Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income	$ 4,156	$ 2,417	$ 4,101
Other comprehensive income (loss):
Foreign currency translation adjustment	514	(415)	(606)
Net gain (loss) on pension and other postretirement benefits	(65)	(98)	57
Other comprehensive income (loss) before income tax expense (benefit)	449	(513)	(549)
Income tax expense (benefit) related to items of other comprehensive income (loss)	(21)	(37)	17
Other comprehensive income (loss)	470	(476)	(566)
Comprehensive income	4,626	1,941	3,535
Less: Comprehensive income attributable to noncontrolling interests	91	129	111
Comprehensive income attributable to Valero Energy Corporation stockholders	$ 4,535	$ 1,812	$ 3,424