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Segmented Information - Summary of External Revenues by Automotive Products and Services (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers | $ 34,835 | $ 30,837 | $ 28,748
Exterior And Interior Systems [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers | 12,308 | 11,673 | 11,020
Body Systems And Chassis Systems [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers | 7,874 | 7,123 | 6,056
Powertrain Systems [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers | 4,634 | 3,825 | 3,667
Complete Vehicle Assembly [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers | 3,062 | 2,561 | 2,690
Tooling, engineering and other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers | 2,823 | 2,317 | 2,065
Vision And Electronic Systems [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers | 2,193 | 2,132 | 2,066
Closure Systems [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers | $ 1,941 | $ 1,206 | $ 1,184

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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- Details
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