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v2.4.1.9

Debt, Accounts Receivable Sales Facility and Capitalized Interest (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Capitalized Interest (Textual) |  |  |  |
Interest costs incurred, capitalized | $ 70,000,000 us-gaap_InterestCostsIncurredCapitalized | $ 118,000,000 us-gaap_InterestCostsIncurredCapitalized | $ 220,000,000 us-gaap_InterestCostsIncurredCapitalized |
A/R Sales Facility [Member] |  |  |  |
Accounts Receivable Sales Facility |  |  |  |
Balance as of beginning of year |  |  |  | 250,000,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember
Balance as of end of year | 100,000,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember | 100,000,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember | 100,000,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember | 250,000,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember
Credit Facilities [Member] | A/R Sales Facility [Member] |  |  |  |
Accounts Receivable Sales Facility |  |  |  |
Proceeds from the sale of receivables | 0 us-gaap_ProceedsFromOtherDebt / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember | 0 us-gaap_ProceedsFromOtherDebt / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember | 1,500,000,000 us-gaap_ProceedsFromOtherDebt / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember |
Repayments | 0 us-gaap_RepaymentsOfOtherDebt / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember | 0 us-gaap_RepaymentsOfOtherDebt / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember | (1,650,000,000)us-gaap_RepaymentsOfOtherDebt / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember |
Accounts Receivable Sales Facility (Textual) |  |  |  |
Line of credit facility, maximum borrowing capacity | 1,500,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember |  |  |
Extended term of accounts receivable sales facility | Jul. 31, 2015 |  |  |
Designated pool of accounts receivable | $ 1,700,000,000 vlo_DesignatedPoolOfAccountsReceivable / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember | $ 3,300,000,000 vlo_DesignatedPoolOfAccountsReceivable / us-gaap_CreditFacilityAxis = vlo_ARSalesFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_LineOfCreditMember |  |

X
- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition Amount of interest capitalized, including amount of allowance for funds used during construction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Allowance for Funds Used during Construction -URI http://asc.fasb.org/extlink&oid=6504829 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The cash outflow for the payment of other borrowing not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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