Consolidated Statement of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities
Net Income	$ 234	$ 240
Financing Receivable, Credit Loss, Expense (Reversal)	88	77
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation Depletion and Amortizations	761	701
Amortization Of Upfront Interest Supplements	(540)	(407)
Net change in deferred income taxes	34	(3)
Net change in other assets	(93)	(38)
Net change in other liabilities	456	60
All other operating activities	18	(76)
Net Cash Provided by (Used in) Operating Activities	958	554
Cash flows from investing activities
Purchases of finance receivables	(11,146)	(9,899)
Principal collections of finance receivables	9,393	9,025
Purchases of operating lease vehicles	(2,456)	(1,990)
Proceeds From Liquidations of Operating Lease Vehicles	1,974	2,226
Net change in wholesale receivables and other	(1,135)	(661)
Purchases of marketable securities	(51)	(973)
Proceeds from sales and maturities of marketable securities	123	917
Settlements of derivatives	(207)	31
All other investing activities	(16)	(17)
Net Cash Provided by (Used in) Investing Activities	(3,521)	(1,341)
Cash flows from financing activities
Proceeds from issuances of long-term debt	16,488	13,912
Principal payments on long-term debt	(14,179)	(12,228)
Change in short-term debt, net	(1,416)	(1,966)
All other financing activities	(50)	(53)
Net Cash Provided by (Used in) Financing Activities	843	(335)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	(125)	50
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at January 1	10,795	10,520
Net increase/(decrease) in cash, cash equivalents, and restricted cash	(1,845)	(1,072)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at March 31	$ 8,950	$ 9,448