$VLO
VALERO ENERGY CORP/TX Stock $vlo

$vlo Overview Financials Valuation SEC Filings Company Website

2009 Q4 Form 10-K Financial Statement

#000103500211000013 Filed on February 25, 2011

Income Statement

Concept	2009 Q4	2009 Q3	2009 Q2
Revenue	$17.88B	$16.01B	$17.38B
YoY Change	0.29%	-47.88%	-52.58%
Cost Of Revenue	$16.91B	$13.58B	$17.16B
YoY Change	4.23%	-52.66%	-51.23%
Gross Profit	$973.0M	$2.430B	$220.0M
YoY Change	-39.45%	19.7%	-84.98%
Gross Profit Margin	5.44%	15.18%	1.27%
Selling, General & Admin	$138.0M	$167.0M	$122.0M
YoY Change	0.0%	-1.18%	4.27%
% of Gross Profit	14.18%	6.87%	55.45%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$371.0M	$389.0M	$389.0M
YoY Change	0.27%	5.14%	5.42%
% of Gross Profit	38.13%	16.01%	176.82%
Operating Expenses	$1.076B	$2.564B	$293.0M
YoY Change	229.05%	2274.07%	-4.56%
Operating Profit	-$103.0M	-$134.0M	-$73.00M
YoY Change	-108.05%	-106.97%	-106.3%
Interest Expense	-$115.0M	-$137.0M	-$84.00M
YoY Change	40.24%	61.18%	1.2%
% of Operating Profit
Other Income/Expense, Net	$33.00M	$8.000M	-$23.00M
YoY Change	-21.43%	-77.78%	-253.33%
Pretax Income	-$217.0M	-$312.0M	-$299.0M
YoY Change	-92.33%	-116.66%	-127.43%
Income Tax	-$86.00M	$3.000M	-$108.0M
% Of Pretax Income
Net Earnings	-$1.408B	-$629.0M	-$254.0M
YoY Change	-57.05%	-154.6%	-134.6%
Net Earnings / Revenue	-7.87%	-3.93%	-1.46%
Basic Earnings Per Share
Diluted Earnings Per Share	-$2.51	-$1.12	-$0.48
COMMON SHARES
Basic Shares Outstanding
Diluted Shares Outstanding

Balance Sheet

Concept	2009 Q4	2009 Q3	2009 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$825.0M	$1.605B	$1.623B
YoY Change	-12.23%	-41.99%	-1.28%
Cash & Equivalents	$825.0M	$1.605B	$1.623B
Short-Term Investments
Other Short-Term Assets	$853.0M	$680.0M	$745.0M
YoY Change	6.89%	9.85%	-24.21%
Inventory	$4.578B	$4.576B	$4.561B
Prepaid Expenses
Receivables	$3.779B	$3.923B	$4.217B
Other Receivables	$887.0M	$81.00M	$27.00M
Total Short-Term Assets	$10.92B	$10.87B	$11.17B
YoY Change	15.58%	-26.72%	-26.74%
LONG-TERM ASSETS
Property, Plant & Equipment	$21.62B	$24.23B	$24.28B
YoY Change	0.91%	6.54%	9.02%
Goodwill
YoY Change
Intangibles	$227.0M
YoY Change
Long-Term Investments	$1.461B
YoY Change
Other Assets	$1.347B	$1.480B	$1.543B
YoY Change	-59.45%	-23.28%	-15.31%
Total Long-Term Assets	$24.65B	$25.94B	$26.05B
YoY Change	-1.27%	-10.49%	-8.29%
TOTAL ASSETS
Total Short-Term Assets	$10.92B	$10.87B	$11.17B
Total Long-Term Assets	$24.65B	$25.94B	$26.05B
Total Assets	$35.57B	$36.81B	$37.22B
YoY Change	3.36%	-15.98%	-14.74%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$5.825B	$5.756B	$5.840B
YoY Change	34.74%	-41.98%	-46.73%
Accrued Expenses	$641.0M	$1.300B	$907.0M
YoY Change	-33.37%	25.73%	-10.46%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$237.0M	$213.0M	$137.0M
YoY Change	-24.04%	0.95%	-35.38%
Total Short-Term Liabilities	$7.809B	$7.757B	$7.324B
YoY Change	25.77%	-34.1%	-43.0%
LONG-TERM LIABILITIES
Long-Term Debt	$7.163B	$7.162B	$7.231B
YoY Change	14.35%	14.34%	15.46%
Other Long-Term Liabilities	$1.869B	$2.124B	$2.154B
YoY Change	-25.09%	18.79%	21.01%
Total Long-Term Liabilities	$1.869B	$9.286B	$9.385B
YoY Change	-78.66%	15.33%	16.69%
TOTAL LIABILITIES
Total Short-Term Liabilities	$7.809B	$7.757B	$7.324B
Total Long-Term Liabilities	$1.869B	$9.286B	$9.385B
Total Liabilities	$9.678B	$20.92B	$20.81B
YoY Change	-48.51%	-13.19%	-16.66%
SHAREHOLDERS EQUITY
Retained Earnings	$13.18B
YoY Change
Common Stock	$7.903B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$6.721B
YoY Change
Treasury Stock Shares	108.8M shares
Shareholders Equity	$14.73B	$15.89B	$16.41B
YoY Change
Total Liabilities & Shareholders Equity	$35.57B	$36.81B	$37.22B
YoY Change	3.36%	-15.98%	-14.74%

