Consolidated Statements of Equity - USD ($) $ in Millions	Total	Valero Energy Corporation Stockholders' Equity [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]
Balance as of beginning of period at Dec. 31, 2022	$ 25,468	$ 23,561	$ 7	$ 6,863	$ (20,197)	$ 38,247	$ (1,359)	$ 1,907
Increase (Decrease) in Stockholders' Equity Roll Forward
Net income (loss)	9,149	8,835				8,835		314
Dividends on common stock	(1,452)	(1,452)				(1,452)
Stock-based compensation expense	94	94		94
Transactions in connection with stock-based compensation plans	7	7		(56)	63
Purchases of common stock for treasury	(5,188)	(5,188)			(5,188)
Contributions from noncontrolling interests	75							75
Distributions to noncontrolling interests	(164)							(164)
Other comprehensive income (loss)	535	489					489	46
Balance as of end of period at Dec. 31, 2023	28,524	26,346	7	6,901	(25,322)	45,630	(870)	2,178
Increase (Decrease) in Stockholders' Equity Roll Forward
Net income (loss)	3,006	2,770				2,770		236
Dividends on common stock	(1,384)	(1,384)				(1,384)
Stock-based compensation expense	89	89		89
Transactions in connection with stock-based compensation plans	1	1		(51)	52
Purchases of common stock for treasury	(2,908)	(2,908)			(2,908)
Contributions from noncontrolling interests	90							90
Distributions to noncontrolling interests	(182)							(182)
Conversion of IEnova Revolver debt to equity (see Notes 9 and 12)	732							732
Other comprehensive income (loss)	(447)	(402)					(402)	(45)
Balance as of end of period at Dec. 31, 2024	27,521	24,512	7	6,939	(28,178)	47,016	(1,272)	3,009
Increase (Decrease) in Stockholders' Equity Roll Forward
Net income (loss)	2,246	2,348				2,348		(102)
Dividends on common stock	(1,405)	(1,405)				(1,405)
Stock-based compensation expense	100	100		100
Transactions in connection with stock-based compensation plans	1	1		(58)	59
Purchases of common stock for treasury	(2,634)	(2,634)			(2,634)
Contributions from noncontrolling interests	328							328
Distributions to noncontrolling interests	(369)							(369)
Other comprehensive income (loss)	817	803					803	14
Balance as of end of period at Dec. 31, 2025	$ 26,605	$ 23,725	$ 7	$ 6,981	$ (30,753)	$ 47,959	$ (469)	$ 2,880