Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2023

Receivables [Abstract]

Schedule of accounts receivable

The following table presents details of our accounts receivable balances:

	Years Ended December 31,
	2023		2022
	(Dollars in millions)
Trade receivables	$	435	440
Earned and unbilled receivables	122		94
Other	1		2
Total accounts receivable	558		536
Less: allowance for credit losses	(13)		(19)
Accounts receivable, less allowance	$	545	517

Allowance for credit losses on financing receivables

The following table presents the activity of our allowance for credit losses for our accounts receivable portfolio:

	Years Ended December 31,
	2023		2022	2021
	(Dollars in millions)
Balance at beginning of period	$	19	39	45
Provision for expected losses	8		4	19
Write-offs charged against the allowance	(19)		(22)	(27)
Recoveries collected	4		3	5
Change in allowance in assets held for sale(1)	1		(5)	(3)
Balance at end of period	$	13	19	39

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(1)     Represents the amounts classified as held for sale related to the divestitures of our Latin American and EMEA businesses prior to the divestitures on August 1, 2022 and November 1, 2023, respectively. See Note 2—Divestitures of the Latin American and EMEA Businesses.