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Shareholders' Equity (Tables)
6 Months Ended
Jun. 30, 2011
Shareholders' Equity  
Schedule of Assumptions Used to Calculate Fair Value of Options Granted
     June 30,  
       2011         2010    

Assumptions:

    

Risk-free interest rate

     1.7     2.0

Dividend yield

     3.5       5.4  

Volatility factor

     37.2       36.0  

Expected life

     7.4  yrs      7.2  yrs 

Fair value of options per share

   $ 7.45     $ 5.60  
Stock Options Activity Roll Forward
     Six Months Ended
June 30, 2011
 
     Options     Wtd. Avg.
Exercise
Price
 

Outstanding at beginning of period

     44,690,131     $ 35.06  

Granted

     3,755,975       27.73  

Exercised

     (33,198     17.89  

Forfeited or expired

     (2,609,000     36.30  
  

 

 

   

Outstanding at end of period

     45,803,908       34.40  
  

 

 

   

Exercisable at end of period

     34,303,021     $ 36.38  
  

 

 

   
Restricted Shares and Restricted Share Units Activity Roll Forward
     Six Months Ended
June 30, 2011
 
     Shares/Units     Wtd. Avg.
Grant Date
Fair Value
 

Nonvested at beginning of period

     13,283,786     $ 20.06  

Granted

     2,554,528       24.15  

Vested

     (1,803,878     29.99  

Forfeited

     (325,913     21.43  
  

 

 

   

Nonvested at end of period

     13,708,523     $ 19.48