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Employee Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2011
Assumptions Used in Estimating the Grant Date Fair Value of Options Using the Black-Scholes Option Pricing Model

respectively. The fair value of each option grant is estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions:

 

         Six Months Ended    
June 30
 
         2011             2010      

Dividend yield

     0.67     %      0.17    

Expected stock price volatility

     34.73            56.10       

Risk-free interest rate (weighted average)

     2.61            2.84       

Expected life of options

     6 years            6 years
Stock-Based Compensation Expense Recognized in Noninterest Expense

Stock-based compensation expense recognized in noninterest expense was as follows:

 

     Three Months Ended
June 30
    Six Months Ended
June 30
 
(Dollars in millions)    2011     2010     2011     2010  

Stock-based compensation expense:

        

    Stock options

     $5         $3         $8         $7    

    Restricted stock

            10         17         22    

    Restricted stock units

                            
  

 

 

   

 

 

   

 

 

   

 

 

 

Total stock-based compensation expense

     $21         $13         $33         $29    
  

 

 

   

 

 

   

 

 

   

 

 

 
Net Periodic Benefit Cost
    Three Months Ended June 30  
    2011     2010  
(Dollars in millions)   Retirement
Benefits
    Other
  Postretirement  
Benefits
      Retirement  
Benefits
    Other
  Postretirement  
Benefits
 

Service cost

    $17         $-         $18         $-    

Interest cost

    32                32           

Expected return on plan assets

    (47)        (2)        (46)        (2)   

Amortization of prior service cost

    (4)               (3)          

Recognized net actuarial loss

    11                15           
 

 

 

   

 

 

   

 

 

   

 

 

 

Net periodic benefit cost

    $9         $-         $16         $1    
 

 

 

   

 

 

   

 

 

   

 

 

 
    Six Months Ended June 30  
    2011     2010  
(Dollars in millions)   Retirement
Benefits
    Other
  Postretirement  
Benefits
      Retirement  
Benefits
    Other
  Postretirement  
Benefits
 

Service cost

    $35         $-         $35         $-    

Interest cost

    64                64           

Expected return on plan assets

    (94)        (4)        (91)        (4)   

Amortization of prior service cost

    (9)               (6)          

Recognized net actuarial loss

    21                30           
 

 

 

   

 

 

   

 

 

   

 

 

 

Net periodic benefit cost

    $17         $1         $32         $2