Borrowings - ABS Maverick Notes (Details) - Secured Debt - USD ($) $ in Millions	Mar. 31, 2026	Feb. 28, 2025
ABS Maverick Notes, due December 2038
Debt Instrument [Line Items]
Debt instrument, face amount		$ 640
Market premium, percentage		1.60%
Interest Rate	9.10%
ABS Maverick Notes, Class A-1 Notes
Debt Instrument [Line Items]
Debt instrument, face amount		$ 285
Interest Rate		8.121%
ABS Maverick Notes, Class A-2 Notes
Debt Instrument [Line Items]
Debt instrument, face amount		$ 260
Interest Rate		8.946%
ABS Maverick Notes, Class B Notes
Debt Instrument [Line Items]
Debt instrument, face amount		$ 95
Interest Rate		12.436%