Cashflow Statement

Concept	2009 Q4	2009 Q3	2009 Q2
OPERATING ACTIVITIES
Net Income	-$1.408B	-$629.0M	-$254.0M
YoY Change	-57.05%	-154.6%	-134.6%
Depreciation, Depletion And Amortization	$371.0M	$389.0M	$389.0M
YoY Change	0.27%	5.14%	5.42%
Cash From Operating Activities	-$117.0M	$533.0M	$626.0M
YoY Change	-72.47%	-68.98%	-46.68%
INVESTING ACTIVITIES
Capital Expenditures	-$486.0M	-$469.0M	-$616.0M
YoY Change	-51.35%	-34.5%	-3.9%
Acquisitions
YoY Change
Other Investing Activities	-$123.0M	-$40.00M	-$649.0M
YoY Change	7.89%	-114.08%	930.16%
Cash From Investing Activities	-$609.0M	-$509.0M	-$1.265B
YoY Change	-45.28%	17.82%	79.69%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-54.00M	-85.00M	514.0M
YoY Change	-79.62%	-42.18%	-302.36%
NET CHANGE
Cash From Operating Activities	-117.0M	533.0M	626.0M
Cash From Investing Activities	-609.0M	-509.0M	-1.265B
Cash From Financing Activities	-54.00M	-85.00M	514.0M
Net Change In Cash	-780.0M	-61.00M	-125.0M
YoY Change	-56.74%	-105.36%	-157.87%
FREE CASH FLOW
Cash From Operating Activities	-$117.0M	$533.0M	$626.0M
Capital Expenditures	-$486.0M	-$469.0M	-$616.0M
Free Cash Flow	$369.0M	$1.002B	$1.242B
YoY Change	-35.71%	-58.83%	-31.57%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2009Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	3616000000	USD
CY2010Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	4299000000	USD
CY2010	us-gaap	Defined Benefit Plan Target Allocation Percentage Of Assets Debt Securities DefinedBenefitPlanTargetAllocationPercentageOfAssetsDebtSecurities	0.3
CY2009	vlo	Common Stock Sold Over Allotment Option Exercised By Underwriters CommonStockSoldOverAllotmentOptionExercisedByUnderwriters	6000000	shares
CY2009Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	4500000000	USD
CY2010Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	6100000000	USD
CY2009Q4	us-gaap	Debt Current DebtCurrent	237000000	USD
CY2010Q4	us-gaap	Debt Current DebtCurrent	822000000	USD
CY2009	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax	0	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax	0	USD
CY2008	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax	0	USD
CY2010Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	224000000	USD
CY2009Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	227000000	USD
CY2008	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	299000000	USD
CY2009	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	324000000	USD
CY2010	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	114000000	USD
CY2010Q4	us-gaap	Assets Held For Sale Current AssetsHeldForSaleCurrent	0	USD
CY2010Q4	us-gaap	Assets Current AssetsCurrent	13518000000	USD
CY2009Q4	us-gaap	Assets Current AssetsCurrent	10922000000	USD
CY2010	us-gaap	Gain Loss From Components Excluded From Assessment Of Cash Flow Hedge Effectiveness Net GainLossFromComponentsExcludedFromAssessmentOfCashFlowHedgeEffectivenessNet	0	USD
CY2008	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-446000000	USD
CY2010	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-3000000	USD
CY2009	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	95000000	USD
CY2009Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2010Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
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CY2010	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-68000000	USD
CY2008	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	1630000000	USD
CY2010Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	28921000000	USD
CY2009Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	26885000000	USD
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CY2008	us-gaap	Noncash Investing And Financing Activities Related Text NoncashInvestingAndFinancingActivitiesRelatedText	0
CY2010	us-gaap	Noncash Investing And Financing Activities Related Text NoncashInvestingAndFinancingActivitiesRelatedText	0
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CY2010Q4	vlo	Prepaid Expense And Other Current PrepaidExpenseAndOtherCurrent	121000000	USD
CY2009Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	1251000000	USD
CY2010Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	1362000000	USD
CY2009Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1869000000	USD
CY2010Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1767000000	USD
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CY2009	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	106000000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	49000000	USD
CY2008	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1880000000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	347000000	USD
CY2010Q4	vlo	Ethanol Feedstocks And Products EthanolFeedstocksAndProducts	201000000	USD
CY2009Q4	vlo	Ethanol Feedstocks And Products EthanolFeedstocksAndProducts	141000000	USD
CY2009Q3	vlo	Initial Cash Received From Earn Out Settlement InitialCashReceivedFromEarnOutSettlement	18000000	USD
CY2010Q4	us-gaap	Inventory Net InventoryNet	4947000000	USD
CY2009Q4	us-gaap	Inventory Net InventoryNet	4578000000	USD
CY2008	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	23000000	shares
CY2009	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	200000	shares
CY2010	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	700000	shares
CY2009	us-gaap	Share Based Compensation ShareBasedCompensation	66000000	USD
CY2010	us-gaap	Share Based Compensation ShareBasedCompensation	54000000	USD
CY2008	us-gaap	Share Based Compensation ShareBasedCompensation	59000000	USD
CY2009Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	0	USD
CY2010Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	0	USD
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CY2009Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	88000000	USD
CY2010Q4	us-gaap	Fair Value Assets Measured On Recurring Basis Derivative Financial Instruments Assets FairValueAssetsMeasuredOnRecurringBasisDerivativeFinancialInstrumentsAssets	169000000	USD
CY2009Q4	us-gaap	Fair Value Assets Measured On Recurring Basis Derivative Financial Instruments Assets FairValueAssetsMeasuredOnRecurringBasisDerivativeFinancialInstrumentsAssets	359000000	USD
CY2009	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1289000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	816000000	USD
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CY2010Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	4530000000	USD
CY2009Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	4006000000	USD
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CY2010Q4	us-gaap	Other Borrowings OtherBorrowings	100000000	USD
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CY2010Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1210000000	USD
CY2008	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	67000000	USD
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CY2008Q1	vlo	Additional Common Stock Purchase Program AdditionalCommonStockPurchaseProgram	3000000000	USD
CY2010Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	10000000	USD
CY2008	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
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CY2008	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	59000000	USD
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CY2010	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	54000000	USD
CY2010Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	6000000	USD
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CY2010	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	1225000000	USD
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CY2009Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	45000000	USD
CY2008Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	58000000	USD
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CY2010Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	42000000	USD
CY2010	us-gaap	Future Amortization Expense Year One FutureAmortizationExpenseYearOne	17000000	USD
CY2009	vlo	Loss On Shutdown Of Refinery LossOnShutdownOfRefinery	1868000000	USD
CY2010	vlo	Loss On Shutdown Of Refinery LossOnShutdownOfRefinery	0	USD
CY2008	vlo	Loss On Shutdown Of Refinery LossOnShutdownOfRefinery	0	USD
CY2010Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2009Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	78000000	USD
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CY2009	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.60
CY2008	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.57
CY2010	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.2
CY2008	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	22000000	USD
