Allowance for Losses on Financial Assets Allowance for Losses on Financial Assets

3 Months Ended

Mar. 31, 2022

Allowance for Losses on Financial Assets [Abstract]

Credit Loss, Financial Instrument

Allowances for Losses on Financial Assets

The changes in allowances for expected credit losses for the three months ended March 31, 2022 and 2021 consisted of the following:

	Accounts receivable	Unbilled receivables	Other current assets	Customer financing	Other assets	Total
Balance at January 1, 2021	($444)	($129)	($72)	($17)	($140)	($802)
Changes in estimates	10	(1)	(6)		(42)	(39)
Write-offs	1					1
Balance at March 31, 2021	($433)	($130)	($78)	($17)	($182)	($840)
Balance at January 1, 2022	($390)	($91)	($62)	($18)	($186)	($747)
Changes in estimates	(7)	15	5	(48)	(22)	(57)
Write-offs	6					6
Recoveries	1					1
Balance at March 31, 2022	($390)	($76)	($57)	($66)	($208)	($797)