Income Taxes - Deferred Income Tax assets And Liabilities Related To Vehicle Programs (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Deferred income tax assets:
Other	$ 167	$ 100
Deferred income tax assets	2,154	2,358
Deferred income tax liabilities:
Other	4	4
Deferred income tax liabilities under vehicle programs, net	775	743
Vehicle Programs
Deferred income tax assets:
Depreciation and amortization	63	80
Deferred income tax liabilities:
Depreciation and amortization	2,815	2,321
Other assets
Deferred income tax assets:
Other	22	19
Assets
Deferred income tax assets:
Deferred income tax assets	85	99
Other
Deferred income tax liabilities:
Other	24	20
Liability
Deferred income tax liabilities:
Deferred income tax liabilities	2,839	2,341
Vehicle Programs, Net
Deferred income tax liabilities:
Deferred income tax liabilities under vehicle programs, net	$ 2,754	$ 2,242