Earnings Per Unit (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
BASIC EARNINGS PER COMMON UNIT
Net income attributable to common unitholders	$ 1,435	$ 1,405	$ 2,828	$ 2,861
Earnings allocated to phantom unit awards	(14)	(13)	(27)	(27)
Net income allocated to common unitholders	$ 1,421	$ 1,392	$ 2,801	$ 2,834
Basic weighted-average number of common units outstanding (in units)	2,168	2,171	2,167	2,171
Basic earnings per common unit (in dollars per unit)	$ 0.66	$ 0.64	$ 1.29	$ 1.31
DILUTED EARNINGS PER COMMON UNIT
Net income attributable to common unitholders	$ 1,435	$ 1,405	$ 2,828	$ 2,861
Net income attributable to preferred units	1	1	2	2
Net income attributable to limited partners	$ 1,436	$ 1,406	$ 2,830	$ 2,863
Diluted weighted-average number of units outstanding:
Distribution-bearing common units (in units)	2,168	2,171	2,167	2,171
Phantom units (in units)	20	21	21	21
Preferred units (in units)	2	2	2	2
Total (in units)	2,190	2,194	2,190	2,194
Diluted earnings per common unit (in dollars per unit)	$ 0.66	$ 0.64	$ 1.29	$ 1.30