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Note 6 - Other Income (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Other Nonoperating Income, by Component [Table Text Block]

Millions

 

2022

   

2021

   

2020

 

Real estate income [a] [b]

  $ 381     $ 263     $ 264  

Net periodic pension benefit/(costs)

    84       25       41  

Environmental remediation and restoration

    (47 )     (17 )     (30 )

Gain from sale of investment

    -       36       -  

Other [a]

    8       (10 )     12  

Total

  $ 426     $ 297     $ 287