Consolidated Statement of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities
Net Income	$ 424	$ 234
Financing Receivable, Credit Loss, Expense (Reversal)	140	88
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation Depletion and Amortizations	770	761
Amortization Of Upfront Interest Supplements	(643)	(540)
Net change in deferred income taxes	146	34
Net change in other assets	(150)	(93)
Net change in other liabilities	82	456
All other operating activities	35	18
Net Cash Provided by (Used in) Operating Activities	804	958
Cash flows from investing activities
Purchases of finance receivables	(8,280)	(11,146)
Principal collections of finance receivables	9,734	9,393
Purchases of operating lease vehicles	(2,799)	(2,456)
Proceeds From Liquidations of Operating Lease Vehicles	1,470	1,974
Net change in wholesale receivables and other	2,548	(1,135)
Purchases of marketable securities	(157)	(51)
Proceeds from sales and maturities of marketable securities	93	123
Settlements of derivatives	(181)	(207)
All other investing activities	(27)	(16)
Net Cash Provided by (Used in) Investing Activities	2,401	(3,521)
Cash flows from financing activities
Proceeds from issuances of long-term debt	11,979	16,488
Principal payments on long-term debt	(16,185)	(14,179)
Change in short-term debt, net	(651)	(1,416)
Cash distributions to parent	(200)	0
All other financing activities	(40)	(50)
Net Cash Provided by (Used in) Financing Activities	(5,097)	843
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	76	(125)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at January 1	9,360	10,795
Net increase/(decrease) in cash, cash equivalents, and restricted cash	(1,816)	(1,845)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at March 31	$ 7,544	$ 8,950