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Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) (USD $) |  |  |  | 9 Months Ended |
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Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 HomeLink® | Sep. 30, 2014 HomeLink® Homelink Technology | Sep. 30, 2014 HomeLink® Homelink Technology Minimum [Member] | Sep. 30, 2014 HomeLink® Existing Customer Platforms | Sep. 30, 2014 HomeLink® HomeLink Trade Names and Trademarks | Sep. 30, 2014 HomeLink® Exclusive Licensing Agreement
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Indefinite-lived intangible assets |  |  |  |  |  |  |  | $ 52,000,000 | $ 96,000,000
Finite-lived intangible assets, gross |  |  |  |  | 180,000,000 |  | 43,000,000 |  |
Finite-lived intangible assets, accumulated amortization |  |  |  | (19,300,000) | (15,000,000) |  | (4,300,000) |  |
Finite-lived intangible assets, net |  |  |  |  | 165,000,000 |  | 38,700,000 |  |
Intangible assets, gross |  |  |  | 371,000,000 |  |  |  |  |
Intangible assets, net | $ 351,700,000 | $ 366,175,000 | [1] | $ 351,700,000 |  |  |  |  |
Finite-lived intangible asset, useful life |  |  |  |  |  | 12 years 0 days | 10 years |  |
[1] | Note: The condensed consolidated balance sheet at December 31, 2013 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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