Segment Information (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Jun. 01, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Segment Information
Revenues		$ 35,683	$ 37,501	$ 98,663	$ 91,192
Income/(loss) before income taxes		1,885	2,756	6,562	2,694
Equity in net income/(loss) of affiliated companies		130	58	260	(8)
Total assets		252,677	259,943	252,677	259,943	$ 267,261
Other Income [Member]
Segment Information
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount				902
Operating Segments | Automotive
Segment Information
Revenues		33,211	34,710	90,893	82,677
Income/(loss) before income taxes		2,459	2,665	5,767	448
Equity in net income/(loss) of affiliated companies		188	115	441	59
Total assets		68,291	62,787	68,291	62,787
Operating Segments | Mobility
Segment Information
Revenues		38	17	70	35
Income/(loss) before income taxes		(258)	(230)	(637)	(801)
Equity in net income/(loss) of affiliated companies		(63)	(58)	(157)	(70)
Total assets		3,471	3,482	3,471	3,482
Operating Segments | Mobility | Argo AI [Member] | Other Income [Member]
Segment Information
Equity Method Investment, Realized Gain (Loss) on Disposal	$ 3,500
Operating Segments | Ford Credit
Segment Information
Revenues		2,434	2,774	7,700	8,480
Income/(loss) before income taxes		1,077	1,123	3,662	1,696
Equity in net income/(loss) of affiliated companies		9	4	23	12
Total assets		135,385	152,853	135,385	152,853
Corporate Other
Segment Information
Revenues		0	0	0	0
Income/(loss) before income taxes		(285)	86	99	(277)
Equity in net income/(loss) of affiliated companies		0	0	1	0
Total assets		46,695	42,588	46,695	42,588
Interest on Debt | Adjustments
Segment Information
Revenues		0	0	0	0
Income/(loss) before income taxes		(439)	(498)	(1,365)	(1,175)
Equity in net income/(loss) of affiliated companies		0	0	0	0
Total assets		0	0	0	0
Special Items | Adjustments
Segment Information
Revenues		0	0	0	0
Income/(loss) before income taxes		(669)	(390)	(964)	2,803
Equity in net income/(loss) of affiliated companies		(4)	(3)	(48)	(9)
Total assets		0	0	0	0
Adjustments | Adjustments
Segment Information
Revenues		0	0	0	0
Income/(loss) before income taxes		0	0	0	0
Equity in net income/(loss) of affiliated companies		0	0	0	0
Total assets		$ (1,165)	$ (1,767)	$ (1,165)	$ (1,767)