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Note 6 - Other Income (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Other Nonoperating Income, by Component [Table Text Block]

Millions

 

2021

  

2020

  

2019

 

Rental income

 $136  $123  $124 

Gain on non-operating asset dispositions [a]

  98   115   20 

Gain from sale of investment

  36   -   - 

Net periodic pension costs

  25   41   46 

Interest income

  5   12   32 

Interest income on employment tax refund

  -   -   31 

Other

  (3)  (4)  (10)

Total

 $297  $287  $243