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Other Current Assets
 12 Months Ended
Dec. 31, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Current Assets
Note 11. Other Current Assets
December 31,
20242023
(Dollars in millions)
Prepaid expenses$16 $15 
Taxes receivable18 18 
Advanced discounts to customers, current18 16 
Customer reimbursable engineering29 12 
Foreign exchange forward contracts13 12 
Other— 2 
$94 $75