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Commitment and Contingencies (Details) (USD $) | 6 Months Ended
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Jun. 30, 2012
Commitments and Contingencies |
Minimum Power Purchase Obligation | $ 500,000,000
Amount of application under DOE Loan Guarantee Program | 2,000,000,000
Potential financing from Japanese export credit agencies under discussion | 1,000,000,000
Upper range of potential ACP asset impairment expense | 1,100,000,000
Estimated maximum potential severance liability | 14,000,000
Estimated maximum potential severance liability, DOE share | 9,000,000
Maximum royalty under commercial Centrifuge IP license | 665,000,000
Total estimated cost of RD&D Program | 350,000,000
DOE share of RD&D Program | 280,000,000
USEC share of RD&D Program | 70,000,000
DOE initial funding of RD&D Program | 87,700,000
DOE RD&D Program funding through July 2012 | 26,400,000
Balance of DOE initial funding of RD&D Program | 61,300,000
Unfunded DOE share of RD&D Program | $ 192,300,000

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