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Debt 2022 First Lien Notes (Details) (USD $)
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3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|---|---|
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Dec. 31, 2013
2022 First Lien Notes [Member]
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Sep. 30, 2013
2022 First Lien Notes [Member]
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| Debt Instrument [Line Items] | ||||||
| Debt Instrument, Face Amount | $ 750,000,000 | |||||
| Long Term Debt net of Original Issuance Disount | 99.193% | |||||
| Deferred Finance Costs, Net | 11,000,000 | |||||
| Gains (Losses) on Extinguishment of Debt | $ 0 | $ 0 | $ (68,000,000) | $ (12,000,000) | $ 43,000,000 | |
| Debt Instrument, Interest Rate, Stated Percentage | 6.00% | |||||