Income Taxes (Details 4) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred income tax assets:
Allowance for credit losses	$ 90	$ 100
Tax carryforwards	78	61
Deferred tax assets, gross	168	161
Deferred income tax liabilities (primarily lease basis differences)	(425)	(508)
Valuation allowance for deferred income tax assets	(39)	(33)
Deferred income tax on translation adjustment	(189)	(147)
Deferred income taxes, net	$ (485)	$ (527)