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Product Warranty Liabilities (Tables)
 12 Months Ended
Dec. 31, 2024
Guarantees and Product Warranties [Abstract]  
Product Warranty Liability Activities Product warranty liability activities consisted of the following (dollars in millions):

 

 

 

Year ended
December 31,
2024

 

 

Year ended
December 31,
2023

 

 

Year ended
December 31,
2022

 

Beginning balance

 

$

59

 

 

$

57

 

 

$

53

 

Payments

 

 

(41

)

 

 

(41

)

 

 

(31

)

Increase in liability (warranty issued during period)

 

 

33

 

 

 

28

 

 

 

17

 

Net adjustments to liability

 

 

16

 

 

 

15

 

 

 

18

 

Ending balance

 

$

67

 

 

$

59

 

 

$

57