v3.26.1
Cat Financial Financing Activities - Investment In Finance Receivables On Non-Accrual Status (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Nonaccrual    
Period after which collection of future income is considered not probable 120 days  
Customer    
Financing Receivable, Nonaccrual    
Non-accrual With an Allowance $ 182 $ 163
91+ Still Accruing 23 28
North
 America | Customer    
Financing Receivable, Nonaccrual    
Non-accrual With an Allowance 104 90
91+ Still Accruing 14 20
EAME | Customer    
Financing Receivable, Nonaccrual    
Non-accrual With an Allowance 44 35
91+ Still Accruing 6 5
Asia/
 Pacific | Customer    
Financing Receivable, Nonaccrual    
Non-accrual With an Allowance 6 4
91+ Still Accruing 3 2
Latin
 America | Dealer    
Financing Receivable, Nonaccrual    
Non-accrual With an Allowance 0 0
Latin
 America | Customer    
Financing Receivable, Nonaccrual    
Non-accrual With an Allowance 25 24
91+ Still Accruing 0 1
Mining | Customer    
Financing Receivable, Nonaccrual    
Non-accrual With an Allowance 3 10
91+ Still Accruing $ 0 $ 0