Intangible Assets and Goodwill, Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2022 USD ($)
Changes in carrying amount of goodwill [Roll Forward]
Balance at beginning of period	$ 5,449
Goodwill related to acquisition	159	[1]
Balance at end of period	5,608
NGL Pipelines & Services [Member]
Changes in carrying amount of goodwill [Roll Forward]
Balance at beginning of period	2,652
Goodwill related to acquisition	159	[1]
Balance at end of period	2,811
Crude Oil Pipelines & Services [Member]
Changes in carrying amount of goodwill [Roll Forward]
Balance at beginning of period	1,841
Goodwill related to acquisition	0	[1]
Balance at end of period	1,841
Natural Gas Pipelines & Services [Member]
Changes in carrying amount of goodwill [Roll Forward]
Balance at beginning of period	0
Goodwill related to acquisition	0	[1]
Balance at end of period	0
Petrochemical & Refined Products Services [Member]
Changes in carrying amount of goodwill [Roll Forward]
Balance at beginning of period	956
Goodwill related to acquisition	0	[1]
Balance at end of period	$ 956

[1] This amount represents the goodwill recognized in connection with our acquisition of Navitas Midstream in February 2022.  See Note 12 for additional information regarding this acquisition.