CY2009	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	9000000	USD
CY2010	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	23000000	USD
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CY2010Q4	us-gaap	Inventory Crude Oil Products And Merchandise InventoryCrudeOilProductsAndMerchandise	2233000000	USD
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CY2010Q4	vlo	Total Debt TotalDebt	8300000000	USD
CY2010Q4	us-gaap	Defined Benefit Plan Year That Rate Reaches Ultimate Trend Rate DefinedBenefitPlanYearThatRateReachesUltimateTrendRate	2018
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CY2009	us-gaap	Depreciation Depreciation	919000000	USD
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CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	15000000	USD
CY2010	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2009	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	4000000	USD
CY2010	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	3000000	USD
CY2008	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	4000000	USD
CY2008	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	-67000000	USD
CY2009	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	133000000	USD
CY2010	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	116000000	USD
CY2008	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	4000000	USD
CY2010	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	54000000	USD
CY2009	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	5000000	USD
CY2009Q4	us-gaap	Retail Related Inventory Merchandise RetailRelatedInventoryMerchandise	96000000	USD
CY2010Q4	us-gaap	Retail Related Inventory Merchandise RetailRelatedInventoryMerchandise	101000000	USD
CY2009Q4	us-gaap	Common Stock Value CommonStockValue	7000000	USD
CY2010Q4	us-gaap	Common Stock Value CommonStockValue	7000000	USD
CY2010	dei	Entity Registrant Name EntityRegistrantName	VALERO ENERGY CORP/TX
CY2010Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	190000000	USD
CY2009Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	180000000	USD
CY2010	us-gaap	Proceeds From Repayments Of Related Party Debt ProceedsFromRepaymentsOfRelatedPartyDebt	0	USD
CY2009	us-gaap	Proceeds From Repayments Of Related Party Debt ProceedsFromRepaymentsOfRelatedPartyDebt	0	USD
CY2008	us-gaap	Proceeds From Repayments Of Related Party Debt ProceedsFromRepaymentsOfRelatedPartyDebt	0	USD
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CY2010Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	0	USD
CY2009Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	0	USD
CY2010Q4	vlo	Operating Leases Future Minimum Payments Due Net OperatingLeasesFutureMinimumPaymentsDueNet	1248000000	USD
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CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	203000000	USD
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CY2009Q4	vlo	Designated Pool Of Accounts Receivable DesignatedPoolOfAccountsReceivable	1800000000	USD
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CY2009	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	77000000	USD
CY2010	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	13000000	USD
CY2008	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	955000000	USD
CY2009	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4000000	USD
CY2010Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	3599000000	USD
CY2009Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	4344000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	0	USD
CY2009Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	0	USD
CY2010	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	517000000	USD
CY2009	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	285000000	USD
CY2008	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	374000000	USD
CY2009Q4	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	76000000	USD
CY2010Q2	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	8000000	USD
CY2010Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	149000000	USD
CY2009Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	139000000	USD
CY2008	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	4069000000	USD
CY2009	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2010	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2009	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	73000000	USD
CY2010	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-99000000	USD
CY2008	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-51000000	USD
CY2008	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3095000000	USD
CY2009	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1823000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3045000000	USD
CY2010Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	5000000	USD
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CY2008	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-46000000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	1000000	USD
CY2010Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	6441000000	USD
CY2009Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	5825000000	USD
CY2008	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-4985000000	USD
CY2010	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	670000000	USD
CY2009	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1475000000	USD
CY2010Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	6000000	USD
CY2010Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	350000000	USD
CY2010	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	15025000000	USD
CY2010	us-gaap	Gain Loss From Components Excluded From Assessment Of Fair Value Hedge Effectiveness Net GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet	0	USD
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CY2008	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	17000000	USD
CY2009	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	158000000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	4000000	USD
CY2010	us-gaap	Future Amortization Expense Year Two FutureAmortizationExpenseYearTwo	17000000	USD
CY2010	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	2000000	USD
CY2009	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	607000000	USD
CY2008	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	103000000	USD
CY2009	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	22000000	USD
CY2008	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	22000000	USD
CY2010	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	19000000	USD
CY2008	vlo	Foreign Currency Translation ForeignCurrencyTranslation	-1000000	USD
CY2010	vlo	Foreign Currency Translation ForeignCurrencyTranslation	0	USD
CY2009	vlo	Foreign Currency Translation ForeignCurrencyTranslation	1000000	USD
CY2010	dei	Amendment Flag AmendmentFlag	false
CY2007Q4	us-gaap	Goodwill Goodwill	4019000000	USD
CY2009Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	200000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	270000000	USD
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CY2010	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	55000000	USD
CY2009	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	USD
CY2010Q4	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	55000000	USD
CY2010Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	9492000000	USD
CY2009Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	8228000000	USD
CY2010Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	343000000	USD
CY2009Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	887000000	USD
CY2010Q4	vlo	Entity Wide Disclosure On Geographic Areas Long Lived Assets In Entity EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntity	23777000000	USD
CY2010Q4	vlo	Debt Maturities Repayments Of Principal In Year Four DebtMaturitiesRepaymentsOfPrincipalInYearFour	209000000	USD
CY2010Q4	us-gaap	Derivative Asset Not Designated As Hedging Instrument Fair Value DerivativeAssetNotDesignatedAsHedgingInstrumentFairValue	3120000000	USD
CY2009Q4	us-gaap	Derivative Asset Not Designated As Hedging Instrument Fair Value DerivativeAssetNotDesignatedAsHedgingInstrumentFairValue	3729000000	USD
CY2010	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	3000000	USD
CY2009	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	98000000	USD
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CY2010	us-gaap	Finite Lived Intangible Assets Useful Life Maximum FiniteLivedIntangibleAssetsUsefulLifeMaximum	40
CY2008	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1476000000	USD
CY2009	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1527000000	USD
CY2010	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1473000000	USD
