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Separation and Other Termination Costs
 12 Months Ended
Dec. 31, 2021
Restructuring and Related Activities [Abstract]  
Separation and Other Termination Costs
22.Separation and Other Termination Costs
In the 2021 Successor Period and 2021 Predecessor Period, we incurred charges in of approximately $11 million and $22 million, respectively, related to one-time termination benefits for certain employees. In the 2020 Predecessor Period and 2019 Predecessor Period, we incurred charges of approximately $44 million and $12 million, respectively, related to one-time termination benefits for certain employees.