Consolidated Statements of Equity (unaudited) - USD ($) $ in Millions	Total	Valero Energy Corporation Stockholders' Equity [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Non-controlling Interests [Member]
Balance as of beginning 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	967	905				905		62
Dividends on common stock	(401)	(401)				(401)
Stock-based compensation expense	32	32		32
Transactions in connection with stock-based compensation plans	0	0		(27)	27
Purchases of common stock for treasury	(144)	(144)			(144)
Contributions from noncontrolling interests	165							165
Distributions to noncontrolling interests	(2)							(2)
Other comprehensive income (loss)	(24)	(1)					(1)	(23)
Balance as of end of period at Mar. 31, 2022	20,410	18,821	7	6,832	(15,794)	28,785	(1,009)	1,589
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	3,146	3,067				3,067		79
Dividends on common stock	(379)	(379)				(379)
Stock-based compensation expense	39	39		39
Transactions in connection with stock-based compensation plans	0	0		(25)	25
Purchases of common stock for treasury	(1,465)	(1,465)			(1,465)
Contributions from noncontrolling interests	75							75
Other comprehensive income (loss)	183	154					154	29
Balance as of end of period at Mar. 31, 2023	$ 27,067	$ 24,977	$ 7	$ 6,877	$ (21,637)	$ 40,935	$ (1,205)	$ 2,090