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Acquisitions - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Oct. 01, 2021
Significant Acquisitions and Disposals |  |
Additions related to merger integration | $ 44 |
Employee Severance |  |
Significant Acquisitions and Disposals |  |
Additions related to merger integration | $ 44 |
Cimarex |  |
Significant Acquisitions and Disposals |  |
Issued restricted stock award | 3,400,000 |
Transaction costs | $ 42 |
Cimarex | Common Shares |  |
Significant Acquisitions and Disposals |  |
Right to receive (in shares) |  | 4.0146
Value of shares issued |  | $ 9,083

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