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Stock-Based Compensation (Details) (USD $) In Millions, except Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Stock-based Compensation Arrangements Activity |  |  |
Stock-based compensation expense | $ 60 us-gaap_ShareBasedCompensation | $ 64 us-gaap_ShareBasedCompensation | $ 58 us-gaap_ShareBasedCompensation
Tax benefit recognized on stock-based compensation expense | 21 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense | 22 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense | 20 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Tax benefit realized for tax deductions resulting from exercises and vestings | 64 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions | 66 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions | 45 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions
Effect of tax deductions in excess of recognized stock-based compensation expense reported as a financing cash flow | 47 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 47 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 27 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding Rollforward |  |  |
Stock options outstanding as of beginning of year | 8,558,093 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber |  |
Number of stock options, granted | 126,095 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross |  |
Number of stock options, exercised | (2,564,125)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |  |
Number of stock options, expired | (1,449,986)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod |  |
Number of stock options, forfeited | (856)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod |  |
Stock options outstanding as of end of year | 4,669,221 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber | 8,558,093 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber |
Number of stock options, exercisable as of December 31, 2014 | 4,315,414 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber |  |
Weighted-average exercise price per share outstanding, beginning balance | $ 27.88 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice |  |
Weighted-average exercise price per share, granted | $ 48.57 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice |  |
Weighted-average exercise price per share, exercised | $ 18.64 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice |  |
Weighted-average exercise price per share, expired | $ 66.67 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice |  |
Weighted average exercise price per share, forfeited | $ 17.68 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice |  |
Weighted-average exercise price per share outstanding, ending balance | $ 21.48 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice | $ 27.88 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice |
Weighted-average exercise price per share, exercisable as of December 31, 2014 | $ 19.99 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice |  |
Weighted-average remaining contractual term, outstanding as of December 31, 2014 | 4 years 6 months |  |
Weighted-average remaining contractual term, exercisable as of December 31, 2014 | 4 years 2 months |  |
Aggregate intrinsic value, outstanding as of December 31, 2014 | 131 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue |  |
Aggregate intrinsic value, exercisable as of December 31, 2014 | 127 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 |  |
Nonvested Shares or Awards Other Than Options Rollforward |  |  |
Shares or awards, granted | 225,829 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod |  |
Employee Stock Option [Member] |  |  |
Summary of Weighted-Average Assumptions Used in Fair Value Measurements |  |  |
Expected life in years | 6 years | 6 years | 6 years
Expected volatility | 43.21%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 49.63%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 49.11%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
Expected dividend yield | 2.27%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 2.27%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 2.39%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
Risk-free interest rate | 1.74%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 1.77%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 0.85%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding Rollforward |  |  |
Weighted average grant date fair value of stock option | $ 17.31 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | $ 15.83 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | $ 10.98 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
Intrinsic value of stock options exercised | 85 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 101 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 78 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
Cash received from exercise of stock options | 47 us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 59 us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 59 us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
Stock Based Compensation (Textual) |  |  |
Vesting period of stock-based payment awards granted | 3 years |  |
Unrecognized share-based compensation cost related to outstanding unvested awards | 1 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  |
Weighted-average period of recognition for unrecognized compensation costs on nonvested awards | 2 years |  |
Employee Stock Option [Member] | Minimum [Member] |  |  |
Stock Based Compensation (Textual) |  |  |
Expiration period of stock-based compensation awards | 7 years |  |
Employee Stock Option [Member] | Maximum [Member] |  |  |
Stock Based Compensation (Textual) |  |  |
Expiration period of stock-based compensation awards | 10 years |  |
Restricted Stock Awards - Nonemployee [Member] |  |  |
Stock Based Compensation (Textual) |  |  |
Vesting period of stock-based payment awards granted | 3 years |  |
Restricted Stock [Member] |  |  |
Nonvested Shares or Awards Other Than Options Rollforward |  |  |
