XML 80 R64.htm IDEA: XBRL DOCUMENT
v3.19.3

Price Risk Management Activities (Details) bu in Thousands, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) MBbls bu | Sep. 30, 2018 USD ($)
Price Risk Management Activities (Textual) |  |  |  |
Compliance program costs | $ | $ 24,335 | $ 27,701 | $ 72,396 | $ 79,317
Environmental Compliance Program Price Risk [Member] |  |  |  |
Price Risk Management Activities (Textual) |  |  |  |
Compliance program costs | $ | 69 | $ 94 | $ 227 | $ 431
Derivatives Designated as Hedges [Member] | Cash Flow Hedges [Member] | Future, 2019 Maturity [Member] | Long (Purchases) [Member] | Renewable Diesel (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 906 |
Derivatives Designated as Hedges [Member] | Cash Flow Hedges [Member] | Future, 2019 Maturity [Member] | Short (Sales) [Member] | Renewable Diesel (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 2,571 |
Derivatives Designated as Hedges [Member] | Cash Flow Hedges [Member] | Future, 2020 Maturity [Member] | Long (Purchases) [Member] | Renewable Diesel (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 73 |
Derivatives Designated as Hedges [Member] | Cash Flow Hedges [Member] | Future, 2020 Maturity [Member] | Short (Sales) [Member] | Renewable Diesel (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 242 |
Derivatives Designated as Economic Hedges [Member] | Future, 2019 Maturity [Member] | Long (Purchases) [Member] | Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 136,760 |
Derivatives Designated as Economic Hedges [Member] | Future, 2019 Maturity [Member] | Long (Purchases) [Member] | Corn (in thousands of bushels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  |  | 71,555 |
Derivatives Designated as Economic Hedges [Member] | Future, 2019 Maturity [Member] | Short (Sales) [Member] | Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 134,196 |
Derivatives Designated as Economic Hedges [Member] | Future, 2019 Maturity [Member] | Short (Sales) [Member] | Corn (in thousands of bushels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  |  | 88,825 |
Derivatives Designated as Economic Hedges [Member] | Future, 2020 Maturity [Member] | Long (Purchases) [Member] | Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 2,849 |
Derivatives Designated as Economic Hedges [Member] | Future, 2020 Maturity [Member] | Long (Purchases) [Member] | Corn (in thousands of bushels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  |  | 1,540 |
Derivatives Designated as Economic Hedges [Member] | Future, 2020 Maturity [Member] | Short (Sales) [Member] | Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 3,063 |
Derivatives Designated as Economic Hedges [Member] | Future, 2020 Maturity [Member] | Short (Sales) [Member] | Corn (in thousands of bushels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  |  | 10,345 |
Derivatives Designated as Economic Hedges [Member] | Options, 2019 Maturity [Member] | Long (Purchases) [Member] | Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 16,634 |
Derivatives Designated as Economic Hedges [Member] | Options, 2019 Maturity [Member] | Short (Sales) [Member] | Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 15,987 |
Derivatives Designated as Economic Hedges [Member] | Options, 2020 Maturity [Member] | Long (Purchases) [Member] | Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 0 |
Derivatives Designated as Economic Hedges [Member] | Options, 2020 Maturity [Member] | Short (Sales) [Member] | Crude Oil and Refined Petroleum Products (in thousands of barrels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  |  | 0 |
Derivatives Designated as Economic Hedges [Member] | Physical Contracts, 2019 Maturity [Member] | Long (Purchases) [Member] | Corn (in thousands of bushels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  |  | 20,368 |
Derivatives Designated as Economic Hedges [Member] | Physical Contracts, 2020 Maturity [Member] | Long (Purchases) [Member] | Corn (in thousands of bushels) [Member] |  |  |  |
Volume of Outstanding Contracts |  |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  |  | 8,831 |
Derivatives Designated as Economic Hedges [Member] | Foreign Exchange Contract, US Dollars [Member] |  |  |  |
Price Risk Management Activities (Textual) |  |  |  |
Monetary notional amount of derivative liabilities | $ | 436 |  | $ 436 |
Derivatives Designated as Economic Hedges [Member] | Foreign Exchange Contract, US Dollar Equivalent Canadian Dollars [Member] |  |  |  |
Price Risk Management Activities (Textual) |  |  |  |
Monetary notional amount of derivative liabilities | $ | 1,800 |  | 1,800 |
Derivatives Designated as Economic Hedges [Member] | Foreign Exchange Contract, US Dollar Equivalent Pounds Sterling [Member] |  |  |  |
Price Risk Management Activities (Textual) |  |  |  |
Monetary notional amount of derivative liabilities | $ | $ 150 |  | $ 150 |

X
- Definition Cost of material used for good produced and service rendered. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(2)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_CostDirectMaterial
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payments on the derivative liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeLiabilityNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Nominal volume used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Price Risk Management Activities, Textual [Abstract] + References No definition available. + Details
Name: | vlo_PriceRiskManagementActivitiesTextualAbstract
Namespace Prefix: | vlo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Volume of Outstanding Contracts [Abstract] + References No definition available. + Details
Name: | vlo_VolumeofOutstandingContractsAbstract
Namespace Prefix: | vlo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_OilAndGasRefiningAndMarketingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=vlo_FutureMaturityCurrentYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_LongMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_EnergyAxis=vlo_RenewableDieselMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_ShortMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=vlo_FutureMaturityYearTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_EnergyAxis=srt_CrudeOilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_EnergyAxis=vlo_GrainInBushelsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=vlo_OptionsHeldMaturityCurrentYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=vlo_OptionsHeldMaturityYearTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=vlo_ForwardContractsMaturityCurrentYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=vlo_ForwardContractsMaturityYearTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=vlo_ForeignExchangeContractUSDollarsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=vlo_ForeignExchangeContractUSDollarEquivalentCanadianDollarsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=vlo_ForeignExchangeContractUSDollarEquivalentPoundsSterlingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |