XML 52 R42.htm IDEA: XBRL DOCUMENT
v3.20.2

Leases, Significant Lease Commencement (Details) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 USD ($) renewal | Dec. 31, 2019 USD ($)
Significant Lease Commencement (Textual) |  |
Finance lease ROU asset | $ 2,225 | $ 790
Finance lease liability | $ 2,248 | $ 791
MVP Terminalling, LLC (MVP) [Member] |  |
Significant Lease Commencement (Textual) |  |
Initial term of terminal agreement | 12 years |
Number of available automatic renewals | renewal | 2 |
Automatic renewal term of terminalling agreement | 5 years |
MVP Terminal [Member] |  |
Significant Lease Commencement (Textual) |  |
Finance lease ROU asset | $ 1,400 |
Finance lease liability | $ 1,400 |
MVP Terminalling, LLC (MVP) [Member] |  |
Significant Lease Commencement (Textual) |  |
Membership percentage in VIE (percent) | 50.00% |

X
- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
Name: | us-gaap_FinanceLeaseLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
Name: | us-gaap_FinanceLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121559654&loc=SL6759159-111685 + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of the entity's agreement renewal option that may be requested. + References No definition available. + Details
Name: | vlo_DurationofRenewalOption
Namespace Prefix: | vlo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of times an entity may request to renew or extend the term of an agreement or contract. + References No definition available. + Details
Name: | vlo_NumberOfRenewalOptions
Namespace Prefix: | vlo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Terminalling Agreement, Initial Term + References No definition available. + Details
Name: | vlo_TerminallingAgreementInitialTerm
Namespace Prefix: | vlo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=vlo_MVPTerminallingLLCMVPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=vlo_MVPTerminalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=vlo_MVPTerminallingLLCMVPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |