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Note 8 - Guarantees (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]

(in millions)

    

Deferred revenue on extended warranties as of December 31, 2022

 $19 

New extended warranty and maintenance arrangements deferred

  44 

Recognition of extended warranty and maintenance arrangement revenue

  (45)

Deferred revenue on extended warranties as of June 30, 2023

 $18