CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net income/(loss)	$ (1,993)	$ 1,183
Depreciation and tooling amortization	2,444	2,429
Other amortization	(302)	(287)
Held-for-sale impairment charges	3	0
Provision for credit losses	598	43
Pension and other post-retirement employee benefits (“OPEB”) expense/(income)	(178)	(18)
Equity investment dividends received in excess of (earnings)/losses	118	17
Foreign currency adjustments	338	(49)
Net (gain)/loss on changes in investments in affiliates	(15)	(3)
Stock compensation	38	85
Provision for deferred income taxes	702	221
Decrease/(Increase) in finance receivables (wholesale and other)	(1,080)	(1,813)
Decrease/(Increase) in accounts receivable and other assets	39	(237)
Decrease/(Increase) in inventory	(1,177)	(1,083)
Increase/(Decrease) in accounts payable and accrued and other liabilities	194	2,944
Other	(202)	112
Net cash provided by/(used in) operating activities	(473)	3,544
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Capital spending	(1,780)	(1,633)
Acquisitions of finance receivables and operating leases	(12,184)	(12,595)
Collections of finance receivables and operating leases	12,709	12,336
Proceeds from sale of business (Note 17)	1,340	0
Purchases of marketable securities and other investments	(8,244)	(3,923)
Sales and maturities of marketable securities and other investments	4,998	4,441
Settlements of derivatives	131	(14)
Other	(84)	54
Net cash provided by/(used in) investing activities	(3,114)	(1,334)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Cash payments for dividends and dividend equivalents	(596)	(597)
Purchases of common stock	0	0
Net changes in short-term debt	(622)	420
Proceeds from issuance of long-term debt	26,691	15,411
Principal payments on long-term debt	(12,948)	(13,277)
Other	(71)	(84)
Net cash provided by/(used in) financing activities	12,454	1,873
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect [Abstract]
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(448)	29
Net increase/(decrease) in cash, cash equivalents, and restricted cash	8,419	4,112
Cash, cash equivalents, and restricted cash at beginning of period (Note 7)	17,741	16,907
Cash, cash equivalents, and restricted cash at end of period (Note 7)	$ 26,160	$ 21,019