Consolidated Statements of Income (unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Revenues	[1]	$ 24,263	$ 26,439
Cost of sales:
Cost of materials and other		21,978	23,756
Operating expenses (excluding depreciation and amortization expense reflected below)		1,215	1,136
Depreciation and amortization expense		537	485
Total cost of sales		23,730	25,377
Other operating expenses		2	10
General and administrative expenses (excluding depreciation and amortization expense reflected below)		209	238
Depreciation and amortization expense		14	13
Operating income (loss)		308	801
Other income, net		22	51
Interest and debt expense, net of capitalized interest		(112)	(121)
Income before income tax expense		218	731
Income tax expense		51	149
Net income		167	582
Less: Net income attributable to noncontrolling interests		26	113
Net income attributable to Valero Energy Corporation stockholders		$ 141	$ 469
Earnings per common share (in dollars per share)		$ 0.34	$ 1.09
Weighted-average common shares outstanding (in shares)		416	431
Earnings per common share – assuming dilution (in dollars per share)		$ 0.34	$ 1.09
Weighted-average common shares outstanding – assuming dilution (in shares)		418	432
Supplemental information:
Includes excise taxes on sales by certain of our international operations		$ 1,330	$ 1,464

[1] Includes excise taxes on sales by certain of our international operations of $1,330 million and $1,464 million for the three months ended March 31, 2019 and 2018, respectively.