Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2024

Receivables [Abstract]

Schedule of the entity's accounts receivable balances

The following table presents details of our accounts receivable balances:

	As of December 31,
	2024		2023
	(Dollars in millions)
Trade and purchased receivables	$	295	287
Earned and unbilled (credits) receivables	(67)		(15)
Other	28		23
Total accounts receivable	256		295
Less: allowance for credit losses	(29)		(34)
Accounts receivable, less allowance	$	227	261