Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Segment Information
Revenues	$ 36,990	$ 37,666	$ 116,185	$ 118,545
Income/(loss) before income taxes	(19)	1,094	1,796	4,362
Equity in net income/(loss) of affiliated companies	(16)	(32)	96	252
Cash, cash equivalents, marketable securities, and restricted cash	37,489	36,535	37,489	36,535
Total assets	258,157	258,966	258,157	258,966	$ 256,540
Operating Segments | Automotive
Segment Information
Revenues	33,931	34,660	106,928	109,577
Income/(loss) before income taxes	1,329	1,402	4,711	4,291
Equity in net income/(loss) of affiliated companies	(27)	(40)	62	232
Cash, cash equivalents, marketable securities, and restricted cash	22,194	23,595	22,194	23,595
Total assets	101,865	102,615	101,865	102,615
Operating Segments | Mobility
Segment Information
Revenues	14	8	26	18
Income/(loss) before income taxes	(290)	(196)	(842)	(479)
Equity in net income/(loss) of affiliated companies	2	0	11	0
Cash, cash equivalents, marketable securities, and restricted cash	135	56	135	56
Total assets	1,193	510	1,193	510
Operating Segments | Ford Credit
Segment Information
Revenues	3,045	2,998	9,231	8,950
Income/(loss) before income taxes	736	678	2,368	1,964
Equity in net income/(loss) of affiliated companies	9	8	23	20
Cash, cash equivalents, marketable securities, and restricted cash	15,160	12,884	15,160	12,884
Total assets	160,322	159,976	160,322	159,976
Corporate Other
Segment Information
Revenues	0	0	0	0
Income/(loss) before income taxes	18	(216)	(343)	(231)
Equity in net income/(loss) of affiliated companies	0	0	0	0
Cash, cash equivalents, marketable securities, and restricted cash	0	0	0	0
Total assets	0	0	0	0
Interest on Debt | Adjustments
Segment Information
Revenues	0	0	0	0
Income/(loss) before income taxes	(276)	(343)	(765)	(933)
Equity in net income/(loss) of affiliated companies	0	0	0	0
Cash, cash equivalents, marketable securities, and restricted cash	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	(1,536)	(231)	(3,333)	(250)
Equity in net income/(loss) of affiliated companies	0	0	0	0
Cash, cash equivalents, marketable securities, and restricted cash	0	0	0	0
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
Cash, cash equivalents, marketable securities, and restricted cash	0	0	0	0
Total assets	$ (5,223)	$ (4,135)	$ (5,223)	$ (4,135)