Consolidated Statement of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities
Net Income	$ 982	$ 765
Financing Receivable, Credit Loss, Expense (Reversal)	282	191
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation Depletion and Amortizations	2,291	2,133
Amortization Of Upfront Interest Supplements	(1,746)	(1,305)
Net change in deferred income taxes	28	(2)
Net change in other assets	(365)	(605)
Net change in other liabilities	365	449
All other operating activities	195	(62)
Net Cash Provided by (Used in) Operating Activities	2,032	1,564
Cash flows from investing activities
Purchases of finance receivables	(32,952)	(30,919)
Principal collections of finance receivables	28,629	27,336
Purchases of operating lease vehicles	(8,533)	(7,021)
Proceeds From Liquidations of Operating Lease Vehicles	5,669	6,740
Net change in wholesale receivables and other	(2,770)	(1,129)
Purchases of marketable securities	(168)	(1,918)
Proceeds from sales and maturities of marketable securities	249	1,979
Settlements of derivatives	(401)	(214)
All other investing activities	(61)	(58)
Net Cash Provided by (Used in) Investing Activities	(10,338)	(5,204)
Cash flows from financing activities
Proceeds from issuances of long-term debt	43,473	36,582
Principal payments on long-term debt	(35,453)	(31,663)
Change in short-term debt, net	(1,520)	(885)
Cash distributions to parent	(325)	0
All other financing activities	(117)	(109)
Net Cash Provided by (Used in) Financing Activities	6,058	3,925
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	32	(30)
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	(2,216)	255
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at March 31	$ 8,579	$ 10,775