Finance Receivables and Loans, Net (Schedule of Sales of Financing Receivables and Loans) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total sales and transfers	$ 1,153	$ 1
Consumer | Automotive
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total sales and transfers	1,108	0
Consumer | Consumer mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total sales and transfers	0	1
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total sales and transfers	$ 45	$ 0