Credit Losses on Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2020

Credit Loss [Abstract]

Financing Receivable, Allowance for Credit Loss

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

	Business		Consumer	Total
	(Dollars in millions)
Beginning balance at January 1, 2020 (1)	$	17	18	35
Provision for expected losses	17		14	31
Write-offs charged against the allowance	(12)		(18)	(30)
Recoveries collected	2		4	6
Ending Balance at June 30, 2020	$	24	18	42

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⁽¹⁾The beginning balance includes the cumulative effect of the adoption of new credit loss standard.