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Earnings Per Common Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Earnings per common share from continuing operations: |  |  |
Net income attributable to Valero stockholders from continuing operations | $ 3,694 us-gaap_IncomeLossFromContinuingOperations | $ 2,714 us-gaap_IncomeLossFromContinuingOperations | $ 3,117 us-gaap_IncomeLossFromContinuingOperations
Less dividends paid: |  |  |
Weighted-average common shares outstanding (in millions) | 526 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 542 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 550 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Earnings per common share from continuing operations: |  |  |
Total earnings per common share from continuing operations | $ 7.00 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 4.98 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 5.64 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Earnings per common share from continuing operations – assuming dilution: |  |  |
Net income attributable to Valero stockholders from continuing operations | 3,694 us-gaap_IncomeLossFromContinuingOperations | 2,714 us-gaap_IncomeLossFromContinuingOperations | 3,117 us-gaap_IncomeLossFromContinuingOperations
Weighted-average common shares outstanding (in millions) | 526 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 542 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 550 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Common equivalent shares: |  |  |
Weighted-average common shares outstanding – assuming dilution (in millions) | 530 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 548 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 556 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Earnings per common share from continuing operations – assuming dilution (in usd per share) | $ 6.97 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 4.96 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 5.61 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Common Stock [Member] |  |  |
Earnings per common share from continuing operations: |  |  |
Net income attributable to Valero stockholders from continuing operations | 3,694 us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 2,714 us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 3,117 us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Less dividends paid: |  |  |
Common stock | 552 us-gaap_DividendsCommonStockCash / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 460 us-gaap_DividendsCommonStockCash / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 358 us-gaap_DividendsCommonStockCash / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Nonvested restricted stock | 2 us-gaap_DividendsShareBasedCompensationCash / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 2 us-gaap_DividendsShareBasedCompensationCash / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 2 us-gaap_DividendsShareBasedCompensationCash / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Undistributed earnings | 3,140 us-gaap_UndistributedEarnings / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 2,252 us-gaap_UndistributedEarnings / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 2,757 us-gaap_UndistributedEarnings / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Weighted-average common shares outstanding (in millions) | 526 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 542 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 550 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Earnings per common share from continuing operations: |  |  |
Distributed earnings (in usd per share) | $ 1.05 us-gaap_EarningsPerShareBasicDistributed / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.85 us-gaap_EarningsPerShareBasicDistributed / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 0.65 us-gaap_EarningsPerShareBasicDistributed / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Undistributed earnings (in usd per share) | $ 5.95 us-gaap_EarningsPerShareBasicUndistributed / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 4.13 us-gaap_EarningsPerShareBasicUndistributed / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 4.99 us-gaap_EarningsPerShareBasicUndistributed / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Total earnings per common share from continuing operations | $ 7.00 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 4.98 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 5.64 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Earnings per common share from continuing operations – assuming dilution: |  |  |
Net income attributable to Valero stockholders from continuing operations | $ 3,694 us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 2,714 us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 3,117 us-gaap_IncomeLossFromContinuingOperations / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Weighted-average common shares outstanding (in millions) | 526 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 542 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 550 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Common equivalent shares: |  |  |
Stock options (in shares) | 2 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 4 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 4 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Performance awards and nonvested restricted stock (in shares) | 2 us-gaap_IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 2 us-gaap_IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 2 us-gaap_IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Weighted-average common shares outstanding – assuming dilution (in millions) | 530 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 548 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | 556 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Earnings per common share from continuing operations – assuming dilution (in usd per share) | $ 6.97 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 4.96 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember | $ 5.61 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Restricted Stock [Member] |  |  |
Less dividends paid: |  |  |
Weighted-average common shares outstanding (in millions) | 2 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember | 3 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember | 3 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember
Earnings per common share from continuing operations: |  |  |
Distributed earnings (in usd per share) | $ 1.05 us-gaap_EarningsPerShareBasicDistributed / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember | $ 0.85 us-gaap_EarningsPerShareBasicDistributed / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember | $ 0.65 us-gaap_EarningsPerShareBasicDistributed / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember
Undistributed earnings (in usd per share) | $ 5.95 us-gaap_EarningsPerShareBasicUndistributed / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember | $ 4.13 us-gaap_EarningsPerShareBasicUndistributed / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember | $ 4.99 us-gaap_EarningsPerShareBasicUndistributed / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember
Total earnings per common share from continuing operations | $ 7.00 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember | $ 4.98 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember | $ 5.64 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember
Earnings per common share from continuing operations – assuming dilution: |  |  |
Weighted-average common shares outstanding (in millions) | 2 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember | 3 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember | 3 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementClassOfStockAxis = us-gaap_RestrictedStockMember

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- Definition Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4613673-111683 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.13) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The earnings that is allocated to common stock and participating securities to the extent that each security may share in earnings as if all of the earnings for the period had been distributed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60B -URI http://asc.fasb.org/extlink&oid=7655603&loc=SL5780133-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60A -URI http://asc.fasb.org/extlink&oid=7655603&loc=SL5780132-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2740-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 66 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2814-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 65 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2793-109256 + Details
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