Organization and Principles of Consolidation - Additional Information (Details)	3 Months Ended
	Jun. 30, 2020 state
Sunoco LLC [Member] | Minimum [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of states in which entity operates (more than)	30
Energy Transfer Operating, L.P. [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Percentage of Common Units Owned	28.60%
Energy Transfer Operating, L.P. [Member] | Common Units [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Percentage of Common Units Owned	34.30%