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Debt Narrative - Debt Facilities - Automotive (Details) (Automotive Segment [Member], USD $) | 6 Months Ended |  |  |  |  | 6 Months Ended |  | 6 Months Ended
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Jun. 30, 2013 Letter of Credit [Member] Tranche C Loan [Member] | Jun. 30, 2013 Revolving Credit Facility [Member] Debt Facility [Member] | Dec. 31, 2012 Revolving Credit Facility [Member] Debt Facility [Member] | Jun. 30, 2013 Letter of Credit [Member] Debt Facility [Member] | Dec. 31, 2012 Letter of Credit [Member] Debt Facility [Member] | Jun. 30, 2013 Term Loan [Member] Debt Facility [Member] | Jun. 30, 2013 Term Loan [Member] Debt Facility [Member] Tranche B Loan [Member] | Jun. 30, 2013 Term Loan [Member] Debt Facility [Member] Tranche C Loan [Member] | Jun. 30, 2013 LIBOR [Member] Term Loan [Member] Debt Facility [Member] | Jun. 30, 2013 Base Rate [Member] Term Loan [Member] Debt Facility [Member] | Jun. 30, 2013 Minimum [Member] LIBOR [Member] Revolving Credit Facility [Member] Debt Facility [Member] | Jun. 30, 2013 Minimum [Member] Base Rate [Member] Revolving Credit Facility [Member] Debt Facility [Member] | Jun. 30, 2013 Maximum [Member] LIBOR [Member] Revolving Credit Facility [Member] Debt Facility [Member] | Jun. 30, 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 |  | 492,000,000 | 451,000,000 |  |  |  |  |  |  |  |  |  |  |
Letters of credit outstanding |  |  |  | 40,000,000 | 37,000,000 |  |  |  |  |  |  |  |  |
Amount deposited in term letter of credit account under credit facility | $ 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Term of Interest Rate Derivatives + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + 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 + 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 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 2: 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 Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: 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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