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, 2020	$ 19,642	$ 18,801	$ 7	$ 6,814	$ (15,719)	$ 28,953	$ (1,254)	$ 841
Increase (Decrease) in Stockholders' Equity Roll Forward
Net income	1,288	930				930		358
Dividends on common stock	(1,602)	(1,602)				(1,602)
Stock-based compensation expense	80	80		80
Transactions in connection with stock-based compensation plans	2	2		(67)	69
Purchases of common stock for treasury	(27)	(27)			(27)
Contributions from noncontrolling interests	189							189
Distributions to noncontrolling interests	(2)							(2)
Other comprehensive income (loss)	247	246					246	1
Balance as of end of period at Dec. 31, 2021	19,817	18,430	7	6,827	(15,677)	28,281	(1,008)	1,387
Increase (Decrease) in Stockholders' Equity Roll Forward
Net income	11,879	11,528				11,528		351
Dividends on common stock	(1,562)	(1,562)				(1,562)
Stock-based compensation expense	89	89		89
Transactions in connection with stock-based compensation plans	4	4		(53)	57
Purchases of common stock for treasury	(4,577)	(4,577)			(4,577)
Contributions from noncontrolling interests	265							265
Distributions to noncontrolling interests	(93)							(93)
Other comprehensive income (loss)	(354)	(351)					(351)	(3)
Balance as of end 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	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