Nonvested shares or awards, beginning balance | 2,205,314 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Shares or awards, granted | 969,671 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Awards, vested | (1,402,753)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Shares or awards, forfeited | (14,082)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Nonvested shares or awards, ending balance | 1,758,150 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | 2,205,314 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
Nonvested Awards Other Than Options Weighted Average Grant Date Fair Value Rollforward |  |  |
Weighted average grant date fair value, beginning balance | $ 32.23 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Weighted average grant date fair value, granted | $ 49.40 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Weighted average grant date fair value, vested | $ 31.90 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Weighted average grant date fair value, forfeited | $ 32.56 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Weighted average grant date fair value, ending balance | $ 41.96 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | $ 32.23 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
Stock Based Compensation (Textual) |  |  |
Vesting period of stock-based payment awards granted | 3 years |  |
Unrecognized share-based compensation cost related to outstanding unvested awards | 45 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Weighted-average period of recognition for unrecognized compensation costs on nonvested awards | 2 years |  |
Total fair value of restricted stock vested | 60 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | 74 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | 47 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
Performance Awards [Member] |  |  |
Nonvested Shares or Awards Other Than Options Rollforward |  |  |
Nonvested shares or awards, beginning balance | 947,165 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Shares or awards, granted | 225,829 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Awards, vested | (534,028)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Shares or awards, forfeited | (24,576)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Nonvested shares or awards, ending balance | 614,390 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember | 947,165 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |
Vested Awards Other Than Options Rollforward |  |  |
Vested awards, beginning balance | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Awards, vested | 534,028 vlo_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedinPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Awards, converted | (534,028)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Awards, forfeited | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Vested awards, ending balance | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |
Performance Awards Converted [Abstract] |  |  |
Vested awards converted | 534,028 vlo_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsConverted / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Converted shares issued | 866,634 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Stock Based Compensation (Textual) |  |  |
Vesting period of stock-based payment awards granted | 1 year |  |
Unrecognized share-based compensation cost related to outstanding unvested awards | 11 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Total fair value of restricted stock vested | $ 15 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember | $ 12 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember | $ 3 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember
Performance award vesting rights | 33.33%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Number of vesting tranches under performance awards granted | 3 vlo_NumberOfVestingTranchesUnderPerformanceAwardsGranted / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Performance Awards [Member] | Award Year 2010 [Member] |  |  |
Performance Awards Converted [Abstract] |  |  |
Vested awards converted | 201,422 vlo_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsConverted / us-gaap_AwardDateAxis = vlo_PYMinus3AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Actual conversion rate of common shares | 100.00%vlo_ActualConversionRateOfCommonShares / us-gaap_AwardDateAxis = vlo_PYMinus3AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Converted shares issued | 201,422 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_AwardDateAxis = vlo_PYMinus3AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Performance Awards [Member] | Award Year 2011 [Member] |  |  |
Performance Awards Converted [Abstract] |  |  |
Vested awards converted | 227,571 vlo_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsConverted / us-gaap_AwardDateAxis = vlo_PYMinus2AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Actual conversion rate of common shares | 200.00%vlo_ActualConversionRateOfCommonShares / us-gaap_AwardDateAxis = vlo_PYMinus2AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Converted shares issued | 455,142 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_AwardDateAxis = vlo_PYMinus2AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Performance Awards [Member] | Award Year 2012 [Member] |  |  |
Performance Awards Converted [Abstract] |  |  |
Vested awards converted | 102,855 vlo_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsConverted / us-gaap_AwardDateAxis = vlo_PYMinus1AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Actual conversion rate of common shares | 200.00%vlo_ActualConversionRateOfCommonShares / us-gaap_AwardDateAxis = vlo_PYMinus1AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Converted shares issued | 205,710 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_AwardDateAxis = vlo_PYMinus1AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Performance Awards [Member] | Award Year 2012 [Member] | Share-based Compensation Award, Tranche Three [Member] |  |  |
