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:

(Dollars in millions)	Business		Consumer	Total
Beginning balance at January 1, 2020 (1)	$	58	37	95
Provision for expected losses	54		36	90
Write-offs charged against the allowance	(37)		(44)	(81)
Recoveries collected	11		11	22
Foreign currency exchange rate changes adjustment	(2)		—	(2)
Ending balance at June 30, 2020	$	84	40	124

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