XML 49 R39.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Debt and Capital Lease Obligations, Credit Facilities (Details) | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 31, 2018 | Jun. 30, 2018 CAD ($) | Jun. 30, 2018 USD ($)
Uncommitted Letter of Credit Facility [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Outstanding borrowings or letters of credit issued |  |  |  | $ 301,000,000
Credit Facilities [Member] | Valero Revolver [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  |  |  | 3,000,000,000
Maturity date |  |  | Nov. 30, 2020 |
Outstanding borrowings or letters of credit issued |  |  |  | 0
Availability |  |  |  | 2,881,000,000
Credit Facilities [Member] | Valero Revolver Letter of Credit [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Outstanding borrowings or letters of credit issued |  |  |  | 119,000,000
Credit Facilities [Member] | VLP Revolver [Member] | Valero Energy Partners LP [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  |  |  | 750,000,000
Maturity date |  |  | Nov. 30, 2020 |
Outstanding borrowings or letters of credit issued |  |  |  | 0
Availability |  |  |  | 750,000,000
Credit Facilities [Member] | VLP Revolver Letter of Credit [Member] | Valero Energy Partners LP [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Outstanding borrowings or letters of credit issued |  |  |  | 0
Credit Facilities [Member] | IEnova Revolver [Member] | Central Mexico Terminals [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  |  |  | 340,000,000
Maturity date |  |  | Feb. 28, 2028 |
Outstanding borrowings |  |  |  | 56,000,000
Availability |  |  |  | 284,000,000
Credit Facilities [Member] | Canadian Revolver [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  |  | $ 75,000,000 |
Maturity date |  |  | Nov. 30, 2018 |
Outstanding borrowings or letters of credit issued |  |  | $ 0 |
Availability |  |  | 69,000,000 |
Credit Facilities [Member] | Canadian Revolver Letter of Credit [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Outstanding borrowings or letters of credit issued |  |  | $ 6,000,000 |
Credit Facilities [Member] | A/R Sales Facility [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount | [1] |  |  | 1,300,000,000
Maturity date | [1] |  | Jul. 31, 2018 |
Outstanding borrowings or letters of credit issued | [1] |  |  | 100,000,000
Availability | [1] |  |  | 1,200,000,000
Credit Facilities [Member] | A/R Sales Facility [Member] | Subsequent Event [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Maturity date | [1] | Jul. 31, 2019 |  |
Credit Facilities [Member] | Committed Letter of Credit Facility Expires November 2018 [Member] |  |  |  |
Line of Credit Facility |  |  |  |
Facility amount |  |  |  | 100,000,000
Maturity date |  |  | Nov. 30, 2018 |
Outstanding borrowings or letters of credit issued |  |  |  | 0
Availability |  |  |  | $ 100,000,000
[1] | In July 2018, we amended this facility to extend the maturity date from July 2018 to July 2019.

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
Name: | us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LinesOfCreditCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_CreditFacilityAxis=vlo_OtherLetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=vlo_ValeroRevolverMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=vlo_ValeroRevolverLetterofCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=vlo_VLPRevolverMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=vlo_ValeroEnergyPartnersLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=vlo_VLPRevolverLetterofCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=vlo_IEnovaRevolverMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=vlo_CentralMexicoTerminalsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=vlo_CanadianRevolverMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=vlo_CanadianRevolverLetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=vlo_ARSalesFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=vlo_CommittedLetterofCreditFacilityExpiresNovemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |