Consolidated Statements of Equity - USD ($) $ in Millions	Total	VIEs Other than Valero Energy Partners LP [Member]	Valero Energy Partners LP [Member]	Stock-Based Compensation Plans Repurchase Program [Member]	Common Stock Repurchase Programs [Member]	Parent [Member]	Parent [Member] Stock-Based Compensation Plans Repurchase Program [Member]	Parent [Member] Common Stock Repurchase Programs [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Treasury Stock [Member] Stock-Based Compensation Plans Repurchase Program [Member]	Treasury Stock [Member] Common Stock Repurchase Programs [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Non-controlling Interests [Member]	Non-controlling Interests [Member] VIEs Other than Valero Energy Partners LP [Member]	Non-controlling Interests [Member] Valero Energy Partners LP [Member]
Beginning balance at Dec. 31, 2013	$ 19,946					$ 19,460			$ 7	$ 7,187	$ (7,054)			$ 18,970	$ 350	$ 486
Increase (Decrease) in Equity Roll Forward
Net income	3,711					3,630								3,630		81
Dividends on common stock	(554)					(554)								(554)
Stock-based compensation expense	60					60				60
Tax deduction in excess of stock- based compensation expense	47					47				47
Transactions in connection with stock-based compensation plans:
Stock issuances	47					47				(178)	225
Stock purchases				$ (128)	$ (1,168)		$ (128)	$ (1,168)				$ (128)	$ (1,168)
Contributions from noncontrolling interests		$ 12															$ 12
Distributions to noncontrolling interests	(12)															(12)
Other comprehensive income (loss)	(717)					(717)									(717)	0
Ending balance at Dec. 31, 2014	21,244					20,677			7	7,116	(8,125)			22,046	(367)	567
Increase (Decrease) in Equity Roll Forward
Net income	4,101					3,990								3,990		111
Dividends on common stock	(848)					(848)								(848)
Stock-based compensation expense	59					59				59
Tax deduction in excess of stock- based compensation expense	44					44				44
Transactions in connection with stock-based compensation plans:
Stock issuances	34					34				(155)	189
Stock purchases				(196)	(2,667)		(196)	(2,667)				(196)	(2,667)
Contributions from noncontrolling interests		$ 5	$ 189														$ 5	$ 189
Distributions to noncontrolling interests	(45)															(45)
Other comprehensive income (loss)	(566)					(566)									(566)	0
Ending balance at Dec. 31, 2015	21,354					20,527			7	7,064	(10,799)			25,188	(933)	827
Increase (Decrease) in Equity Roll Forward
Net income	2,417					2,289								2,289		128
Dividends on common stock	(1,111)					(1,111)								(1,111)
Stock-based compensation expense	68					68				68
Transactions in connection with stock-based compensation plans:
Stock issuances	6					6				(89)	95
Stock purchases				$ (61)	$ (1,262)		$ (61)	$ (1,262)				$ (61)	$ (1,262)
Distributions to noncontrolling interests	(65)															(65)
Other	(16)					45				45						(61)
Other comprehensive income (loss)	(476)					(477)									(477)	1
Ending balance at Dec. 31, 2016	$ 20,854					$ 20,024			$ 7	$ 7,088	$ (12,027)			$ 26,366	$ (1,410)	$ 830