CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net income/(loss)	$ 1,515	$ 1,756
Depreciation and tooling amortization	6,670	7,310
Other amortization	(938)	(891)
Held-for-sale impairment charges (Note 17)	21	799
Provision for credit losses	866	292
Pension and other post-retirement employee benefits (“OPEB”) expense/(income)	(454)	401
Equity investment dividends received in excess of (earnings)/losses	132	73
Foreign currency adjustments	(216)	49
Net (gain)/loss on changes in investments in affiliates	(3,483)	(46)
Stock compensation	170	238
Provision for deferred income taxes	978	(403)
Decrease/(Increase) in finance receivables (wholesale and other)	11,006	2,792
Decrease/(Increase) in accounts receivable and other assets	74	(1,023)
Decrease/(Increase) in inventory	(202)	(1,790)
Increase/(Decrease) in accounts payable and accrued and other liabilities	3,858	5,226
Other	(267)	(44)
Net cash provided by/(used in) operating activities	19,730	14,739
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Capital spending	(4,211)	(5,358)
Acquisitions of finance receivables and operating leases	(43,473)	(41,142)
Collections of finance receivables and operating leases	36,536	37,854
Proceeds from sale of business (Note 17)	1,340	0
Purchases of marketable securities and other investments	(27,401)	(12,367)
Sales and maturities of marketable securities and other investments	24,402	12,532
Settlements of derivatives	(407)	163
Other	344	(53)
Net cash provided by/(used in) investing activities	(12,870)	(8,371)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Cash payments for dividends and dividend equivalents	(596)	(1,794)
Purchases of common stock	0	(237)
Net changes in short-term debt	(2,815)	(1,094)
Proceeds from issuance of long-term debt	54,325	35,705
Principal payments on long-term debt	(50,641)	(34,847)
Other	(242)	(173)
Net cash provided by/(used in) financing activities	31	(2,440)
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	(160)	(154)
Net increase/(decrease) in cash, cash equivalents, and restricted cash	6,731	3,774
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)	$ 24,472	$ 20,681