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Allowances for Losses on Financial Assets (Tables)
9 Months Ended
Sep. 30, 2025
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 nine months ended September 30, 2025 and 2024, consisted of the following:
Accounts receivable Unbilled receivablesOther current assets
Financing receivables
Other assetsTotal
Balance at January 1, 2024($89)($19)($50)($51)($122)($331)
Changes in estimates(28)(2)(2)41 (66)(57)
Write-offs15 11 26 
Recoveries
Balance at September 30, 2024
($101)($21)($41)($10)($188)($361)
Balance at January 1, 2025($92)($38)($47)($7)($199)($383)
Changes in estimates(11)(4)(17)7 (25)(50)
Write-offs15 17 32 
Recoveries1 1 
Other
12 12 
Balance at September 30, 2025
($75)($42)($47) ($224)($388)