XML 25 R43.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Segment information for our reportable segments |  |  |  |  |
Operating revenues | $ 25,118 | $ 34,914 | $ 46,448 | $ 68,577 |
Operating income (loss) | 2,078 | 1,085 | 3,573 | 2,436 |
Total assets by reportable segment |  |  |  |  |
Reportable segment assets | 47,599 |  | 47,599 |  | $ 45,550
Refining [Member] |  |  |  |  |
Total assets by reportable segment |  |  |  |  |
Reportable segment assets | 39,813 |  | 39,813 |  | 40,103
Ethanol [Member] |  |  |  |  |
Total assets by reportable segment |  |  |  |  |
Reportable segment assets | 961 |  | 961 |  | 954
Corporate and Other [Member] |  |  |  |  |
Total assets by reportable segment |  |  |  |  |
Reportable segment assets | 6,825 |  | 6,825 |  | $ 4,493
Operating Segments [Member] | Refining [Member] |  |  |  |  |
Segment information for our reportable segments |  |  |  |  |
Operating revenues | 24,350 | 33,457 | 44,879 | 65,909 |
Operating income (loss) | 2,161 | 1,079 | 3,802 | 2,359 |
Operating Segments [Member] | Ethanol [Member] |  |  |  |  |
Segment information for our reportable segments |  |  |  |  |
Operating revenues | 768 | 1,457 | 1,569 | 2,668 |
Operating income (loss) | 108 | 187 | 120 | 430 |
Corporate, Non-Segment [Member] | Corporate and Other [Member] |  |  |  |  |
Segment information for our reportable segments |  |  |  |  |
Operating income (loss) | (191) | (181) | (349) | (353) |
Intersegment Eliminations [Member] |  |  |  |  |
Segment information for our reportable segments |  |  |  |  |
Operating revenues | 37 | 9 | 65 | 34 |
Intersegment Eliminations [Member] | Refining [Member] |  |  |  |  |
Segment information for our reportable segments |  |  |  |  |
Operating revenues | 0 | 0 | 0 | 0 |
Intersegment Eliminations [Member] | Ethanol [Member] |  |  |  |  |
Segment information for our reportable segments |  |  |  |  |
Operating revenues | $ 37 | $ 9 | $ 65 | $ 34 |

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Revenue related to the downstream oil and gas activities, including the refining of crude oil, as well as the marketing and distribution of crude oil, refined petroleum products, and natural gas. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 23 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51678428&loc=d3e62136-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=51678428&loc=d3e62246-109447 + Details
Name: | us-gaap_RefiningAndMarketingRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reportable Segment Total Assets [Abstract] + References No definition available. + Details
Name: | vlo_ReportableSegmentTotalAssetsAbstract
Namespace Prefix: | vlo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vlo_RefiningMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vlo_EthanolMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |