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Debt Narrative - Debt Facilities - Automotive (Details) (Automotive Segment [Member], USD $) | 3 Months Ended |  |  |  |  | 3 Months Ended |
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Mar. 31, 2013 Letter of Credit [Member] Tranche C Loan [Member] | Mar. 31, 2013 Revolving Credit Facility [Member] Debt Facility [Member] | Dec. 31, 2012 Revolving Credit Facility [Member] Debt Facility [Member] | Mar. 31, 2013 Letter of Credit [Member] Debt Facility [Member] | Dec. 31, 2012 Letter of Credit [Member] Debt Facility [Member] | Mar. 31, 2013 Term Loan [Member] Debt Facility [Member] | Mar. 31, 2013 Term Loan [Member] Debt Facility [Member] Tranche B Loan [Member] | Mar. 31, 2013 Term Loan [Member] Debt Facility [Member] Tranche C Loan [Member] | Mar. 31, 2013 LIBOR [Member] Term Loan [Member] Debt Facility [Member] | Mar. 31, 2013 Base Rate [Member] Term Loan [Member] Debt Facility [Member] | Mar. 31, 2013 Minimum [Member] LIBOR [Member] Revolving Credit Facility [Member] Debt Facility [Member] | Mar. 31, 2013 Minimum [Member] Base Rate [Member] Revolving Credit Facility [Member] Debt Facility [Member] | Mar. 31, 2013 Maximum [Member] LIBOR [Member] Revolving Credit Facility [Member] Debt Facility [Member] | Mar. 31, 2013 Maximum [Member] Base Rate [Member] Revolving Credit Facility [Member] Debt Facility [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of Interest Rate Derivatives |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Line of credit facility |  | $ 540,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Facility |  |  |  |  |  | 2,960,000,000 | 1,960,000,000 | 1,000,000,000 |  |  |  |  |  |
Percentage spread on debt |  |  |  |  |  |  |  |  | 1.9375% | 0.9375% | 1.50% | 0.50% | 2.00% | 1.00%
Revolving credit facility, unused borrowing availability |  | 504,000,000 | 451,000,000 |  |  |  |  |  |  |  |  |  |  |
Letters of credit outstanding |  |  |  | 37,000,000 | 37,000,000 |  |  |  |  |  |  |  |  |
Amount deposited in term letter of credit account under credit facility | $ 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16, 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -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 02 -Paragraph 19, 22 -Article 5 + Details
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