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Variable Interest Entities (Details) (Narrative) | Jun. 30, 2024 plant subsidiary
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Diamond Green Diesel Holdings LLC (DGD) [Member] |
Variable Interest Entity (Textual) |
Number of renewable diesel plants owned by joint venture | plant | 2
Central Mexico Terminals [Member] |
Variable Interest Entity (Textual) |
Number of subsidiaries | subsidiary | 3

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- Definition Number Of Renewable Diesel Plants Owned By Joint Venture + References No definition available. + Details
Name: | vlo_NumberOfRenewableDieselPlantsOwnedByJointVenture
Namespace Prefix: | vlo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Number Of Subsidiaries + References No definition available. + Details
Name: | vlo_NumberOfSubsidiaries
Namespace Prefix: | vlo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Variable Interest Entity Textual + References No definition available. + Details
Name: | vlo_VariableInterestEntityTextualAbstract
Namespace Prefix: | vlo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_ConsolidatedEntitiesAxis=vlo_VariableInterestEntityPrimaryBeneficiaryDiamondGreenDieselHoldingsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ConsolidatedEntitiesAxis=vlo_VariableInterestEntityPrimaryBeneficiaryCentralMexicoTerminalsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |