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Joint Ventures and Divestitures - Additional Information Joint Ventures (Details) $ in Millions |  | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 06, 2018 USD ($) MBbls / d JointVenture | Jan. 31, 2018 MMcf / d | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | May 31, 2018
Business Acquisition [Line Items] |  |  |  |  |  |
Fractionation-related infrastructure funded and owned percentage | 100.00% |  |  |  |  |
Carnero Joint Venture [Member] | TEXAS |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Ownership interest |  |  |  |  |  | 50.00%
DevCo JVs [Member] | Stonepeak Infrastructure Partners [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Option to acquire interest, minimum capital increments | $ | $ 100 |  |  |  |  |
Option to acquire, percentage of single final purchase | 50.00% |  |  |  |  |
DevCo JVs [Member] | Stonepeak Infrastructure Partners [Member] | Maximum [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percentage of option to purchase equity stake | 50.00% |  |  |  |  |
Stonepeak Infrastructure Partners [Member] | GCX DevCo JV [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Number of development joint ventures | JointVenture | 3 |  |  |  |  |
Ownership interest | 80.00% |  |  |  |  |
Stonepeak Infrastructure Partners [Member] | Train 6 DevCo JV [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Ownership interest | 80.00% |  |  |  |  |
Stonepeak Infrastructure Partners [Member] | Grand Prix DevCo JV [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Ownership interest | 95.00% |  |  |  |  |
GCX DevCo JV [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Ownership interest |  |  | 20.00% | 20.00% | 20.00% |
GCX DevCo JV [Member] | GCX [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Ownership interest | 25.00% |  | 25.00% | 25.00% | 25.00% |
Grand Prix DevCo JV [Member] | Grand Prix Joint Venture [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Ownership interest | 20.00% |  |  |  |  |
Train 6 [Member] | Mont Belvieu, Texas [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Capacity of pipeline | MBbls / d | 100 |  |  |  |  |
Train 6 [Member] | Train 6 DevCo JV [Member] | Mont Belvieu, Texas [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Ownership interest in assets | 100.00% |  |  |  |  |
Hess Midstream Partners LP [Member] | LM4 Plant [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Ownership interest |  | 50.00% |  |  |  |
Processing capacity | MMcf / d |  | 200 |  |  |  |

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