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Debt - Schedule of Long-Term Debt (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Long-term debt, fair value $ 1,950 $ 1,943
Premiums on senior notes 80 83
Debt issuance costs (5) (5)
Total long-term debt, net 2,025 2,028
Line of Credit | Revolving Credit Facility    
Debt Instrument [Line Items]    
Chesapeake revolving credit facility 0 0
Long-term debt, fair value $ 0 0
Senior Notes | 5.50% senior notes due 2026    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.50%  
Outstanding borrowings $ 500 500
Long-term debt, fair value $ 496 496
Senior Notes | 5.875% senior notes due 2029    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.875%  
Outstanding borrowings $ 500 500
Long-term debt, fair value $ 496 489
Senior Notes | 6.75% senior notes due 2029    
Debt Instrument [Line Items]    
Interest rate, stated percentage 6.75%  
Outstanding borrowings $ 950 950
Long-term debt, fair value $ 958 $ 958