Segment Information (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Segment Information [Line Items]
Number of Operating Segments			3
Revenues	$ 37,666	$ 36,451	$ 118,545	$ 115,450
Income/(loss) before income taxes	1,094	1,770	4,362	6,287
Equity in net income/(loss) of affiliated companies	(32)	316	252	935
Cash, cash equivalents, and marketable securities	36,342	38,081	36,342	38,081
Restricted cash	193	131	193	131	$ 146
Total assets	258,966	251,849	258,966	251,849	258,496
Automotive capital spending			5,669	4,936
Settlement of derivatives			(290)	(62)
Special Items [Member]
Segment Information [Line Items]
Income/(loss) before income taxes	(216)	(122)	(231)	(340)
Restricted cash	0	0	$ 0	0
Operating Segments [Member] \| Automotive
Segment Information [Line Items]
Number of Regional Business Units			5
Revenues	34,660	33,646	$ 109,577	107,234
Income/(loss) before income taxes	1,402	1,879	4,291	6,449
Equity in net income/(loss) of affiliated companies	(40)	305	232	910
Cash, cash equivalents, and marketable securities	23,579	26,144	23,579	26,144
Restricted cash	16	4	16	4	15
Total assets	102,615	104,110	102,615	104,110
Operating Segments [Member] \| Mobility Segment [Member]
Segment Information [Line Items]
Revenues	8	3	18	7
Income/(loss) before income taxes	(196)	(72)	(479)	(199)
Equity in net income/(loss) of affiliated companies		1
Cash, cash equivalents, and marketable securities	26	1	26	1
Restricted cash	30	7	30	7	7
Total assets	510	85	510	85
Operating Segments [Member] \| Ford Credit [Member]
Segment Information [Line Items]
Revenues	2,998	2,802	8,950	8,209
Income/(loss) before income taxes	678	600	1,964	1,700
Equity in net income/(loss) of affiliated companies	8	10	20	25
Cash, cash equivalents, and marketable securities	12,737	11,936	12,737	11,936
Restricted cash	147	120	147	120	$ 124
Total assets	159,976	154,868	159,976	154,868
Interest on Debt [Domain] \| Adjustments [Member]
Segment Information [Line Items]
Revenues	0	0	0	0
Income/(loss) before income taxes	(343)	(298)	(933)	(882)
Equity in net income/(loss) of affiliated companies	0	0	0	0
Cash, cash equivalents, and marketable securities	0	0	0	0
Restricted cash	0	0	0	0
Total assets	0	0	0	0
Special items [Member] \| Adjustments [Member]
Segment Information [Line Items]
Income/(loss) before income taxes	(231)	(217)	(250)	(441)
Restricted cash	0	0	0	0
Adjustments [Member] \| Adjustments [Member]
Segment Information [Line Items]
Restricted cash	0	0	0	0
Total assets	$ (4,135)	$ (7,214)	$ (4,135)	$ (7,214)

Number of regional business units that make up an operating segment.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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The net cash outflow or inflow from derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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