Consolidated Statements of Income (unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues	[1]	$ 29,520	$ 15,809	$ 78,074	$ 48,308
Cost of sales:
Cost of materials and other		26,624	14,801	70,865	43,832
Lower of cost or market (LCM) inventory valuation adjustment		0	(313)	0	(19)
Operating expenses (excluding depreciation and amortization expense reflected below)		1,348	1,117	4,218	3,268
Depreciation and amortization expense		630	602	1,772	1,737
Total cost of sales		28,602	16,207	76,855	48,818
Other operating expenses		19	25	69	30
General and administrative expenses (excluding depreciation and amortization expense reflected below)		195	186	579	532
Depreciation and amortization expense		11	12	35	37
Operating income (loss)		693	(621)	536	(1,109)
Other income, net		32	48	179	107
Interest and debt expense, net of capitalized interest		(152)	(143)	(451)	(410)
Income (loss) before income tax expense (benefit)		573	(716)	264	(1,412)
Income tax expense (benefit)		65	(337)	86	(614)
Net income (loss)		508	(379)	178	(798)
Less: Net income attributable to noncontrolling interests		45	85	257	264
Net income (loss) attributable to Valero Energy Corporation stockholders		$ 463	$ (464)	$ (79)	$ (1,062)
Earnings (loss) per common share (in dollars per share)		$ 1.13	$ (1.14)	$ (0.20)	$ (2.62)
Weighted-average common shares outstanding (in shares)		407	407	407	407
Earnings (loss) per common share – assuming dilution (in dollars per share)		$ 1.13	$ (1.14)	$ (0.20)	$ (2.62)
Weighted-average common shares outstanding – assuming dilution (in shares)		408	407	407	407
Supplemental information:
Includes excise taxes on sales by certain of our international operations		$ 1,610	$ 1,339	$ 4,152	$ 3,491

[1] Includes excise taxes on sales by certain of our international operations of $1,610 million and $1,339 million for the three months ended September 30, 2021 and 2020, respectively, and $4,152 million and $3,491 million for the nine months ended September 30, 2021 and 2020, respectively.