Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Information
Revenues	$ 34,476	$ 36,228
Income/(Loss) before income taxes	(3,848)	3,942
Equity in net income/(loss) of affiliated companies	(33)	79
Total assets	252,986	260,819	$ 257,035
Equities (a)
Segment Information
Marketable Securities, Unrealized Gain (Loss)	(5,400)		$ 8,300
Rivian | Equities (a)
Segment Information
Marketable Securities, Unrealized Gain (Loss)	(5,400)
Other Income [Member] | Rivian
Segment Information
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount		902
Operating Segments | Automotive
Segment Information
Revenues	32,111	33,554
Income/(Loss) before income taxes	1,891	3,397
Equity in net income/(loss) of affiliated companies	139	172
Total assets	72,437	65,633
Operating Segments | Mobility
Segment Information
Revenues	84	11
Income/(Loss) before income taxes	(242)	(207)
Equity in net income/(loss) of affiliated companies	(75)	(60)
Total assets	3,501	3,612
Operating Segments | Ford Credit
Segment Information
Revenues	2,281	2,663
Income/(Loss) before income taxes	928	962
Equity in net income/(loss) of affiliated companies	6	5
Total assets	132,582	146,349
Corporate Other
Segment Information
Revenues	0	0
Income/(Loss) before income taxes	(251)	(240)
Equity in net income/(loss) of affiliated companies	1	1
Total assets	45,130	46,492
Interest on Debt | Adjustments
Segment Information
Revenues	0	0
Income/(Loss) before income taxes	(308)	(473)
Equity in net income/(loss) of affiliated companies	0	0
Total assets	0	0
Special Items | Adjustments
Segment Information
Revenues	0	0
Income/(Loss) before income taxes	(5,866)	503
Equity in net income/(loss) of affiliated companies	(104)	(39)
Total assets	0	0
Adjustments | Adjustments
Segment Information
Revenues	0	0
Income/(Loss) before income taxes	0	0
Equity in net income/(loss) of affiliated companies	0	0
Total assets	$ (664)	$ (1,267)