UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED EQUITY - USD ($) $ in Millions	Total	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interests in Consolidated Subsidiaries [Member]	Common Limited Partners Interests [Member]	Treasury Units [Member]
Balance at Dec. 31, 2021	$ 26,439	$ 286	$ 1,110	$ 26,340	$ (1,297)
Increase (Decrease) in Partners' Equity [Roll Forward]
Net income	2,769	0	62	2,707	0
Cash distributions paid to common unitholders	(2,026)	0	0	(2,026)	0
Cash payments made in connection with distribution equivalent rights	(17)	0	0	(17)	0
Cash distributions paid to noncontrolling interests	(82)	0	(82)	0	0
Cash contributions from noncontrolling interests	4	0	4	0	0
Repurchase and cancellation of common units under 2019 Buyback Program	(35)	0	0	(35)	0
Amortization of fair value of equity-based awards	79	0	0	79	0
Cash flow hedges	(109)	(109)	0	0	0
Other, net	(45)	0	0	(45)	0
Balance at Jun. 30, 2022	26,977	177	1,094	27,003	(1,297)
Balance at Mar. 31, 2022	26,657	240	1,104	26,610	(1,297)
Increase (Decrease) in Partners' Equity [Roll Forward]
Net income	1,439	0	28	1,411	0
Cash distributions paid to common unitholders	(1,014)	0	0	(1,014)	0
Cash payments made in connection with distribution equivalent rights	(9)	0	0	(9)	0
Cash distributions paid to noncontrolling interests	(40)	0	(40)	0	0
Cash contributions from noncontrolling interests	2	0	2	0	0
Repurchase and cancellation of common units under 2019 Buyback Program	(35)	0	0	(35)	0
Amortization of fair value of equity-based awards	41	0	0	41	0
Cash flow hedges	(63)	(63)	0	0	0
Other, net	(1)	0	0	(1)	0
Balance at Jun. 30, 2022	26,977	177	1,094	27,003	(1,297)
Balance at Dec. 31, 2022	27,702	365	1,079	27,555	(1,297)
Increase (Decrease) in Partners' Equity [Roll Forward]
Net income	2,703	0	60	2,643	0
Cash distributions paid to common unitholders	(2,129)	0	0	(2,129)	0
Cash payments made in connection with distribution equivalent rights	(19)	0	0	(19)	0
Cash distributions paid to noncontrolling interests	(81)	0	(81)	0	0
Cash contributions from noncontrolling interests	15	0	15	0	0
Repurchase and cancellation of common units under 2019 Buyback Program	(92)	0	0	(92)	0
Amortization of fair value of equity-based awards	85	0	0	85	0
Cash flow hedges	(97)	(97)	0	0	0
Other, net	(65)	0	(2)	(63)	0
Balance at Jun. 30, 2023	28,022	268	1,071	27,980	(1,297)
Balance at Mar. 31, 2023	27,859	241	1,072	27,843	(1,297)
Increase (Decrease) in Partners' Equity [Roll Forward]
Net income	1,282	0	29	1,253	0
Cash distributions paid to common unitholders	(1,065)	0	0	(1,065)	0
Cash payments made in connection with distribution equivalent rights	(10)	0	0	(10)	0
Cash distributions paid to noncontrolling interests	(39)	0	(39)	0	0
Cash contributions from noncontrolling interests	11	0	11	0	0
Repurchase and cancellation of common units under 2019 Buyback Program	(75)	0	0	(75)	0
Amortization of fair value of equity-based awards	44	0	0	44	0
Cash flow hedges	27	27	0	0	0
Other, net	(12)	0	(2)	(10)	0
Balance at Jun. 30, 2023	$ 28,022	$ 268	$ 1,071	$ 27,980	$ (1,297)