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Fresh Start Accounting - Changes in Long-Term Debt (Details)
$ in Millions
Feb. 09, 2021
USD ($)
Reorganization, Chapter 11 [Line Items]  
Long-term debt, net $ 1,313
Reorganization Adjustments  
Reorganization, Chapter 11 [Line Items]  
Issuance of the Notes 1,000
Chesapeake revolving credit facility 750
Payments on Tranche A Loans (479)
Debt issuance costs for the Notes (10)
Long-term debt, net $ 1,261