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Foreign Currency
3 Months Ended
Mar. 31, 2013
Foreign Currency [Abstract]  
Foreign Currency
9. Foreign Currency

Pre-tax foreign currency gains (losses) included in Other, net in the Statement of Consolidated Income amounted to the following:

 

     Three Months Ended
March  31,
 
     2013     2012  
     (In millions)  

Pre-tax foreign currency gains (losses)

   $ (31   $ 21