Capital Accounts, Noncontrolling Interests (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Noncontrolling Interest
Noncontrolling interests		$ 1,086	$ 1,079
Net income attributable to noncontrolling interests		125	125	$ 117
Breviloba LLC [Member]
Noncontrolling Interest
Noncontrolling interests	[1]	436	448
Whitehorn Pipeline Company LLC [Member]
Noncontrolling Interest
Noncontrolling interests	[2]	182	183
Enterprise Navigator Ethylene Terminal LLC [Member]
Noncontrolling Interest
Noncontrolling interests	[3]	166	141
Other [Member]
Noncontrolling Interest
Noncontrolling interests	[4]	$ 302	$ 307
Altus Midstream Processing LP [Member] | Breviloba LLC [Member]
Noncontrolling Interest
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		33.00%
Western Gas Partners, LP [Member] | Whitehorn Pipeline Company LLC [Member]
Noncontrolling Interest
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		20.00%
Navigator Ethylene Terminals LLC [Member] | Enterprise Navigator Ethylene Terminal LLC [Member]
Noncontrolling Interest
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		50.00%

[1] An affiliate of Kinetik Holdings Inc. owns a noncontrolling 33% equity interest in Breviloba, which owns the Shin Oak NGL Pipeline.

[2] An affiliate of Western Midstream Partners, LP (“Western Midstream”) owns a noncontrolling 20% equity interest in Whitethorn, which owns the Midland-to-Sealy section of our Midland-to-ECHO 1 Pipeline.

[3] Navigator Ethylene Terminals LLC owns a noncontrolling 50% equity interest in ENET, which owns our ethylene export terminal located at Morgan’s Point on the Houston Ship Channel.

[4] Primarily represents noncontrolling equity interests in NGL fractionation and pipeline businesses.