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CY2010Q4	us-gaap	Derivative Liability Not Designated As Hedging Instrument Fair Value DerivativeLiabilityNotDesignatedAsHedgingInstrumentFairValue	3345000000	USD
CY2009Q4	us-gaap	Derivative Liability Not Designated As Hedging Instrument Fair Value DerivativeLiabilityNotDesignatedAsHedgingInstrumentFairValue	3600000000	USD
CY2009Q4	vlo	Entity Wide Disclosure On Geographic Areas Long Lived Assets In Entity EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntity	24051000000	USD
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CY2009	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-115000000	USD
CY2008	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-1524000000	USD
CY2010	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2010	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2009	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	375000000	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	158000000	USD
CY2008	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	-490000000	USD
CY2010	us-gaap	Future Amortization Expense Year Three FutureAmortizationExpenseYearThree	17000000	USD
CY2010	vlo	Accounts Charged Against Allowance Net Of Recoveries AccountsChargedAgainstAllowanceNetOfRecoveries	17000000	USD
CY2009	vlo	Accounts Charged Against Allowance Net Of Recoveries AccountsChargedAgainstAllowanceNetOfRecoveries	42000000	USD
CY2008	vlo	Accounts Charged Against Allowance Net Of Recoveries AccountsChargedAgainstAllowanceNetOfRecoveries	27000000	USD
CY2010Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	636000000	USD
CY2009Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	625000000	USD
CY2010Q4	vlo	Loss Contingency Pending Claims Number Involving Parent LossContingencyPendingClaimsNumberInvolvingParent	21
CY2010Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-4597000000	USD
CY2009Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-4079000000	USD
CY2010	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation	-16000000	USD
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CY2008	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	-749000000	USD
CY2010	vlo	Exchange Rate Of Aruban Florin To One Us Dollar ExchangeRateOfArubanFlorinToOneUsDollar	1.79	AWG
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	23000000	USD
CY2010Q2	dei	Entity Public Float EntityPublicFloat	10200000000	USD
CY2009Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	21615000000	USD
CY2010Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	22669000000	USD
CY2010	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2009Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	253000000	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	257000000	USD
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CY2010Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4835000000	USD
CY2009Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4280000000	USD
CY2010Q4	vlo	Debt Maturities Repayments Of Principal In Year Three DebtMaturitiesRepaymentsOfPrincipalInYearThree	489000000	USD
CY2009Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	673501593	shares
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CY2010Q4	vlo	Number Of Refineries Owned By Company NumberOfRefineriesOwnedByCompany	14
CY2010	dei	Entity Central Index Key EntityCentralIndexKey	0001035002
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CY2010	us-gaap	Future Amortization Expense Year Four FutureAmortizationExpenseYearFour	17000000	USD
CY2010Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	109000000	USD
CY2009Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	90000000	USD
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CY2010	us-gaap	Cash Flows Between Securitization Special Purpose Entity Spe And Transferor Proceeds From Collections Reinvested In Revolving Period Securitizations CashFlowsBetweenSecuritizationSpecialPurposeEntitySPEAndTransferorProceedsFromCollectionsReinvestedInRevolvingPeriodSecuritizations	4300000000	USD
CY2010Q4	us-gaap	Crude Oil And Natural Gas Liquids CrudeOilAndNaturalGasLiquids	2225000000	USD
CY2009Q4	us-gaap	Crude Oil And Natural Gas Liquids CrudeOilAndNaturalGasLiquids	2004000000	USD
CY2008	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Revision In Estimates AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates	3000000	USD
CY2010	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Revision In Estimates AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates	21000000	USD
CY2009	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Revision In Estimates AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates	5000000	USD
CY2010Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	210000000	USD
CY2009Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	199000000	USD
CY2008	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1455000000	USD
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CY2009Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	35572000000	USD
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CY2007Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	164000000	USD
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CY2010	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
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CY2009Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	92000000	USD
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CY2010	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Currency Translation AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForCurrencyTranslation	2000000	USD
CY2009	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Currency Translation AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForCurrencyTranslation	6000000	USD
CY2008	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Currency Translation AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForCurrencyTranslation	-9000000	USD
CY2009Q4	vlo	Assets Held For Sale And Assets Of Discontinued Operation Current AssetsHeldForSaleAndAssetsOfDiscontinuedOperationCurrent	289000000	USD
CY2010	vlo	Extended Term Of Trade Receivables ExtendedTermOfTradeReceivables	June 2011
CY2010	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2010
CY2010Q4	us-gaap	Loss Contingency Pending Claims Number LossContingencyPendingClaimsNumber	46
CY2009	us-gaap	Other Deferred Cost Amortization Expense OtherDeferredCostAmortizationExpense	404000000	USD
CY2009	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	519000000	USD
CY2010	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	485000000	USD
CY2008	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	500000000	USD
CY2010	us-gaap	Defined Benefit Plan Target Allocation Percentage Of Assets Equity Securities DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquitySecurities	0.7
CY2009	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed For Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear	0.0750
CY2010	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed For Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear	0.0746
CY2010Q4	vlo	Debt Maturities Repayments Of Principal After Year Five DebtMaturitiesRepaymentsOfPrincipalAfterYearFive	5605000000	USD
CY2010Q4	vlo	Gain Loss On Sale Of Investments Net Of Tax GainLossOnSaleOfInvestmentsNetOfTax	36000000	USD
CY2009	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	668000000	USD
CY2010	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-545000000	USD
CY2008	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	197000000	USD
CY2009Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	152000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	170000000	USD
CY2008	us-gaap	Other Deferred Cost Amortization Expense OtherDeferredCostAmortizationExpense	384000000	USD
CY2010	us-gaap	Other Deferred Cost Amortization Expense OtherDeferredCostAmortizationExpense	383000000	USD
CY2009	us-gaap	Cash Dividends Paid To Parent Company By Consolidated Subsidiaries CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries	0	USD
CY2008	us-gaap	Cash Dividends Paid To Parent Company By Consolidated Subsidiaries CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries	0	USD
CY2010Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1089000000	USD
CY2009Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1104000000	USD
CY2010Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	-192000000	USD
CY2009Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	-221000000	USD
CY2009Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	33000000	USD
CY2010Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	0	USD
