v3.22.1

Description of Business and Basis of Presentation (Tables) | 3 Months Ended
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Mar. 31, 2022
Accounting Policies [Abstract] |
Assets and Investments Table | As of March 31, 2022, the Partnership’s assets and investments consisted of the following:
|  | Wholly Owned and Operated |  | Operated Interests |  | Non-Operated Interests |  | Equity Interests
Gathering systems (1) |  | 17 |  |  | 2 |  |  | 3 |  |  | 1 |
Treating facilities |  | 37 |  |  | 3 |  |  | — |  |  | — |
Natural-gas processing plants/trains |  | 24 |  |  | 3 |  |  | — |  |  | 5 |
NGLs pipelines |  | 2 |  |  | — |  |  | — |  |  | 5 |
Natural-gas pipelines |  | 5 |  |  | — |  |  | — |  |  | 1 |
Crude-oil pipelines |  | 3 |  |  | 1 |  |  | — |  |  | 4 |
_________________________________________________________________________________________ (1)Includes the DBM water systems.
Ownership Interests and Method of Consolidation Table | The following table outlines the ownership interests and the accounting method of consolidation used in the consolidated financial statements for entities not wholly owned:
|  | Percentage Interest
Full consolidation |  |
Chipeta (1) |  | 75.00 | %
Proportionate consolidation (2) |  |
Springfield system |  | 50.10 | %
Marcellus Interest systems |  | 33.75 | %
Equity investments (3) |  |
Mi Vida JV LLC (“Mi Vida”) |  | 50.00 | %
Ranch Westex JV LLC (“Ranch Westex”) |  | 50.00 | %
Front Range Pipeline LLC (“FRP”) |  | 33.33 | %
Red Bluff Express Pipeline, LLC (“Red Bluff Express”) |  | 30.00 | %
Enterprise EF78 LLC (“Mont Belvieu JV”) |  | 25.00 | %
Rendezvous Gas Services, LLC (“Rendezvous”) |  | 22.00 | %
Texas Express Pipeline LLC (“TEP”) |  | 20.00 | %
Texas Express Gathering LLC (“TEG”) |  | 20.00 | %
Whitethorn Pipeline Company LLC (“Whitethorn LLC”) |  | 20.00 | %
Saddlehorn Pipeline Company, LLC (“Saddlehorn”) |  | 20.00 | %
Cactus II Pipeline LLC (“Cactus II”) |  | 15.00 | %
Panola Pipeline Company, LLC (“Panola”) |  | 15.00 | %
White Cliffs Pipeline, LLC (“White Cliffs”) |  | 10.00 | %
_________________________________________________________________________________________ (1)The 25% third-party interest in Chipeta Processing LLC (“Chipeta”) is reflected within noncontrolling interests in the consolidated financial statements. See Noncontrolling interests below. (2)The Partnership proportionately consolidates its associated share of the assets, liabilities, revenues, and expenses attributable to these assets. (3)Investments in non-controlled entities over which the Partnership exercises significant influence are accounted for under the equity method of accounting. “Equity-investment throughput” refers to the Partnership’s share of average throughput for these investments.

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