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Debt - Revolving Credit Facility (Details) |  | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 03, 2019 USD ($) | Dec. 31, 2020 USD ($) | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2019 USD ($) | Dec. 02, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, principal |  | $ 9,095,000,000 |  |  |  | $ 8,916,000,000 |
Chesapeake revolving credit facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Revolving credit, current borrowing capacity |  | 3,000,000,000.0 |  |  |  |  |
Revolving credit, maximum borrowing capacity |  | 4,000,000,000.0 |  |  |  |  |
Revolving credit, outstanding |  | 54,000,000 |  |  |  |  |
Chesapeake revolving credit facility | Credit facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, principal |  | $ 1,929,000,000 |  |  |  | $ 1,590,000,000 |
Alternative base rate (ABR) | Chesapeake revolving credit facility | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate |  | 2.50% |  |  |  |  |
Alternative base rate (ABR) | Chesapeake revolving credit facility | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate |  | 1.50% |  |  |  |  |
London interbank offered rate (LIBOR) | Chesapeake revolving credit facility | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate |  | 3.50% |  |  |  |  |
London interbank offered rate (LIBOR) | Chesapeake revolving credit facility | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate |  | 2.50% |  |  |  |  |
Chesapeake Revolving Credit Facility | Chesapeake revolving credit facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Revolving credit, maximum borrowing capacity | $ 1,500,000,000 |  |  |  |  |  | $ 1,000,000,000
Reduction in borrowing rate | 25.00% |  |  |  |  |  |
Applicable margin increase | 0.0100 |  |  |  |  |  |
Required liquidity | $ 250,000,000 |  |  |  |  |  |
Leverage ratio | 2.50 |  |  |  |  |  |
Asset sales excess, threshold | $ 50,000,000 |  |  |  |  |  |
Forecast | Chesapeake Revolving Credit Facility | Chesapeake revolving credit facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Leverage ratio |  |  | 4.00 | 4.25 | 4.50 |  |

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