CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Treasury Shares	Paid-In Capital	Accumulated Other Comprehensive Income	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2022		768
Beginning balance (in shares) at Dec. 31, 2022			0
Balance at beginning of period at Dec. 31, 2022	$ 12,659	$ 77	$ 0	$ 7,933	$ 13	$ 4,636
Increase (Decrease) in Stockholders' Equity
Net income	677					677
Stock amortization and vesting	13			13
Conversion of Cimarex redeemable preferred stock	3			3
Common stock repurchases (in shares)			11
Common stock repurchases	(271)		$ (271)
Common stock retirements (in shares)		(11)	(11)
Common stock retirements	0	$ (1)	$ 271	(270)
Cash dividends on common stock	(438)					(438)
Ending balance (in shares) at Mar. 31, 2023		757
Ending balance (in shares) at Mar. 31, 2023			0
Balance at end of period at Mar. 31, 2023	12,643	$ 76	$ 0	7,679	13	4,875
Beginning balance (in shares) at Dec. 31, 2022		768
Beginning balance (in shares) at Dec. 31, 2022			0
Balance at beginning of period at Dec. 31, 2022	12,659	$ 77	$ 0	7,933	13	4,636
Increase (Decrease) in Stockholders' Equity
Net income	1,209
Ending balance (in shares) at Sep. 30, 2023		753
Ending balance (in shares) at Sep. 30, 2023			0
Balance at end of period at Sep. 30, 2023	12,789	$ 75	$ 0	7,601	12	5,101
Beginning balance (in shares) at Mar. 31, 2023		757
Beginning balance (in shares) at Mar. 31, 2023			0
Balance at beginning of period at Mar. 31, 2023	12,643	$ 76	$ 0	7,679	13	4,875
Increase (Decrease) in Stockholders' Equity
Net income	209					209
Stock amortization and vesting	17			17
Common stock repurchases (in shares)			2
Common stock repurchases	(57)		$ (57)
Common stock retirements (in shares)		(2)	(2)
Common stock retirements	0		$ 57	(57)
Cash dividends on common stock	(153)					(153)
Ending balance (in shares) at Jun. 30, 2023		755
Ending balance (in shares) at Jun. 30, 2023			0
Balance at end of period at Jun. 30, 2023	12,659	$ 76	$ 0	7,639	13	4,931
Increase (Decrease) in Stockholders' Equity
Net income	323					323
Stock amortization and vesting	21			21
Common stock repurchases (in shares)			2
Common stock repurchases	(60)		$ (60)
Common stock retirements (in shares)		(2)	(2)
Common stock retirements	0	$ (1)	$ 60	(59)
Cash dividends on common stock	(153)					(153)
Other comprehensive loss	(1)				(1)
Ending balance (in shares) at Sep. 30, 2023		753
Ending balance (in shares) at Sep. 30, 2023			0
Balance at end of period at Sep. 30, 2023	12,789	$ 75	$ 0	7,601	12	5,101
Beginning balance (in shares) at Dec. 31, 2023		751
Beginning balance (in shares) at Dec. 31, 2023			0
Balance at beginning of period at Dec. 31, 2023	13,039	$ 75	$ 0	7,587	11	5,366
Increase (Decrease) in Stockholders' Equity
Net income	352					352
Stock amortization and vesting	15			15
Common stock repurchases (in shares)			6
Common stock repurchases	(157)		$ (157)
Common stock retirements (in shares)		(6)	(6)
Common stock retirements	0		$ 157	(157)
Cash dividends on common stock	(160)					(160)
Ending balance (in shares) at Mar. 31, 2024		745
Ending balance (in shares) at Mar. 31, 2024			0
Balance at end of period at Mar. 31, 2024	13,089	$ 75	$ 0	7,445	11	5,558
Beginning balance (in shares) at Dec. 31, 2023		751
Beginning balance (in shares) at Dec. 31, 2023			0
Balance at beginning of period at Dec. 31, 2023	13,039	$ 75	$ 0	7,587	11	5,366
Increase (Decrease) in Stockholders' Equity
Net income	824
Ending balance (in shares) at Sep. 30, 2024		736
Ending balance (in shares) at Sep. 30, 2024			0
Balance at end of period at Sep. 30, 2024	13,034	$ 74	$ 0	7,233	11	5,716
Beginning balance (in shares) at Mar. 31, 2024		745
Beginning balance (in shares) at Mar. 31, 2024			0
Balance at beginning of period at Mar. 31, 2024	13,089	$ 75	$ 0	7,445	11	5,558
Increase (Decrease) in Stockholders' Equity
Net income	220					220
Exercise of stock options	1			1
Stock amortization and vesting	16			16
Common stock repurchases (in shares)			5
Common stock repurchases	(139)		$ (139)
Common stock retirements (in shares)		(5)	(5)
Common stock retirements	0	$ (1)	$ 139	(138)
Cash dividends on common stock	(158)					(158)
Ending balance (in shares) at Jun. 30, 2024		740
Ending balance (in shares) at Jun. 30, 2024			0
Balance at end of period at Jun. 30, 2024	13,029	$ 74	$ 0	7,324	11	5,620
Increase (Decrease) in Stockholders' Equity
Net income	252					252
Stock amortization and vesting	17			17
Common stock repurchases (in shares)			4
Common stock repurchases	(108)		$ (108)
Common stock retirements (in shares)		(4)	(4)
Common stock retirements	0		$ 108	(108)
Cash dividends on common stock	(156)					(156)
Ending balance (in shares) at Sep. 30, 2024		736
Ending balance (in shares) at Sep. 30, 2024			0
Balance at end of period at Sep. 30, 2024	$ 13,034	$ 74	$ 0	$ 7,233	$ 11	$ 5,716