CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net income/(loss)	$ (875)	$ 1,333
Depreciation and tooling amortization	4,802	4,988
Other amortization	(590)	(587)
Held-for-sale impairment charges	18	0
Provision for credit losses	779	166
Pension and other post-retirement employee benefits (“OPEB”) expense/(income)	(454)	123
Equity investment dividends received in excess of (earnings)/losses	169	21
Foreign currency adjustments	113	(92)
Net (gain)/loss on changes in investments in affiliates	(3,480)	(2)
Stock compensation	107	169
Provision for deferred income taxes	655	200
Decrease/(Increase) in finance receivables (wholesale and other)	9,772	715
Decrease/(Increase) in accounts receivable and other assets	220	(962)
Decrease/(Increase) in inventory	66	(1,180)
Increase/(Decrease) in accounts payable and accrued and other liabilities	(2,485)	4,929
Other	(175)	186
Net cash provided by/(used in) operating activities	8,642	10,007
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Capital spending	(2,955)	(3,553)
Acquisitions of finance receivables and operating leases	(27,113)	(26,202)
Collections of finance receivables and operating leases	22,923	24,974
Proceeds from sale of business (Note 17)	1,340	0
Purchases of marketable securities and other investments	(19,624)	(7,670)
Sales and maturities of marketable securities and other investments	10,804	8,540
Settlements of derivatives	73	83
Other	337	4
Net cash provided by/(used in) investing activities	(14,215)	(3,824)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Cash payments for dividends and dividend equivalents	(596)	(1,196)
Purchases of common stock	0	0
Net changes in short-term debt	(789)	71
Proceeds from issuance of long-term debt	44,303	26,233
Principal payments on long-term debt	(23,345)	(25,767)
Other	(182)	(149)
Net cash provided by/(used in) financing activities	19,391	(808)
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	(378)	24
Net increase/(decrease) in cash, cash equivalents, and restricted cash	13,440	5,399
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)	$ 31,181	$ 22,306