v3.22.1

Description of Business and Basis of Presentation - Assets and Investments Table (Details) | Mar. 31, 2022 unit
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Wholly Owned and Operated [Member] | Gathering Systems [Member] |
Assets [Line Items] |
Assets, number of units | 17
Wholly Owned and Operated [Member] | Treating Facilities [Member] |
Assets [Line Items] |
Assets, number of units | 37
Wholly Owned and Operated [Member] | Natural-Gas Processing Plants/Trains [Member] |
Assets [Line Items] |
Assets, number of units | 24
Wholly Owned and Operated [Member] | Natural-Gas Liquids Pipelines [Member] |
Assets [Line Items] |
Assets, number of units | 2
Wholly Owned and Operated [Member] | Natural-Gas Pipelines [Member] |
Assets [Line Items] |
Assets, number of units | 5
Wholly Owned and Operated [Member] | Crude-Oil Pipelines [Member] |
Assets [Line Items] |
Assets, number of units | 3
Operated Interests [Member] | Gathering Systems [Member] |
Assets [Line Items] |
Assets, number of units | 2
Operated Interests [Member] | Treating Facilities [Member] |
Assets [Line Items] |
Assets, number of units | 3
Operated Interests [Member] | Natural-Gas Processing Plants/Trains [Member] |
Assets [Line Items] |
Assets, number of units | 3
Operated Interests [Member] | Crude-Oil Pipelines [Member] |
Assets [Line Items] |
Assets, number of units | 1
Non-Operated Interests [Member] | Gathering Systems [Member] |
Assets [Line Items] |
Assets, number of units | 3
Equity Interests [Member] | Gathering Systems [Member] |
Assets [Line Items] |
Assets, number of units | 1
Equity Interests [Member] | Natural-Gas Processing Plants/Trains [Member] |
Assets [Line Items] |
Assets, number of units | 5
Equity Interests [Member] | Natural-Gas Liquids Pipelines [Member] |
Assets [Line Items] |
Assets, number of units | 5
Equity Interests [Member] | Natural-Gas Pipelines [Member] |
Assets [Line Items] |
Assets, number of units | 1
Equity Interests [Member] | Crude-Oil Pipelines [Member] |
Assets [Line Items] |
Assets, number of units | 4

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