Capital Stock - Narrative (Details) - USD ($)	1 Months Ended		3 Months Ended	12 Months Ended
	Feb. 27, 2023	May 31, 2022	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Feb. 28, 2022	Oct. 31, 2021	Oct. 01, 2021	Sep. 29, 2021	Sep. 28, 2021
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Common stock, issued (in shares)			768,244,610	768,244,610	892,612,010
Common stock, authorized (in shares)			1,800,000,000	1,800,000,000	1,800,000,000					1,800,000,000	960,000,000
Cash dividends, per share (in dollars per share)			$ 0.15	$ 2.49	$ 1.12	$ 0.40
Preferred stock cash dividends				$ 1,000,000	$ 1,000,000
Preferred stock dividends paid, per share (in dollars per share)				$ 20.3125	$ 20.3125
Repurchase program authorized amount							$ 1,250,000,000
Stock repurchased during period (in shares)				48,000,000	0	0
Share repurchases				$ 1,250,000,000
Shares withheld for taxes (in shares)				320,236	125,067
Value of shares withheld for taxes				$ 9,000,000	$ 3,000,000
Treasury stock (in shares)			0	0	79,082,385
Cimarex redeemable preferred stock									$ 50,000,000
Redeemable preferred stock outstanding (in shares)			6,125	6,125
Cimarex redeemable preferred stock			$ 11,000,000	$ 11,000,000	$ 50,000,000
Common Stock
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Shares issued upon conversion (in shares)		809,846
Redeemable Preferred Stock
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Preferred stock, par value (in dollars per share)								$ 0.01
Conversion of common stock (in shares)		21,900
Conversion stock, cash		$ 10,000,000
Conversion of stock, amount		$ 39,000,000
Subsequent Event
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Cash dividends, per share (in dollars per share)	$ 0.20
Variable dividends (in dollars per share)	0.37
Dividends payable (in dollars per share)	$ 0.57
Repurchase program authorized amount	$ 2,000,000,000
Cimarex Stockholders
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Common stock, issued (in shares)									408,200,000
Cimarex Stockholders | Restricted Stock Awards
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Common stock, issued (in shares)									3,400,000