CY2010	vlo	Combined Total Throughput Capacity Of Petroleum Refining CombinedTotalThroughputCapacityOfPetroleumRefining	2600000
CY2010	us-gaap	Future Amortization Expense Year Five FutureAmortizationExpenseYearFive	17000000	USD
CY2009Q4	vlo	Deferred Tax Liabilities Inventories DeferredTaxLiabilitiesInventories	399000000	USD
CY2010Q4	vlo	Deferred Tax Liabilities Inventories DeferredTaxLiabilitiesInventories	260000000	USD
CY2009Q3	vlo	Settlement Of Earn Out Agreement SettlementOfEarnOutAgreement	35000000	USD
CY2010	vlo	Maximum Years In Which Underground Storage Tanks Remain In Service At Owned Retail Location MaximumYearsInWhichUndergroundStorageTanksRemainInServiceAtOwnedRetailLocation	25
CY2010	us-gaap	Defined Benefit Plan Estimated Future Employer Contributions In Next Fiscal Year Description DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYearDescription	no
CY2009Q4	us-gaap	Treasury Stock Value TreasuryStockValue	6721000000	USD
CY2010Q4	us-gaap	Treasury Stock Value TreasuryStockValue	6462000000	USD
CY2010	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	62000000	USD
CY2008	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	-36000000	USD
CY2009	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	72000000	USD
CY2010Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	7000000	USD
CY2009Q4	vlo	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	64000000	USD
CY2010	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-107000000	USD
CY2009	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-56000000	USD
CY2008	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	107000000	USD
CY2010Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	44000000	USD
CY2009Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	81000000	USD
CY2010Q4	vlo	Fair Value Assets Measured On Recurring Basis Nonqualified Benefit Plans FairValueAssetsMeasuredOnRecurringBasisNonqualifiedBenefitPlans	114000000	USD
CY2009Q4	vlo	Fair Value Assets Measured On Recurring Basis Nonqualified Benefit Plans FairValueAssetsMeasuredOnRecurringBasisNonqualifiedBenefitPlans	109000000	USD
CY2007Q4	vlo	Common Stock Purchase Program CommonStockPurchaseProgram	6000000000	USD
CY2009	us-gaap	Asset Retirement Obligation Foreign Currency Translation AssetRetirementObligationForeignCurrencyTranslation	0	USD
CY2010	us-gaap	Asset Retirement Obligation Foreign Currency Translation AssetRetirementObligationForeignCurrencyTranslation	0	USD
CY2008	us-gaap	Asset Retirement Obligation Foreign Currency Translation AssetRetirementObligationForeignCurrencyTranslation	-1000000	USD
CY2010Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	268000000	USD
CY2008Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	297000000	USD
CY2007Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	285000000	USD
CY2009Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	279000000	USD
CY2010	vlo	Number Of Vesting Tranches Remaining To Be Granted Under Performance Awards Issued NumberOfVestingTranchesRemainingToBeGrantedUnderPerformanceAwardsIssued	two
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	0	USD
CY2009Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5270000000	USD
CY2010Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	6252000000	USD
CY2010	us-gaap	Commitments And Contingencies2009 CommitmentsAndContingencies2009
CY2009	us-gaap	Commitments And Contingencies2009 CommitmentsAndContingencies2009
CY2009Q4	us-gaap	Assets Held For Sale Long Lived AssetsHeldForSaleLongLived	1461000000	USD
CY2010Q4	us-gaap	Assets Held For Sale Long Lived AssetsHeldForSaleLongLived	0	USD
CY2009Q4	vlo	Accrual For Taxes Other Than Income Taxes Including Ad Valorem Excise Sales And Use And Payroll AccrualForTaxesOtherThanIncomeTaxesIncludingAdValoremExciseSalesAndUseAndPayroll	725000000	USD
CY2010Q4	vlo	Accrual For Taxes Other Than Income Taxes Including Ad Valorem Excise Sales And Use And Payroll AccrualForTaxesOtherThanIncomeTaxesIncludingAdValoremExciseSalesAndUseAndPayroll	671000000	USD
CY2010	us-gaap	Interest Paid Net InterestPaidNet	457000000	USD
CY2008	us-gaap	Interest Paid Net InterestPaidNet	351000000	USD
CY2009	us-gaap	Interest Paid Net InterestPaidNet	390000000	USD
CY2010Q4	us-gaap	Defined Benefit Plan Estimated Future Employer Contributions In Next Fiscal Year DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear	100000000	USD
CY2009Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	304000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	286000000	USD
CY2009	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	-14000000	USD
CY2010	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	-7000000	USD
CY2008	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	-3000000	USD
CY2010Q4	vlo	Derivative Collateral Right To Reclaim Cash Offset DerivativeCollateralRightToReclaimCashOffset	403000000	USD
CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	825000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3334000000	USD
CY2007Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2464000000	USD
CY2008Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	940000000	USD
CY2010Q4	vlo	Net Book Value NetBookValue	980000000	USD
CY2009Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	176000000	USD
CY2010Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	187000000	USD
CY2010	dei	Document Type DocumentType	10-K
CY2010	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	16000000	USD
CY2009Q4	us-gaap	Segment Reporting Entity Consolidated Assets SegmentReportingEntityConsolidatedAssets	35572000000	USD
CY2010Q4	us-gaap	Segment Reporting Entity Consolidated Assets SegmentReportingEntityConsolidatedAssets	37621000000	USD
CY2010	us-gaap	Gain Loss From Hedged Firm Commitment Not Qualifying As Fair Value Hedge Net GainLossFromHedgedFirmCommitmentNotQualifyingAsFairValueHedgeNet	0	USD
CY2009	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-35000000	USD
CY2010	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-23000000	USD
CY2008	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-17000000	USD
CY2008	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	21000000	USD
CY2009	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	24000000	USD
CY2010	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	19000000	USD
CY2009	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	556000000	USD
CY2010	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	260000000	USD
CY2008	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	USD
CY2010	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1730000000	USD
CY2008	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2893000000	USD
CY2009	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2306000000	USD
CY2009Q4	us-gaap	Liabilities Current LiabilitiesCurrent	7809000000	USD
CY2010Q4	us-gaap	Liabilities Current LiabilitiesCurrent	8784000000	USD
CY2010Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	434000000	USD
CY2009Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	426000000	USD
CY2009	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Other AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther	-2000000	USD
CY2008	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Other AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther	-76000000	USD
CY2010	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Other AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther	3000000	USD
CY2010Q4	us-gaap	Derivative Asset Designated As Hedging Instrument Fair Value DerivativeAssetDesignatedAsHedgingInstrumentFairValue	206000000	USD
CY2009Q4	us-gaap	Derivative Asset Designated As Hedging Instrument Fair Value DerivativeAssetDesignatedAsHedgingInstrumentFairValue	929000000	USD
CY2010Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	59000000	USD
CY2009Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	55000000	USD
CY2010Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	54000000	USD
CY2009Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	44000000	USD
CY2010Q4	us-gaap	Derivative Liability Designated As Hedging Instrument Fair Value DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue	254000000	USD
CY2009Q4	us-gaap	Derivative Liability Designated As Hedging Instrument Fair Value DerivativeLiabilityDesignatedAsHedgingInstrumentFairValue	744000000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	59000000	USD
CY2009	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	173000000	USD
CY2008	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	145000000	USD
CY2008	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2010	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2009	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	799000000	USD
CY2008	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	152000000	USD
