Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings (loss) per common share:
Net income (loss) attributable to Valero stockholders	$ 11,528	$ 930	$ (1,421)
Less: Income allocated to participating securities	43	6	5
Net income (loss) available to common stockholders	$ 11,485	$ 924	$ (1,426)
Weighted-average common shares outstanding (shares)	395	407	407
Earnings (loss) per common share (in usd per share)	$ 29.05	$ 2.27	$ (3.50)
Earnings (loss) per common share – assuming dilution:
Net income (loss) attributable to Valero stockholders	$ 11,528	$ 930	$ (1,421)
Less: Income allocated to participating securities	43	6	5
Net income (loss) available to common stockholders	$ 11,485	$ 924	$ (1,426)
Weighted-average common shares outstanding (shares)	395	407	407
Effect of dilutive securities (shares)	1	0	0
Weighted-average common shares outstanding – assuming dilution (shares)	396	407	407
Earnings (loss) per common share – assuming dilution (in usd per share)	$ 29.04	$ 2.27	$ (3.50)