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Resolution Of Remaining Chapter 11 Disputed Claims (Tables)
9 Months Ended
Sep. 30, 2012
Changes In The Remaining Net Disputed Claims Liability
 (in millions)
 
 
Balance at December 31, 2011
$
848
Interest accrued
 
20
Less: electricity supplier settlements
 
(24
)
Balance at September 30, 2012
$
844