CY2009	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	-52000000	USD
CY2010	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	-117000000	USD
CY2010Q4	us-gaap	Accrued Insurance Noncurrent AccruedInsuranceNoncurrent	80000000	USD
CY2009Q4	us-gaap	Accrued Insurance Noncurrent AccruedInsuranceNoncurrent	84000000	USD
CY2008	vlo	Reclassification To Cost Of Sales From Operating Expenses ReclassificationToCostOfSalesFromOperatingExpenses	92000000	USD
CY2009	vlo	Reclassification To Cost Of Sales From Operating Expenses ReclassificationToCostOfSalesFromOperatingExpenses	76000000	USD
CY2010	vlo	Return Of Investment ReturnOfInvestment	0	USD
CY2009	vlo	Return Of Investment ReturnOfInvestment	0	USD
CY2008	vlo	Return Of Investment ReturnOfInvestment	0	USD
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	104000000	USD
CY2008	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-47000000	USD
CY2010	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	53000000	USD
CY2009	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	65000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	184000000	USD
CY2009Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	234000000	USD
CY2009Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1200000000	shares
CY2010Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1200000000	shares
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	324000000	USD
CY2010	us-gaap	Gain Loss On Discontinuation Of Cash Flow Hedge Due To Forecasted Transaction Probable Of Not Occurring Net GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet	0	USD
CY2008	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	0	USD
CY2010	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-34000000	USD
CY2009	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	0	USD
CY2010Q4	vlo	Fair Value Liabilities Measured On Recurring Basis Certain Nonqualified Benefit Plans FairValueLiabilitiesMeasuredOnRecurringBasisCertainNonqualifiedBenefitPlans	36000000	USD
CY2009Q4	vlo	Fair Value Liabilities Measured On Recurring Basis Certain Nonqualified Benefit Plans FairValueLiabilitiesMeasuredOnRecurringBasisCertainNonqualifiedBenefitPlans	34000000	USD
CY2009	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-132000000	USD
CY2008	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	227000000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	5000000	USD
CY2010Q4	vlo	Eligible Receivables Sold To Third Party Entities And Financial Institutions EligibleReceivablesSoldToThirdPartyEntitiesAndFinancialInstitutions	100000000	USD
CY2009Q4	vlo	Eligible Receivables Sold To Third Party Entities And Financial Institutions EligibleReceivablesSoldToThirdPartyEntitiesAndFinancialInstitutions	200000000	USD
CY2010	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	23000000	USD
CY2008	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	23000000	USD
CY2009	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	21000000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	388000000	USD
CY2009Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	365000000	USD
CY2007Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	573000000	USD
CY2008Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-176000000	USD
CY2009Q4	vlo	Redemption Value Percentage Of Stated Value RedemptionValuePercentageOfStatedValue	1
CY2010Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	182000000	USD
CY2009Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	25000000	USD
CY2010Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	40000000	USD
CY2009Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	41000000	USD
CY2009	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	46000000	shares
CY2010Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	0	USD
CY2009Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	0	USD
CY2009Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	56000000	USD
CY2010Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	64000000	USD
CY2010	vlo	Number Of Employees Covered By Employee Benefit Plans NumberOfEmployeesCoveredByEmployeeBenefitPlans	substantially all
CY2009	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	28000000	USD
CY2010	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	14000000	USD
CY2008	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	43000000	USD
CY2010Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	7704000000	USD
CY2009Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	7896000000	USD
CY2009Q4	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0675
CY2009	us-gaap	Net Income Loss NetIncomeLoss	-1982000000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	324000000	USD
CY2008	us-gaap	Net Income Loss NetIncomeLoss	-1131000000	USD
CY2010Q1	us-gaap	Net Income Loss NetIncomeLoss	-113000000	USD
CY2010Q2	us-gaap	Net Income Loss NetIncomeLoss	583000000	USD
CY2009Q1	us-gaap	Net Income Loss NetIncomeLoss	309000000	USD
CY2009Q3	us-gaap	Net Income Loss NetIncomeLoss	-629000000	USD
CY2010Q3	us-gaap	Net Income Loss NetIncomeLoss	292000000	USD
CY2010Q4	us-gaap	Net Income Loss NetIncomeLoss	-438000000	USD
CY2009Q2	us-gaap	Net Income Loss NetIncomeLoss	-254000000	USD
CY2009Q4	us-gaap	Net Income Loss NetIncomeLoss	-1408000000	USD
CY2009	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	0	USD
CY2008	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	0	USD
CY2010	vlo	Period Of Estimated Undiscounted Future Costs Resulted Inenvironmental Liabilities PeriodOfEstimatedUndiscountedFutureCostsResultedInenvironmentalLiabilities	20
CY2010Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	3000000	USD
CY2009Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	95000000	USD
CY2009	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3292000000	USD
CY2008	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2965000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1405000000	USD
CY2008	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	2500000	shares
CY2009	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	2700000	shares
CY2010	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	4400000	shares
CY2009	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	998000000	USD
CY2008	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	USD
CY2010	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	1544000000	USD
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	353000000	USD
CY2009Q4	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	17000000	USD
CY2010Q4	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	22000000	USD
CY2008	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	9000000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	11000000	USD
CY2009	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	5000000	USD
CY2009Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	109000000	USD
CY2010Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	39000000	USD
CY2009Q4	us-gaap	Property Plant And Equipment Fair Value Disclosure PropertyPlantAndEquipmentFairValueDisclosure	16000000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	4000000	USD
CY2008	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5000000	USD
CY2009	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	1000000	USD
CY2010Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	231000000	USD
CY2009Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	249000000	USD
CY2009Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2010Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	153000000	USD
CY2008Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	136000000	USD
CY2009Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	155000000	USD
CY2008	vlo	Fees Related To Accounts Receivable Sales Facility FeesRelatedToAccountsReceivableSalesFacility	6000000	USD
CY2009	vlo	Fees Related To Accounts Receivable Sales Facility FeesRelatedToAccountsReceivableSalesFacility	8000000	USD
CY2010	vlo	Fees Related To Accounts Receivable Sales Facility FeesRelatedToAccountsReceivableSalesFacility	8000000	USD
CY2010Q4	us-gaap	Due From Affiliate Noncurrent DueFromAffiliateNoncurrent	0	USD
CY2009Q4	us-gaap	Due From Affiliate Noncurrent DueFromAffiliateNoncurrent	0	USD
CY2009	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	25000000	USD
CY2010	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	22000000	USD
CY2008	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	33000000	USD
CY2008	us-gaap	Other Payments To Acquire Businesses OtherPaymentsToAcquireBusinesses	0	USD
CY2010	us-gaap	Other Payments To Acquire Businesses OtherPaymentsToAcquireBusinesses	0	USD
CY2009	us-gaap	Other Payments To Acquire Businesses OtherPaymentsToAcquireBusinesses	21000000	USD
