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Condensed Consolidating Financial Statements (Details) - Senior Notes [Member]
Dec. 31, 2019
Dec. 31, 2018
VLP Senior Notes Due December 15, 2026 [Member]    
Debt Instrument [Line Items]    
Stated rate on debt instrument (percent) 4.375%  
VLP Senior Notes Due March 15, 2028 [Member]    
Debt Instrument [Line Items]    
Stated rate on debt instrument (percent) 4.50%  
Valero Energy Partners LP [Member] | VLP Senior Notes Due December 15, 2026 [Member]    
Debt Instrument [Line Items]    
Stated rate on debt instrument (percent) 4.375%  
Valero Energy Partners LP [Member] | VLP Senior Notes Due March 15, 2028 [Member]    
Debt Instrument [Line Items]    
Stated rate on debt instrument (percent) 4.50% 4.50%