Consolidated Statements of Income (unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Operating revenues (a)	[1]	$ 21,772	$ 15,714
Costs and expenses:
Cost of sales (excluding the lower of cost or market inventory valuation adjustment)		19,428	13,507
Lower of cost or market inventory valuation adjustment		0	(293)
Operating expenses		1,117	1,030
General and administrative expenses		190	156
Depreciation and amortization expense		500	485
Total costs and expenses		21,235	14,885
Operating income		537	829
Other income, net		17	9
Interest and debt expense, net of capitalized interest		(121)	(108)
Income before income tax expense		433	730
Income tax expense		112	217
Net income		321	513
Less: Net income attributable to noncontrolling interests		16	18
Net income attributable to Valero Energy Corporation stockholders		$ 305	$ 495
Earnings per common share		$ 0.68	$ 1.05
Weighted-average common shares outstanding (in millions)		448	469
Earnings per common share – assuming dilution		$ 0.68	$ 1.05
Weighted-average common shares outstanding – assuming dilution (in millions)		451	471
Dividends per common share		$ 0.70	$ 0.60

[1] Includes excise taxes on sales by certain of our international operations of $1,272 million and $1,395 million for the three months ended March 31, 2017 and 2016, respectively.