Loans with Government Guarantees (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Loans and Leases Receivable Disclosure [Abstract]
Debt instrument, term	10 years
Repurchase option	$ 200
Decrease in repurchase option	(1,700)
Loans with government guarantees	1,650	$ 2,516
Repossessed assets and associated claims	$ 7	$ 17