Debt - Pre-Petition Revolving Credit Facility (Details) - Chesapeake revolving credit facility	12 Months Ended
	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Revolving credit, current borrowing capacity	$ 3,000,000,000
Revolving credit, maximum borrowing capacity	4,000,000,000
Debt, principal	1,929,000,000
Revolving credit, outstanding	$ 54,000,000
Alternative base rate (ABR) | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%
Alternative base rate (ABR) | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
London interbank offered rate (LIBOR) | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	3.50%
London interbank offered rate (LIBOR) | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%