Consolidated Statements of Income (unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Operating revenues (a)	[1]	$ 22,254	$ 19,584	$ 44,026	$ 35,298
Costs and expenses:
Cost of sales (excluding the lower of cost or market inventory valuation adjustment)		19,609	17,120	39,037	30,627
Lower of cost or market inventory valuation adjustment		0	(454)	0	(747)
Operating expenses		1,097	1,001	2,214	2,031
General and administrative expenses		178	159	368	315
Depreciation and amortization expense		499	471	999	956
Asset impairment loss		0	56	0	56
Total costs and expenses		21,383	18,353	42,618	33,238
Operating income		871	1,231	1,408	2,060
Other income, net		16	14	33	23
Interest and debt expense, net of capitalized interest		(119)	(111)	(240)	(219)
Income before income tax expense		768	1,134	1,201	1,864
Income tax expense		196	291	308	508
Net income		572	843	893	1,356
Less: Net income attributable to noncontrolling interests		24	29	40	47
Net income attributable to Valero Energy Corporation stockholders		$ 548	$ 814	$ 853	$ 1,309
Earnings per common share		$ 1.23	$ 1.74	$ 1.90	$ 2.79
Weighted-average common shares outstanding (in millions)		444	467	446	468
Earnings per common share – assuming dilution		$ 1.23	$ 1.73	$ 1.90	$ 2.78
Weighted-average common shares outstanding – assuming dilution (in millions)		446	470	448	471
Dividends per common share		$ 0.70	$ 0.60	$ 1.40	$ 1.20

[1] Includes excise taxes on sales by certain of our international operations of $1,384 million and $1,470 million for the three months ended June 30, 2017 and 2016, respectively, and $2,656 million and $2,865 million for the six months ended June 30, 2017 and 2016, respectively.