Income Taxes (Details 4) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deferred income tax assets:
Allowance for credit losses	$ 124	$ 111
Tax carryforwards	39	44
Deferred tax assets, gross	163	155
Deferred income tax liabilities (primarily lease basis differences)	(508)	(508)
Valuation allowance for deferred income tax assets	(23)	(2)
Deferred income tax on translation adjustment	(194)	(190)
Deferred income taxes, net	$ (562)	$ (545)