CONSOLIDATED STATEMENT OF EQUITY (UNAUDITED) - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Capital Stock Expense	Accumulated Other Comprehensive Income (Loss)	Non- controlling Interest
Beginning balance (shares) at Dec. 31, 2022		355
Beginning balance at Dec. 31, 2022	$ 20,889	$ 37	$ 9,803	$ 11,985	$ (1,038)	$ (122)	$ 22	$ 202
Beginning balance (shares) at Dec. 31, 2022					23
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,430			1,433				(3)
Common stock dividends	(288)			(288)
Issuance of common shares for stock plans	15		15
Common stock repurchases (in shares)		(9)			9
Common stock repurchases	(1,008)		(200)		$ (808)
Other comprehensive income (loss)	4						4
Distributions to noncontrolling interest	(4)							(4)
Disposal of the Clean Energy Businesses	(195)							(195)
Ending balance (shares) at Mar. 31, 2023		346
Ending balance at Mar. 31, 2023	$ 20,843	$ 37	9,618	13,130	$ (1,846)	(122)	26	0
Ending balance (shares) at Mar. 31, 2023					32
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock dividends per share (dollars per share)	$ 0.81
Beginning balance (shares) at Dec. 31, 2022		355
Beginning balance at Dec. 31, 2022	$ 20,889	$ 37	9,803	11,985	$ (1,038)	(122)	22	202
Beginning balance (shares) at Dec. 31, 2022					23
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	2,182
Ending balance (shares) at Sep. 30, 2023		345
Ending balance at Sep. 30, 2023	21,078	$ 37	9,834	13,321	$ (2,017)	(122)	25	0
Ending balance (shares) at Sep. 30, 2023					34
Beginning balance (shares) at Mar. 31, 2023		346
Beginning balance at Mar. 31, 2023	20,843	$ 37	9,618	13,130	$ (1,846)	(122)	26	0
Beginning balance (shares) at Mar. 31, 2023					32
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	226			226
Common stock dividends	(281)			(281)
Issuance of common shares for stock plans	20		20
Common stock repurchases (in shares)		(2)			2
Common stock repurchases	(2)		169		$ (171)
Other comprehensive income (loss)	(1)						(1)
Ending balance (shares) at Jun. 30, 2023		344
Ending balance at Jun. 30, 2023	$ 20,805	$ 37	9,807	13,075	$ (2,017)	(122)	25	0
Ending balance (shares) at Jun. 30, 2023					34
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock dividends per share (dollars per share)	$ 0.81
Net income (loss)	$ 526			526
Common stock dividends	(280)			(280)
Issuance of common shares for stock plans (in shares)		1
Issuance of common shares for stock plans	27		27
Ending balance (shares) at Sep. 30, 2023		345
Ending balance at Sep. 30, 2023	$ 21,078	$ 37	9,834	13,321	$ (2,017)	(122)	25	0
Ending balance (shares) at Sep. 30, 2023					34
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock dividends per share (dollars per share)	$ 0.81
Beginning balance (shares) at Dec. 31, 2023		345
Beginning balance at Dec. 31, 2023	$ 21,158	$ 37	9,861	13,377	$ (2,017)	(122)	22	0
Beginning balance (shares) at Dec. 31, 2023					34
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	720			720
Common stock dividends	(287)			(287)
Issuance of common shares for stock plans (in shares)		1
Issuance of common shares for stock plans	28	$ 1	27
Other comprehensive income (loss)	(4)						(4)
Ending balance (shares) at Mar. 31, 2024		346
Ending balance at Mar. 31, 2024	$ 21,615	$ 38	9,888	13,810	$ (2,017)	(122)	18	0
Ending balance (shares) at Mar. 31, 2024					34
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock dividends per share (dollars per share)	$ 0.83
Beginning balance (shares) at Dec. 31, 2023		345
Beginning balance at Dec. 31, 2023	$ 21,158	$ 37	9,861	13,377	$ (2,017)	(122)	22	0
Beginning balance (shares) at Dec. 31, 2023					34
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,510
Ending balance (shares) at Sep. 30, 2024		346
Ending balance at Sep. 30, 2024	21,898	$ 38	9,955	14,026	$ (2,017)	(122)	18	0
Ending balance (shares) at Sep. 30, 2024					34
Beginning balance (shares) at Mar. 31, 2024		346
Beginning balance at Mar. 31, 2024	21,615	$ 38	9,888	13,810	$ (2,017)	(122)	18	0
Beginning balance (shares) at Mar. 31, 2024					34
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	202			202
Common stock dividends	(287)			(287)
Issuance of common shares for stock plans	30		30
Ending balance (shares) at Jun. 30, 2024		346
Ending balance at Jun. 30, 2024	$ 21,560	$ 38	9,918	13,725	$ (2,017)	(122)	18	0
Ending balance (shares) at Jun. 30, 2024					34
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock dividends per share (dollars per share)	$ 0.83
Net income (loss)	$ 588			588
Common stock dividends	(287)			(287)
Issuance of common shares for stock plans	26		26
Stock awards	11		11
Ending balance (shares) at Sep. 30, 2024		346
Ending balance at Sep. 30, 2024	$ 21,898	$ 38	$ 9,955	$ 14,026	$ (2,017)	$ (122)	$ 18	$ 0
Ending balance (shares) at Sep. 30, 2024					34
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock dividends per share (dollars per share)	$ 0.83