Asset Securitizations (Details Textual) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Securitized Trusts [Line Items]
Restricted cash and cash equivalents	$ 427	$ 514
Lending Trust
Securitized Trusts [Line Items]
Direct and indirect ownership of variable interests	14,600	15,300
Restricted cash and cash equivalents	88	66
Charge Trust
Securitized Trusts [Line Items]
Direct and indirect ownership of variable interests	3,900	4,600
Restricted cash and cash equivalents	$ 0	$ 0