Description of Business, Basis of Presentation, and Significant Accounting Policies (Details)	3 Months Ended
Mar. 31, 2017 refineries
Business and Basis of Presentation (Textual)
Limited partnership formation date	Jul. 24, 2013
Majority Shareholder [Member]
Business and Basis of Presentation (Textual)
Number of Valero owned refineries	10

Date the limited liability company (LLC) or limited partnership (LP) was formed, in CCYY-MM-DD format.

No definition available.

Name:	us-gaap_LimitedLiabilityCompanyOrLimitedPartnershipBusinessFormationDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration