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Additional Financial Information Reorganization Items (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Feb. 01, 2010 Revaluation of Liabilities
Fresh-Start Adjustment [Line Items] |  |  |  |  |
Write-off of remaining unamortized debt fair value adjustment |  | $ 0 |  | $ 32 |
Professional fees |  | 1 |  | 5 |
Reorganization Items | 0 | 1 | 0 | 37 |
Fresh start accounting discount recognized |  |  |  |  | $ 120

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- Definition Amount of reorganization items related to legal and advisory professional fees related to entities in bankruptcy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56145-112766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6916575&loc=d3e55730-112764 + Details
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- Definition Amount of write-off of deferred financing costs and debt discounts related to prepetition debt obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56145-112766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6916575&loc=d3e55730-112764 + Details
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