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Accounts Receivable (Tables)
 12 Months Ended
Dec. 31, 2023
Receivables [Abstract]  
Schedule of Accounts Receivable
Accounts receivable consist of the following:
December 31,
(Dollars in millions)20232022
Accounts receivable$152 $168 
Less allowance for credit losses(1)(2)
Accounts receivable, net
$151 $166