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Other Income and Expense
 3 Months Ended
Mar. 31, 2012
OTHER INCOME AND EXPENSE

12. OTHER INCOME (EXPENSE)

Other income was $18 million and $16 million for the three months ended March 31, 2012 and 2011 respectively, and generally includes gains on asset sales and extinguishments of liabilities, favorable judgments on contingencies and income from miscellaneous transactions.

The components of other expense for the three months ended March 31, 2012 and 2011 were as follows:

  Three Months Ended
  March 31,
  2012 2011
       
  (in millions)
Loss on sale and disposal of assets $ 24 $ 10
Other   5   5
Total other expense $ 29 $ 15

Other expense for the three months ended March 31, 2012 and 2011 of $29 million and $15 million, respectively, was primarily comprised of losses on the disposal of assets at Eletropaulo. Other expense generally includes losses on asset sales, losses on the extinguishment of debt, contingencies and losses from miscellaneous transactions.