Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net income	$ 875	$ 572	$ 1,457	$ 893
Other comprehensive income (loss):
Foreign currency translation adjustment	(291)	208	(246)	282
Net gain on pension and other postretirement benefits	9	4	17	7
Other comprehensive income (loss) before income tax expense	(282)	212	(229)	289
Income tax expense related to items of other comprehensive income (loss)	2	1	4	2
Other comprehensive income (loss)	(284)	211	(233)	287
Comprehensive income	591	783	1,224	1,180
Less: Comprehensive income attributable to noncontrolling interests	25	24	141	40
Comprehensive income attributable to Valero Energy Corporation stockholders	$ 566	$ 759	$ 1,083	$ 1,140