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Other Operating Expense (Income), Net
 3 Months Ended
Mar. 31, 2021
Other Income and Expenses [Abstract]  
Other Operating Expense (Income), Net
16.Other Operating Expense (Income), Net
In the 2020 Predecessor Period, we terminated certain gathering, processing and transportation contracts and recognized a non-recurring $79 million expense related to the contract terminations. The contract terminations removed approximately $169 million of future commitments related to gathering, processing and transportation agreements. See Note 6 for further discussion of contingencies and commitments.