Reportable Segments Table - Revenues (External and Intersegment) by Investments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues	$ (21,629)	$ (18,995)
Intersegment Eliminations [Member]
Revenues	(3,023)	(3,469)
Intrastate Transportation And Storage [Member] | Operating Segments [Member]
Revenues	(918)	(1,290)
Intrastate Transportation And Storage [Member] | Operating Segments [Member] | External Customers [Member]
Revenues	(810)	(814)
Intrastate Transportation And Storage [Member] | Operating Segments [Member] | Intersegment [Member]
Revenues	(108)	(476)
Investment In Sunoco LP [Member] | Operating Segments [Member]
Revenues	(5,499)	(5,362)
Investment In Sunoco LP [Member] | Operating Segments [Member] | External Customers [Member]
Revenues	(5,495)	(5,349)
Investment In Sunoco LP [Member] | Operating Segments [Member] | Intersegment [Member]
Revenues	(4)	(13)
Investment In USAC [Member] | Operating Segments [Member]
Revenues	(229)	(197)
Investment In USAC [Member] | Operating Segments [Member] | External Customers [Member]
Revenues	(223)	(192)
Investment In USAC [Member] | Operating Segments [Member] | Intersegment [Member]
Revenues	(6)	(5)
Interstate Transportation and Storage [Member] | Operating Segments [Member]
Revenues	(602)	(634)
Interstate Transportation and Storage [Member] | Operating Segments [Member] | External Customers [Member]
Revenues	(595)	(622)
Interstate Transportation and Storage [Member] | Operating Segments [Member] | Intersegment [Member]
Revenues	(7)	(12)
Midstream [Member] | Operating Segments [Member]
Revenues	(2,774)	(2,754)
Midstream [Member] | Operating Segments [Member] | External Customers [Member]
Revenues	(806)	(809)
Midstream [Member] | Operating Segments [Member] | Intersegment [Member]
Revenues	(1,968)	(1,945)
NGL and refined products transportation and services [Member] | Operating Segments [Member]
Revenues	(6,526)	(5,603)
NGL and refined products transportation and services [Member] | Operating Segments [Member] | External Customers [Member]
Revenues	(5,684)	(4,737)
NGL and refined products transportation and services [Member] | Operating Segments [Member] | Intersegment [Member]
Revenues	(842)	(866)
Crude oil transportation and services [Member] | Operating Segments [Member]
Revenues	(7,638)	(6,080)
Crude oil transportation and services [Member] | Operating Segments [Member] | External Customers [Member]
Revenues	(7,638)	(6,079)
Crude oil transportation and services [Member] | Operating Segments [Member] | Intersegment [Member]
Revenues	0	(1)
Other Segments [Member] | Operating Segments [Member]
Revenues	(466)	(544)
Other Segments [Member] | Operating Segments [Member] | External Customers [Member]
Revenues	(378)	(393)
Other Segments [Member] | Operating Segments [Member] | Intersegment [Member]
Revenues	$ (88)	$ (151)