Capital Stock - Narrative (Details) - USD ($)	1 Months Ended			12 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Oct. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Feb. 28, 2022	Oct. 01, 2021
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Common stock, issued (in shares)				751,000,000	768,000,000
Cash dividends, per share (in dollars per share)		$ 0.20	$ 0.15	$ 1.17	$ 2.49	$ 1.12
Repurchase program authorized amount		$ 2,000,000,000					$ 1,250,000,000
Stock repurchased and retired during period (in shares)				17,000,000
Stock repurchased and retired during period				$ 418,000,000
Stock repurchase program, remaining authorized repurchase amount				$ 1,600,000,000
Shares withheld and retired for taxes (in shares)				332,634	320,236	125,067
Value of shares withheld for taxes				$ 9,000,000	$ 9,000,000	$ 3,000,000
Treasury stock (in shares)				0	0
Redeemable preferred stock outstanding (in shares)				4,265
Cimarex redeemable preferred stock				$ 8,000,000	$ 11,000,000
Subsequent Event
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Cash dividends, per share (in dollars per share)	$ 0.21
Redeemable Preferred Stock
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Preferred stock, par value (in dollars per share)			$ 0.01
Cimarex Stockholders
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Common stock, issued (in shares)								408,200,000