Consolidated Statements of Income (unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Revenues	[1]	$ 26,439	$ 21,772
Cost of sales:
Cost of materials and other		23,756	19,428
Operating expenses (excluding depreciation and amortization expense reflected below)		1,136	1,124
Depreciation and amortization expense		485	488
Total cost of sales		25,377	21,040
Other operating expenses		10	0
General and administrative expenses (excluding depreciation and amortization expense reflected below)		238	192
Depreciation and amortization expense		13	12
Operating income		801	528
Other income, net		51	26
Interest and debt expense, net of capitalized interest		(121)	(121)
Income before income tax expense		731	433
Income tax expense		149	112
Net income		582	321
Less: Net income attributable to noncontrolling interests		113	16
Net income attributable to Valero Energy Corporation stockholders		$ 469	$ 305
Earnings per common share (in dollars per share)		$ 1.09	$ 0.68
Weighted-average common shares outstanding (in shares)		431	448
Earnings per common share – assuming dilution (in dollars per share)		$ 1.09	$ 0.68
Weighted-average common shares outstanding – assuming dilution (in shares)		432	451
Dividends per common share (in dollars per share)		$ 0.8	$ 0.7

[1] Includes excise taxes on sales by certain of our international operations of $1,464 million and $1,272 million for the three months ended March 31, 2018 and 2017, respectively.