Earnings per Share (Tables)
3 Months Ended
Mar. 31, 2015
Earnings Per Share [Abstract]  
Reconciliation of Basic Earnings per Share to Diluted Earnings per Share for Income from Continuing Operations

The following is a reconciliation of basic earnings per share to diluted earnings per share for income from continuing operations attributable to our common stockholders (in millions, except per share data):

 

     Three Months Ended
March 31,
 
     2015      2014  

Income from continuing operations

   $ 99       $ 136   
  

 

 

    

 

 

 

Weighted average common shares for basic earnings per share

     170         190   

Effect of dilutive stock options and restricted stock awards

     1         2   
  

 

 

    

 

 

 

Weighted average common shares for diluted earnings per share

     171         192   
  

 

 

    

 

 

 

Basic earnings per share

   $ 0.59       $ 0.71   
  

 

 

    

 

 

 

Diluted earnings per share

   $ 0.58       $ 0.71