v2.4.0.8
Income Taxes (Tables)
6 Months Ended
Jun. 30, 2013
Income Taxes  
Schedule of unrecognized tax benefits, including related interest and penalties
The liabilities related to our unrecognized tax benefits, including related interest and penalties that we recognize as a component of income tax expense, were as follows (in millions):
 
   
June 30,
2013
   
December 31,
2012
 
Unrecognized tax benefits, excluding interest and penalties
 
$
370
   
$
382
 
Interest and penalties
   
185
     
199
 
Unrecognized tax benefits, including interest and penalties
 
$
555
   
$
581