Finance Receivables and Loans, Net (Commercial Criticized Risk Exposure) (Details) - Commercial - Industry Concentration Risk - Financing Receivable	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total commercial criticized finance receivables and loans	100.00%	100.00%
Automotive
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total commercial criticized finance receivables and loans	53.40%	50.80%
Chemicals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total commercial criticized finance receivables and loans	14.70%	14.40%
Electronics
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total commercial criticized finance receivables and loans	11.90%	3.60%
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total commercial criticized finance receivables and loans	20.00%	31.20%