Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Schedule of earnings per common share, basic and diluted

Earnings per common share were computed as follows (dollars and shares in millions, except per share amounts):

	Year Ended December 31,
	2018		2017		2016
Earnings per common share:
Net income attributable to Valero stockholders	$	3,122	$	4,065	$	2,289
Less income allocated to participating securities	9		14		7
Net income available to common shareholders	$	3,113	$	4,051	$	2,282
Weighted-average common shares outstanding	426		442		461
Earnings per common share	$	7.30	$	9.17	$	4.94
Earnings per common share – assuming dilution:
Net income attributable to Valero stockholders	$	3,122	$	4,065	$	2,289
Weighted-average common shares outstanding	426		442		461
Effect of dilutive securities	2		2		3
Weighted-average common shares outstanding – assuming dilution	428		444		464
Earnings per common share – assuming dilution	$	7.29	$	9.16	$	4.94