Reportable Segments Table - Revenues (External and Intersegment) by Investments (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues	$ (22,939)	$ (16,664)	$ (69,375)	$ (48,760)
Intersegment Eliminations [Member]
Revenues	5,212	3,364	(14,971)	(9,617)
Intrastate Transportation And Storage [Member]
Revenues	(2,383)	(1,217)	(6,218)	(7,066)
Investment In Sunoco LP [Member]
Revenues	(6,594)	(4,779)	(19,811)	(12,642)
Investment In USAC [Member]
Revenues	(179)	(159)	(514)	(473)
Interstate Transportation and Storage [Member]
Revenues	(549)	(418)	(1,645)	(1,350)
Midstream [Member]
Revenues	(4,871)	(2,919)	(13,846)	(7,790)
NGL and refined products transportation and services [Member]
Revenues	(6,075)	(5,262)	(19,909)	(13,774)
Crude oil transportation and services [Member]
Revenues	(6,416)	(4,578)	(19,642)	(12,498)
Other Segments [Member]
Revenues	(1,084)	(696)	(2,761)	(2,784)
Intersegment [Member] \| Intrastate Transportation And Storage [Member]
Revenues	(302)	(105)	(668)	(1,126)
Intersegment [Member] \| Investment In Sunoco LP [Member]
Revenues	(17)	(7)	(44)	(16)
Intersegment [Member] \| Investment In USAC [Member]
Revenues	(3)	(3)	(11)	(9)
Intersegment [Member] \| Interstate Transportation and Storage [Member]
Revenues	(16)	(6)	(54)	(33)
Intersegment [Member] \| Midstream [Member]
Revenues	(3,756)	(2,359)	(10,447)	(6,081)
Intersegment [Member] \| NGL and refined products transportation and services [Member]
Revenues	(906)	(763)	(3,265)	(2,048)
Intersegment [Member] \| Crude oil transportation and services [Member]
Revenues	(1)	(1)	(2)	(1)
Intersegment [Member] \| Other Segments [Member]
Revenues	(211)	(120)	(480)	(303)
External Customers [Member] \| Intrastate Transportation And Storage [Member]
Revenues	(2,081)	(1,112)	(5,550)	(5,940)
External Customers [Member] \| Investment In Sunoco LP [Member]
Revenues	(6,577)	(4,772)	(19,767)	(12,626)
External Customers [Member] \| Investment In USAC [Member]
Revenues	(176)	(156)	(503)	(464)
External Customers [Member] \| Interstate Transportation and Storage [Member]
Revenues	(533)	(412)	(1,591)	(1,317)
External Customers [Member] \| Midstream [Member]
Revenues	(1,115)	(560)	(3,399)	(1,709)
External Customers [Member] \| NGL and refined products transportation and services [Member]
Revenues	(5,169)	(4,499)	(16,644)	(11,726)
External Customers [Member] \| Crude oil transportation and services [Member]
Revenues	(6,415)	(4,577)	(19,640)	(12,497)
External Customers [Member] \| Other Segments [Member]
Revenues	$ (873)	$ (576)	$ (2,281)	$ (2,481)