 |  |  |  |  |  |
Proceeds From Issuance Of Common Limited Partners Units Under Equity Distribution Agreement |  |  |  |  |  |  | $ 0.0 |  |  |  |  |  |
Series A Preferred Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Issued |  |  |  |  | 950,000 |  | 950,000 |  |  |  |  |  |
Series A Preferred Units [Member] | Sunoco LP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock Redemption Premium |  |  |  | $ 313.0 |  |  |  |  |  |  |  |  |
Payments for Repurchase of Preferred Stock and Preference Stock |  |  |  | $ 300.0 |  |  |  |  |  |  |  |  |
Call premium on preferred units. |  |  |  | 1.00% |  |  |  |  |  |  |  |  |
Series B Preferred Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Issued |  |  |  |  | 550,000 |  | 550,000 |  |  |  |  |  |
Series C Preferred Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Units, Issued |  | 18,000,000 |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Dividend Rate, Percentage |  | 7.375% |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share |  | $ 25 |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Preferred Limited Partners Units |  | $ 450.0 |  |  |  |  |  |  |  |  |  |  |
Preferred Units, Liquidation Spread, Percent |  | 4.53% |  |  |  |  |  |  |  |  |  |  |
Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Limited Partners' Capital Account, Units Outstanding |  |  |  |  | 0 |  | 0 |  |  |  |  |  | 329,300,000
Stock Issued During Period, Shares, Conversion of Units |  |  |  |  |  |  | (329,300,000) |  |  |  |  |  |
Subsequent Event [Member] | ETE [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Relinquishment of Incentive Distributions |  |  |  |  |  | $ 69.0 |  |  |  | $ 33.0 | $ 128.0 |  |
Subsequent Event [Member] | Series D Preferred Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Units, Issued | 17,800,000 |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Dividend Rate, Percentage | 7.625% |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share | $ 25 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Preferred Limited Partners Units | $ 445.0 |  |  |  |  |  |  |  |  |  |  |  |
Preferred Units, Liquidation Spread, Percent | 4.378% |  |  |  |  |  |  |  |  |  |  |  |
ETP [Member] | USAC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent. |  |  |  |  | 19,191,351 |  | 19,191,351 |  |  |  |  |  |
ETP [Member] | Class B Units [Member] | USAC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent. |  |  |  |  | 6,397,965 |  | 6,397,965 |  |  |  |  |  |
ETE [Member] | USAC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common units of a subsidiary partnership that are held by a wholly-owned subsidiary of the Parent. |  |  |  |  | 20,466,912 |  | 20,466,912 |  |  |  |  |  |
Series A Convertible Preferred Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Distribution Made to Limited Partner, Distributions Declared, Per Unit |  |  |  |  | $ 0.11 |  |  |  |  |  |  |  |
Strike price of $17.03 [Member] | USAC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  |  |  |  |  |  |  | 5,000,000 |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  |  |  |  |  |  |  |  | $ 17.03 |
Strike price of $19.59 [Member] | USAC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  |  |  |  |  |  |  |  | $ 19.59 |
[1] | As adjusted. See Note 1.

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