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Cost Reduction Initiatives (Tables)
6 Months Ended
Jun. 30, 2011
Cost Reduction Initiatives (Tables)  
Remaining Accrual
   Total
   (in millions)
 Balance as of December 31, 2010 $ 17
 Incurred   -
 Settled   (9)
 Adjustments   (2)
 Balance as of June 30, 2011 $ 6