v3.25.2
Allowances for Losses on Financial Assets - Schedule of Financial Assets, Allowance for Credit Loss (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward]    
Account receivable, allowance for credit loss, beginning balance $ (92) $ (89)
Unbilled receivables, allowance for credit loss, beginning balance (38) (19)
Allowance for credit loss, beginning balance (383) (331)
Customer financing, allowance for credit loss, beginning balance (7) (51)
Accounts receivable, changes in estimates (4) (15)
Unbilled receivables, changes in estimates (5) (1)
Changes in estimates (59) (29)
Customer financing, changes in estimates 3 35
Accounts receivable, write-offs 7 7
Write-offs 8 17
Recoveries 1 1
Accounts receivable, recovery 1 1
Accounts receivable, other 11  
Other 11  
Account receivable, allowance for credit loss, ending balance (77) (96)
Unbilled receivables, allowance for credit loss, ending balance (43) (20)
Allowance for credit loss, ending balance (422) (342)
Customer financing, allowance for credit loss, ending balance (4) (16)
Other current assets    
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward]    
Allowance for credit loss, beginning balance (47) (50)
Allowance for credit loss, ending balance (55) (41)
Other assets    
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward]    
Allowance for credit loss, beginning balance (199) (122)
Allowance for credit loss, ending balance (243) (169)
Other current assets    
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward]    
Changes in estimates (9) (1)
Write-offs 1 10
Other assets    
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward]    
Changes in estimates $ (44) $ (47)