Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings per common share:
Net income attributable to Valero stockholders	$ 3,067	$ 905
Less: Income allocated to participating securities	10	3
Net income available to common stockholders	$ 3,057	$ 902
Weighted-average common shares outstanding (in shares)	369	408
Earnings (loss) per common share (in dollars per share)	$ 8.30	$ 2.21
Earnings per common share – assuming dilution:
Net income attributable to Valero stockholders	$ 3,067	$ 905
Less: Income allocated to participating securities	10	3
Net income available to common stockholders	$ 3,057	$ 902
Weighted-average common shares outstanding (in shares)	369	408
Effect of dilutive securities (in shares)	0	0
Weighted-average common shares outstanding – assuming dilution (in shares)	369	408
Earnings (loss) per common share – assuming dilution (in dollars per share)	$ 8.29	$ 2.21