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Interest and Other Investment Income (Expense), Net
12 Months Ended
Dec. 31, 2013
Interest and Other Investment Income (Expense), Net  
Interest and other investment income (expense), net

17. Interest and Other Investment Income (Expense), Net

Interest and other investment income (expense), net is comprised of the following (amounts in millions):

   For the Years Ended December 31,
   2013 2012 2011
Interest income $5 $6 $14
Interest expense  ---  (1)  (4)
Interest expense from debt and amortization of debt discount         
 and deferred financing costs  (58)  ---  ---
Net realized gain (loss) on foreign exchange contracts  ---  2  (7)
Interest and other investment income (expense), net $(53) $7 $3