The changes in allowances for expected credit losses for the six months ended June 30, 2026 and 2025, consisted of the following:


	Accounts receivable	Unbilled receivables	Other current assets	Financing receivables	Other assets	Total
Balance at January 1, 2025	($92)	($38)	($47)	($7)	($199)	($383)
Changes in estimates	(4)	(5)	(9)	3	(44)	(59)
Write-offs	7		1			8

Recoveries	1					1
Other	11					11
Balance at June 30, 2025	($77)	($43)	($55)	($4)	($243)	($422)

Balance at January 1, 2026	($76)	($42)	($43)	$0	($111)	($272)
Changes in estimates	(9)	10			(14)	(13)
Write-offs	3		1		6	10

Recoveries					1	1

Balance at June 30, 2026	($82)	($32)	($42)	$0	($118)	($274)