Asset Securitizations (Details Textual) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Securitized Trusts [Line Items]
Restricted cash and cash equivalents	$ 514	$ 544
Lending Trust
Securitized Trusts [Line Items]
Direct and indirect ownership of variable interests	15,300	16,000
Restricted cash and cash equivalents	66	59
Charge Trust
Securitized Trusts [Line Items]
Direct and indirect ownership of variable interests	4,600	5,200
Restricted cash and cash equivalents	$ 0	$ 0