Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net income (loss)	$ (1,107)	$ 2,784	$ 3,353
Other comprehensive income (loss):
Foreign currency translation adjustment	161	349	(517)
Net gain (loss) on pension and other postretirement benefits	(80)	(234)	49
Net gain (loss) on cash flow hedges	2	(8)
Net gain (loss) on cash flow hedges			0
Other comprehensive income (loss) before income tax expense (benefit)	83	107	(468)
Income tax expense (benefit) related to items of other comprehensive income (loss)	(16)	(48)	10
Other comprehensive income (loss)	99	155	(478)
Comprehensive income (loss)	(1,008)	2,939	2,875
Less: Comprehensive income attributable to noncontrolling interests	316	361	229
Comprehensive income (loss) attributable to Valero Energy Corporation stockholders	$ (1,324)	$ 2,578	$ 2,646