Partners' Capital Narrative (Details) - shares	3 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Common Units
Schedule of Partners' Capital [Line Items]
Limited Partners' Capital Account, Units Outstanding	54,576,814
Common Units [Member]
Schedule of Partners' Capital [Line Items]
Limited Partners' Capital Account, Units Outstanding	83,040,781	82,985,941
Class C Units [Member]
Schedule of Partners' Capital [Line Items]
Limited Partners' Capital Account, Units Outstanding	16,410,780	16,410,780
Subsidiaries [Member] | Class C Units [Member]
Schedule of Partners' Capital [Line Items]
Limited Partners' Capital Account, Units Outstanding	16,410,780
Energy Transfer Operating, L.P. [Member]
Schedule of Partners' Capital [Line Items]
Percentage of Common Units Owned	28.60%
Energy Transfer Operating, L.P. [Member] | Common Units [Member]
Schedule of Partners' Capital [Line Items]
Limited Partners' Capital Account, Units Outstanding	28,463,967
Energy Transfer Operating, L.P. [Member] | Common Units [Member]
Schedule of Partners' Capital [Line Items]
Percentage of Common Units Owned	34.30%