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Contingencies and Commitments - Gathering Processing and Transportation Commitments Table (Details) - Gathering, processing and transportation agreement
$ in Millions
Sep. 30, 2019
USD ($)
Other Commitments [Line Items]  
Remainder of 2019 $ 201
2020 764
2021 673
2022 570
2023 480
2024 – 2035 2,731
Total $ 5,419