Allowances for Losses on Financial Assets (Tables)

3 Months Ended

Mar. 31, 2023

Allowance for Losses on Financial Assets [Abstract]

Schedule of Financial Assets, Allowance for Credit Loss

The changes in allowances for expected credit losses for the three months ended March 31, 2023 and 2022 consisted of the following:

	Accounts receivable	Unbilled receivables	Other current assets	Customer financing	Other assets	Total
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)
Balance at January 1, 2023	($116)	($23)	($85)	($55)	($88)	($367)
Changes in estimates	1	1	8		(4)	6
Write-offs	3		1			4
Recoveries	1					1
Balance at March 31, 2023	($111)	($22)	($76)	($55)	($92)	($356)