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Note 6 - Other Income (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Other Nonoperating Income, by Component [Table Text Block]
  

Three Months Ended

  

Six Months Ended

 
  

June 30,

  

June 30,

 

Millions

 

2024

  

2023

  

2024

  

2023

 

Real estate income [a]

 $57  $69  $122  $245 

Net periodic pension benefit/(costs)

  15   14   30   28 

Interest from IRS refund claims

  24   -   24   - 

Non-operating property environmental remediation and restoration

  (8)  (3)  (14)  (22)

Other

  15   13   33   26 

Total

 $103  $93  $195  $277