v3.26.1
Finance Receivables - Allowance for Credit Losses and Total Finance Receivables (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance $ 284 $ 267  
Write-offs (42) (30)  
Recoveries 13 10  
Provision for credit losses 28 33  
Other 0 2  
Ending Balance 283 282  
Total Finance Receivables 32,921 29,682 $ 33,099
Customer      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 273 258  
Write-offs (42) (30)  
Recoveries 13 10  
Provision for credit losses 29 33  
Other 0 2  
Ending Balance 273 273  
Total Finance Receivables 24,448 22,701 24,572
Dealer      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 4 4  
Write-offs 0 0  
Recoveries 0 0  
Provision for credit losses 0 0  
Other 0 0  
Ending Balance 4 4  
Total Finance Receivables 2,984 2,504  
Caterpillar Purchased Receivables      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 7 5  
Write-offs 0 0  
Recoveries 0 0  
Provision for credit losses (1) 0  
Other 0 0  
Ending Balance 6 5  
Total Finance Receivables $ 5,489 $ 4,477 $ 5,500