Acquisitions, Divestitures and Other Transactions - Modified Sharing Arrangement (Details) - Plains Oryx Permian Basin LLC (Permian JV) - Modified Sharing Arrangement [Member]	12 Months Ended
	Dec. 31, 2021
Oryx Midstream Holdings LLC
Business Acquisition [Line Items]
Distribution percentage after termination of modified sharing arrangement	0.65
Oryx Midstream Holdings LLC | Maximum
Business Acquisition [Line Items]
Modified revenue sharing arrangement, term	10 years
Up to $300
Business Acquisition [Line Items]
Modified sharing arrangement, distribution percentage	50.00%
$300 - $428
Business Acquisition [Line Items]
Modified sharing arrangement, distribution percentage	100.00%
$428 - $815
Business Acquisition [Line Items]
Modified sharing arrangement, distribution percentage	65.00%
$815 and above
Business Acquisition [Line Items]
Modified sharing arrangement, distribution percentage	70.00%
Oryx Midstream Holdings LLC | Oryx Midstream Holdings LLC
Business Acquisition [Line Items]
Distribution percentage after termination of modified sharing arrangement	0.35
Oryx Midstream Holdings LLC | Up to $300
Business Acquisition [Line Items]
Modified sharing arrangement, distribution percentage	50.00%
Oryx Midstream Holdings LLC | $300 - $428
Business Acquisition [Line Items]
Modified sharing arrangement, distribution percentage	0.00%
Oryx Midstream Holdings LLC | $428 - $815
Business Acquisition [Line Items]
Modified sharing arrangement, distribution percentage	35.00%
Oryx Midstream Holdings LLC | $815 and above
Business Acquisition [Line Items]
Modified sharing arrangement, distribution percentage	30.00%