Nonvested Shares or Awards Other Than Options Rollforward |  |  |
Shares or awards, granted | 99,023 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardDateAxis = vlo_PYMinus1AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheThreeMember |  |
Nonvested Awards Other Than Options Weighted Average Grant Date Fair Value Rollforward |  |  |
Weighted average grant date fair value, granted | $ 47.47 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardDateAxis = vlo_PYMinus1AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheThreeMember |  |
Expected conversion rate of common stock shares | 1.00 vlo_ExpectedConversionRateOfCommonStockShares / us-gaap_AwardDateAxis = vlo_PYMinus1AwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheThreeMember |  |
Performance Awards [Member] | Award Year 2013 [Member] |  |  |
Performance Awards Converted [Abstract] |  |  |
Vested awards converted | 2,180 vlo_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsConverted / us-gaap_AwardDateAxis = vlo_PYAwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Actual conversion rate of common shares | 200.00%vlo_ActualConversionRateOfCommonShares / us-gaap_AwardDateAxis = vlo_PYAwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Converted shares issued | 4,360 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_AwardDateAxis = vlo_PYAwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |
Performance Awards [Member] | Award Year 2013 [Member] | Share-based Compensation Award, Tranche Two [Member] |  |  |
Nonvested Shares or Awards Other Than Options Rollforward |  |  |
Shares or awards, granted | 76,232 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardDateAxis = vlo_PYAwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheTwoMember |  |
Nonvested Awards Other Than Options Weighted Average Grant Date Fair Value Rollforward |  |  |
Weighted average grant date fair value, granted | $ 47.47 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardDateAxis = vlo_PYAwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheTwoMember |  |
Expected conversion rate of common stock shares | 1.00 vlo_ExpectedConversionRateOfCommonStockShares / us-gaap_AwardDateAxis = vlo_PYAwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheTwoMember |  |
Performance Awards [Member] | Award Year 2014 [Member] | Share-based Compensation Award, Tranche One [Member] |  |  |
Nonvested Shares or Awards Other Than Options Rollforward |  |  |
Shares or awards, granted | 50,574 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardDateAxis = vlo_CYAwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheOneMember |  |
Nonvested Awards Other Than Options Weighted Average Grant Date Fair Value Rollforward |  |  |
Weighted average grant date fair value, granted | $ 48.57 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardDateAxis = vlo_CYAwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheOneMember |  |
Expected conversion rate of common stock shares | 1.00 vlo_ExpectedConversionRateOfCommonStockShares / us-gaap_AwardDateAxis = vlo_CYAwardYearMember / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheOneMember |  |
Performance Awards [Member] | Minimum [Member] |  |  |
Stock Based Compensation (Textual) |  |  |
Performance awards range of conversion rates | 0.00%vlo_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAwardConversionRates / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Performance Awards [Member] | Maximum [Member] |  |  |
Stock Based Compensation (Textual) |  |  |
Performance awards range of conversion rates | 200.00%vlo_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAwardConversionRates / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Omnibus Stock Incentive Plan [Member] | Stock Compensation Plan [Member] |  |  |
Stock Based Compensation (Textual) |  |  |
Number of shares of common stock available to be awarded under stock-based compensation plans | 13,536,081 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = us-gaap_StockCompensationPlanMember / us-gaap_PlanNameAxis = vlo_OmnibusStockIncentivePlanMember |  |
Formerly Maintained Plans [Member] | Stock Compensation Plan [Member] |  |  |
Stock Based Compensation (Textual) |  |  |
Number of shares of common stock available to be awarded under stock-based compensation plans | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = us-gaap_StockCompensationPlanMember / us-gaap_PlanNameAxis = vlo_FormerlyMaintainedPlansMember |  |

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- Definition Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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Period Type: | duration

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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11374-113907 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Percentage of vesting of share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.D.2) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section D -Subsection 2 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of non-option equity instruments exercised by participants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References No definition available. + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. + References No definition available. + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
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- Definition Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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- Definition The number of shares under a share-based award plan other than a stock option plan that were settled during the reporting period due to the satisfaction of vesting conditions under the plan. + References No definition available. + Details
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- Definition Conversion rate provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements. + References No definition available. + Details
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