Consolidated Statements of Income (unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues	[1]	$ 27,748	$ 10,397	$ 48,554	$ 32,499
Cost of sales:
Cost of materials and other		25,249	9,079	44,241	29,031
Lower of cost or market (LCM) inventory valuation adjustment		0	(2,248)	0	294
Operating expenses (excluding depreciation and amortization expense reflected below)		1,214	1,027	2,870	2,151
Depreciation and amortization expense		576	566	1,142	1,135
Total cost of sales		27,039	8,424	48,253	32,611
Other operating expenses		12	3	50	5
General and administrative expenses (excluding depreciation and amortization expense reflected below)		176	169	384	346
Depreciation and amortization expense		12	12	24	25
Operating income (loss)		509	1,789	(157)	(488)
Other income, net		102	27	147	59
Interest and debt expense, net of capitalized interest		(150)	(142)	(299)	(267)
Income (loss) before income tax expense (benefit)		461	1,674	(309)	(696)
Income tax expense (benefit)		169	339	21	(277)
Net income (loss)		292	1,335	(330)	(419)
Less: Net income attributable to noncontrolling interests		130	82	212	179
Net income (loss) attributable to Valero Energy Corporation stockholders		$ 162	$ 1,253	$ (542)	$ (598)
Earnings (loss) per common share (in dollars per share)		$ 0.39	$ 3.07	$ (1.34)	$ (1.48)
Weighted-average common shares outstanding (in shares)		407	406	407	407
Earnings (loss) per common share – assuming dilution (in dollars per share)		$ 0.39	$ 3.07	$ (1.34)	$ (1.48)
Weighted-average common shares outstanding – assuming dilution (in shares)		407	407	407	407
Supplemental information:
Includes excise taxes on sales by certain of our international operations		$ 1,422	$ 784	$ 2,542	$ 2,152

[1] Includes excise taxes on sales by certain of our international operations of $1,422 million and $784 million for the three months ended June 30, 2021 and 2020, respectively, and $2,542 million and $2,152 million for the six months ended June 30, 2021 and 2020, respectively.