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Contingencies and Commitments - Gathering Processing and Transportation Commitments Table (Details) - Gathering, processing and transportation agreement
$ in Millions
Sep. 30, 2020
USD ($)
Other Commitments [Line Items]  
Remainder of 2020 $ 255
2021 872
2022 804
2023 671
2024 597
2025 – 2034 3,051
Total $ 6,250