CY2010	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2009	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2008	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2010Q4	us-gaap	Due To Affiliate Noncurrent DueToAffiliateNoncurrent	0	USD
CY2009Q4	us-gaap	Due To Affiliate Noncurrent DueToAffiliateNoncurrent	0	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	5416000000	USD
CY2009Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	4983000000	USD
CY2010Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	172000000	USD
CY2009Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	105000000	USD
CY2010	vlo	Maximum Maturity Period Of Temporary Cash Investments MaximumMaturityPeriodOfTemporaryCashInvestments	3
CY2010Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	85000000	USD
CY2009Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	85000000	USD
CY2010Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	5000000	USD
CY2008	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	144000000	USD
CY2009	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	29000000	USD
CY2010	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	0	USD
CY2010	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	1000000	USD
CY2010Q4	vlo	Debt Maturities Repayments Of Principal In Year Two DebtMaturitiesRepaymentsOfPrincipalInYearTwo	759000000	USD
CY2010Q4	us-gaap	Other Noncurrent Liabilities OtherNoncurrentLiabilities	208000000	USD
CY2009Q4	us-gaap	Other Noncurrent Liabilities OtherNoncurrentLiabilities	184000000	USD
CY2009Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	241000000	USD
CY2010Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	265000000	USD
CY2008	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	29000000	USD
CY2009	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-1062000000	USD
CY2010	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-370000000	USD
CY2010	us-gaap	Proceeds From Contributions From Parent ProceedsFromContributionsFromParent	0	USD
CY2009	us-gaap	Proceeds From Contributions From Parent ProceedsFromContributionsFromParent	0	USD
CY2008	us-gaap	Proceeds From Contributions From Parent ProceedsFromContributionsFromParent	0	USD
CY2010	vlo	Number Of Retail And Wholesale Branded Outlets Through Which Refined Products Are Marketed NumberOfRetailAndWholesaleBrandedOutletsThroughWhichRefinedProductsAreMarketed	5800
CY2009	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate DefinedBenefitPlanUltimateHealthCareCostTrendRate	0.05
CY2010	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate DefinedBenefitPlanUltimateHealthCareCostTrendRate	0.0500
CY2010	us-gaap	Proceeds From Sale Of Investment Projects ProceedsFromSaleOfInvestmentProjects	330000000	USD
CY2008	us-gaap	Proceeds From Sale Of Investment Projects ProceedsFromSaleOfInvestmentProjects	0	USD
CY2009	us-gaap	Proceeds From Sale Of Investment Projects ProceedsFromSaleOfInvestmentProjects	0	USD
CY2010Q4	us-gaap	Proceeds From Sale Of Investment Projects ProceedsFromSaleOfInvestmentProjects	330000000	USD
CY2010	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	-16000000	USD
CY2009	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	66000000	USD
CY2008	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	0	USD
CY2009Q4	vlo	Other Long Term Tax Liabilities OtherLongTermTaxLiabilities	103000000	USD
CY2010Q4	vlo	Other Long Term Tax Liabilities OtherLongTermTaxLiabilities	106000000	USD
CY2010Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Derivative Financial Instruments Liabilities FairValueLiabilitiesMeasuredOnRecurringBasisDerivativeFinancialInstrumentsLiabilities	39000000	USD
CY2009Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Derivative Financial Instruments Liabilities FairValueLiabilitiesMeasuredOnRecurringBasisDerivativeFinancialInstrumentsLiabilities	109000000	USD
CY2011Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	568971156	shares
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	1263000000	USD
CY2009Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	238000000	USD
CY2010Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	228000000	USD
CY2009Q4	us-gaap	Commodity Contract Asset Current CommodityContractAssetCurrent	183000000	USD
CY2010Q4	us-gaap	Commodity Contract Asset Current CommodityContractAssetCurrent	144000000	USD
CY2010Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	3326000000	USD
CY2009Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	4658000000	USD
CY2009	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	850000000	USD
CY2008	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	0	USD
CY2010	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	1325000000	USD
CY2009Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2008Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2010Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2008	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.16
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
CY2009	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.67
CY2009Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.48
CY2010Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.20
CY2010Q4	vlo	Approvals Under Stock Purchase Programs ApprovalsUnderStockPurchasePrograms	3500000000	USD
CY2010Q4	us-gaap	Assets Assets	37621000000	USD
CY2009Q4	us-gaap	Assets Assets	35572000000	USD
CY2010	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	-888000000	USD
CY2008	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	305000000	USD
CY2009	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	0	USD
CY2009Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	0	USD
CY2010Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	0	USD
CY2009	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	-1000000	USD
CY2010	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	-4000000	USD
CY2008	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	-1000000	USD
CY2007Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	70000000	USD
CY2009Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	179000000	USD
CY2010Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	101000000	USD
CY2008Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	72000000	USD
CY2010Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	256000000	USD
CY2009Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	212000000	USD
CY2009Q4	vlo	Gain Loss On Redemption Included In Other Income Expense GainLossOnRedemptionIncludedInOtherIncomeExpense	6000000	USD
CY2010	dei	Document Period End Date DocumentPeriodEndDate	2010-12-31
CY2009	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-343000000	USD
CY2008	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	675000000	USD
CY2010	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	347000000	USD
CY2009Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.51
CY2009Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.12
CY2010Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.03
CY2010Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
CY2010Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.77
CY2009Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.59
CY2010Q4	vlo	Debt Maturities Repayments Of Principal In Year Five DebtMaturitiesRepaymentsOfPrincipalInYearFive	484000000	USD
CY2009Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	103000000	USD
CY2010Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	20000000	USD
CY2010Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	81000000	USD
CY2009Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	76000000	USD
CY2008	vlo	Lease And Rental Expense Net LeaseAndRentalExpenseNet	519000000	USD
CY2010	vlo	Lease And Rental Expense Net LeaseAndRentalExpenseNet	505000000	USD
CY2009	vlo	Lease And Rental Expense Net LeaseAndRentalExpenseNet	536000000	USD
CY2010Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	237000000	USD
CY2010Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	37000000	USD
CY2009Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	36000000	USD
CY2009Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	7400000000	USD
CY2010Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	8337000000	USD
CY2010Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	18000000	USD
	vlo	Quarterly Earn Out Payments QuarterlyEarnOutPayments	2200000	USD
CY2009Q3	us-gaap	Payments For Proceeds From Derivatives PaymentsForProceedsFromDerivatives	175000000	USD
CY2009Q4	us-gaap	Payments For Proceeds From Derivatives PaymentsForProceedsFromDerivatives	105000000	USD
CY2010Q4	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	0	USD
CY2009Q4	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	0	USD

