Consolidated Statements of Income (unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Revenues	[1]	$ 20,806	$ 22,102
Cost of sales:
Cost of materials and other		18,992	19,952
Lower of cost or market (LCM) inventory valuation adjustment		0	2,542
Operating expenses (excluding depreciation and amortization expense reflected below)		1,656	1,124
Depreciation and amortization expense		566	569
Total cost of sales		21,214	24,187
Other operating expenses		38	2
General and administrative expenses (excluding depreciation and amortization expense reflected below)		208	177
Depreciation and amortization expense		12	13
Operating loss		(666)	(2,277)
Other income, net		45	32
Interest and debt expense, net of capitalized interest		(149)	(125)
Loss before income tax benefit		(770)	(2,370)
Income tax benefit		(148)	(616)
Net loss		(622)	(1,754)
Less: Net income attributable to noncontrolling interests		82	97
Net loss attributable to Valero Energy Corporation stockholders		$ (704)	$ (1,851)
Loss per common share (in dollars per share)		$ (1.73)	$ (4.54)
Weighted-average common shares outstanding (in shares)		407	408
Loss per common share – assuming dilution (in dollars per share)		$ (1.73)	$ (4.54)
Weighted-average common shares outstanding – assuming dilution (in shares)		407	408
Supplemental information:
Includes excise taxes on sales by certain of our international operations		$ 1,120	$ 1,368

[1] Includes excise taxes on sales by certain of our international operations of $1,120 million and $1,368 million for the three months ended March 31, 2021 and 2020, respectively.