v3.25.3
Debt Under Vehicle Programs and Borrowing Arrangements (Schedule of Contractual Maturities) (Details) - Deferred Financing Fees
$ in Millions
Sep. 30, 2025
USD ($)
Debt Instrument [Line Items]  
Within 1 year $ 4,018
Between 1 and 2 years 8,169
Between 2 and 3 years 2,911
Between 3 and 4 years 2,912
Between 4 and 5 years 962
Thereafter 364
Total 19,336
Bank And Bank-Sponsored Facilities  
Debt Instrument [Line Items]  
Within 1 year 600
Between 1 and 2 years 4,400
Between 3 and 4 years $ 100
Short-term debt, weighted average interest rate, at point in time 4.52%