Consolidated Statements of Income (unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues	[1]	$ 28,933	$ 31,015	$ 53,196	$ 57,454
Cost of sales:
Cost of materials and other		26,083	27,860	48,061	51,616
Operating expenses (excluding depreciation and amortization expense reflected below)		1,175	1,110	2,390	2,246
Depreciation and amortization expense		552	510	1,089	995
Total cost of sales		27,810	29,480	51,540	54,857
Other operating expenses		2	21	4	31
General and administrative expenses (excluding depreciation and amortization expense reflected below)		199	248	408	486
Depreciation and amortization expense		14	13	28	26
Operating income (loss)		908	1,253	1,216	2,054
Other income (expense), net		12	(5)	34	46
Interest and debt expense, net of capitalized interest		(112)	(124)	(224)	(245)
Income before income tax expense		808	1,124	1,026	1,855
Income tax expense		160	249	211	398
Net income		648	875	815	1,457
Less: Net income attributable to noncontrolling interests		36	30	62	143
Net income attributable to Valero Energy Corporation stockholders		$ 612	$ 845	$ 753	$ 1,314
Earnings per common share (in dollars per share)		$ 1.47	$ 1.96	$ 1.80	$ 3.05
Weighted-average common shares outstanding (in shares)		415	429	416	430
Earnings per common share – assuming dilution (in dollars per share)		$ 1.47	$ 1.96	$ 1.80	$ 3.04
Weighted-average common shares outstanding – assuming dilution (in shares)		417	431	417	432
Supplemental information:
Includes excise taxes on sales by certain of our international operations		$ 1,410	$ 1,470	$ 2,740	$ 2,934

[1] Includes excise taxes on sales by certain of our international operations of $1,410 million and $1,470 million for the three months ended June 30, 2019 and 2018, respectively, and $2,740 million and $2,934 million for the six months ended June 30, 2019 and 2018, respectively.