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Income Taxes (Tables)
6 Months Ended
Jun. 30, 2014
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,
2014

 

December 31,
2013

 

Unrecognized tax benefits, excluding interest and penalties

 

$

330

 

$

326

 

Interest and penalties

 

169

 

176

 

Unrecognized tax benefits, including interest and penalties

 

$

499

 

$

502