Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2025

Receivables [Abstract]

Schedule of the entity's accounts receivable balances

The following table presents details of our accounts receivable balances:

	December 31,
	2025(1)		2024
	(Dollars in millions)
Trade and purchased receivables	$	307	295
Earned and unbilled credits	(100)		(67)
Other	29		28
Total accounts receivable	236		256
Less: allowance for credit losses	(37)		(29)
Accounts receivable, less allowance	$	199	227

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(1) These values exclude assets classified as held for sale as of December 31, 2025.