ACCOUNTS RECEIVABLE AND OTHER FINANCIAL ASSETS (Tables)

3 Months Ended

Mar. 31, 2021

Receivables [Abstract]

Activity of the allowance for expected credit losses on receivables

The following table summarizes the activity of the allowance for expected credit losses on receivables (in millions):

	Three Months Ended March 31,
	2021		2020
Balance, beginning of year	$	166	$	49
Provision charged to earnings	(12)		199
Write-offs and adjustments	(57)		(1)
Foreign currency translation adjustments	(3)		(2)
Balance, end of period	$	94	$	245

Activity of the allowance for expected credit losses on prepayments to customers

The following table summarizes the activity of the allowance for expected credit losses on prepayments to customers (in millions):

	Three Months Ended March 31,
	2021		2020
Balance, beginning of year	$	55	$	6
Provision charged to expense	2		48
Write-offs and adjustments	(1)		—
Balance, end of period	$	56	$	54