Consolidated Condensed Statements of Equity - USD ($) $ in Millions	Total	Preferred Stock	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interest
Beginning balance at Dec. 31, 2022	$ 30,085	$ 9,762	$ 220	$ (13,772)	$ 17,181	$ 16,499	$ 195
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,498					3,498
Other comprehensive income (loss), net of tax	98						98
Dividends on common stock	(485)					(485)
Dividends on preferred stock	(567)					(567)
Preferred stock redemption - face value	(1,511)	(1,511)
Preferred stock redemption - premium	(151)					(151)
Preferred stock redemption value in excess of carrying value	0	36				(36)
Shareholder warrants exercised	57				57
Options exercised	13				13
Issuance of common stock and other, net of cancellations	76		1		75
Purchases of treasury stock	(1,801)			(1,801)
Ending balance at Sep. 30, 2023	29,312	8,287	221	(15,573)	17,326	18,758	293
Beginning balance at Jun. 30, 2023	29,111	8,621	221	(14,958)	17,218	17,762	247
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,375					1,375
Other comprehensive income (loss), net of tax	46						46
Dividends on common stock	(160)					(160)
Dividends on preferred stock	(177)					(177)
Preferred stock redemption - face value	(342)	(342)
Preferred stock redemption - premium	(34)					(34)
Preferred stock redemption value in excess of carrying value	0	8				(8)
Shareholder warrants exercised	54				54
Issuance of common stock and other, net of cancellations	54				54
Purchases of treasury stock	(615)			(615)
Ending balance at Sep. 30, 2023	29,312	8,287	221	(15,573)	17,326	18,758	293
Beginning balance at Dec. 31, 2023	30,250
Beginning balance, including NCI at Dec. 31, 2023	30,349	8,287	222	(15,582)	17,422	19,626	275	$ 99
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,198					3,183		15
Other comprehensive income (loss), net of tax	(26)						(26)
Dividends on common stock	(606)					(606)
Dividends on preferred stock	(509)					(509)
Shareholder warrants exercised	554		4		550
Issuance of common stock and other, net of cancellations	82		1		81
Purchases of treasury stock	(9)			(9)
Common Stock issued for CrownRock acquisition	1,755		6		1,749
Noncontrolling interest contributions, net	146							146
Ending balance, including NCI at Sep. 30, 2024	34,934	8,287	233	(15,591)	19,802	21,694	249	260
Ending balance at Sep. 30, 2024	34,674
Beginning balance, including NCI at Jun. 30, 2024	32,259	8,287	227	(15,591)	17,928	20,938	264	206
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,140					1,133		7
Other comprehensive income (loss), net of tax	(15)						(15)
Dividends on common stock	(208)					(208)
Dividends on preferred stock	(169)					(169)
Shareholder warrants exercised	67				67
Issuance of common stock and other, net of cancellations	58				58
Common Stock issued for CrownRock acquisition	1,755		6		1,749
Noncontrolling interest contributions, net	47							47
Ending balance, including NCI at Sep. 30, 2024	34,934	$ 8,287	$ 233	$ (15,591)	$ 19,802	$ 21,694	$ 249	$ 260
Ending balance at Sep. 30, 2024	$ 34,674