Files In Submission

Name	View Source	Status
0001035002-11-000013-index-headers.html	Edgar Link	pending
0001035002-11-000013-index.html	Edgar Link	pending
0001035002-11-000013.txt	Edgar Link	pending
0001035002-11-000013-xbrl.zip	Edgar Link	pending
crownover.jpg	Edgar Link	pending
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Financial_Report.xls	Edgar Link	pending
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R99.xml	Edgar Link	unprocessable
totalreturncharts.jpg	Edgar Link	pending
vlo-20101231.xml	Edgar Link	completed
vlo-20101231.xsd	Edgar Link	pending
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vlo-20101231_def.xml	Edgar Link	unprocessable
vlo-20101231_lab.xml	Edgar Link	unprocessable
vlo-20101231_pre.xml	Edgar Link	unprocessable
vlo12311010k.htm	Edgar Link	pending
vlo123110ex1005.htm	Edgar Link	pending
vlo123110ex1006.htm	Edgar Link	pending
vlo123110ex1007.htm	Edgar Link	pending
vlo123110ex1018.htm	Edgar Link	pending
vlo123110ex1201.htm	Edgar Link	pending
vlo123110ex2101.htm	Edgar Link	pending
vlo123110ex2301.htm	Edgar Link	pending
vlo123110ex3101.htm	Edgar Link	pending
vlo123110ex3102.htm	Edgar Link	pending
vlo123110ex3201.htm	Edgar Link	pending
vlo123110ex9901.htm	Edgar Link	pending

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$VLO
VALERO ENERGY CORP/TX Stock $vlo

2009 Q4 Form 10-K Financial Statement

#000103500211000013 Filed on February 25, 2011

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$VLO VALERO ENERGY CORP/TX Stock $vlo

2009 Q4 Form 10-K Financial Statement

#000103500211000013 Filed on February 25, 2011

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$VLO
VALERO ENERGY CORP/TX Stock $vlo