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Note 10 - Stock Compensation (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Nonvested Share Activity [Table Text Block]
  

RSUs

      

PSUs

 
      

Grant-Date

      

Grant-Date

 
  

Shares

  

Fair Value*

  

Shares

  

Fair Value*

 

December 31, 2023

  1.9  $20.05   0.7  $21.70 

Granted

  2.9   11.25   0.7   13.23 

Vested

  (1.0)  20.08   (0.5)  18.83 

Expired

  (0.6)  14.95   (0.1)  12.20 

December 31, 2024

  3.2   12.76   0.8   13.59 
Share-Based Payment Arrangement, Cost by Plan [Table Text Block]
  

2024

  

2023

  

2022

 

Total stock compensation expense

 $30  $26  $19 

Total grant-date fair value of awards vested

  31   33   19 

Cash received from exercise of stock options

      3     

Cash paid to settle SARs and RSUs

  4   5   4 

Intrinsic value of stock options and SARs exercised

      1    

Intrinsic value of RSUs and PSUs vested

  21   30   21 
Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
  

PSUs

 
  

2024

  

2023

 

Expect term (in years)

  3.0   3.0 

Risk-free interest rate

  4.39%  4.28%

Dividend yield

  2.7%  2.5%

Expected volatility

  47.7%  67.0%