Earnings Per Unit (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
BASIC EARNINGS PER COMMON UNIT
Net income attributable to common unitholders		$ 5,487	$ 4,634	$ 3,775
Earnings allocated to phantom unit awards	[1]	(46)	(37)	(32)
Net income allocated to common unitholders		$ 5,441	$ 4,597	$ 3,743
Basic weighted-average number of common units outstanding (in units)		2,178	2,183	2,186
Basic earnings per common unit (in dollars per unit)		$ 2.5	$ 2.11	$ 1.71
DILUTED EARNINGS PER COMMON UNIT
Net income attributable to common unitholders		$ 5,487	$ 4,634	$ 3,775
Net income attributable to preferred units		3	4	1
Net income attributable to limited partners		$ 5,490	$ 4,638	$ 3,776
Diluted weighted-average number of units outstanding:
Distribution-bearing common units (in units)		2,178	2,183	2,186
Phantom units (in units)	[2]	19	18	16
Preferred units (in units)	[2]	2	2	0
Total (in units)		2,199	2,203	2,202
Diluted earnings per common unit (in dollars per unit)		$ 2.5	$ 2.1	$ 1.71

[1] Phantom units are considered participating securities for purposes of computing basic earnings per unit. See Note 13 for information regarding the phantom units. 

[2] We use the “if-converted method” to determine the potential dilutive effect of the vesting of phantom unit awards and the conversion of preferred units outstanding.  See Note 8 for information regarding preferred units.