Cash, Cash Equivalents, and Marketable Securities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 17,504	$ 16,718
Restricted Cash	175	189
Cash, cash equivalents, and restricted cash in held-for-sale assets	62	0
Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	2,842	2,221
Cash, Cash Equivalents, and Short-term Investments	14,662	14,497
Investments, Fair Value Disclosure	17,147	17,233
U.S. government | Fair Value, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	520	359
Investments, Fair Value Disclosure	3,125	3,303
U.S. government agencies | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	125	521
Investments, Fair Value Disclosure	1,758	2,018
Non-U.S. government and agencies | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	951	283
Investments, Fair Value Disclosure	6,625	5,284
Corporate debt | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	1,246	1,058
Investments, Fair Value Disclosure	4,995	5,812
Equity Securities | Fair Value, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	81	424
Other marketable securities | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	563	392
Operating Segments | Automotive
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	8,320	7,058
Restricted Cash	15	16
Cash, cash equivalents, and restricted cash in held-for-sale assets	0
Operating Segments | Automotive | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	1,888	1,059
Cash, Cash Equivalents, and Short-term Investments	6,432	5,999
Investments, Fair Value Disclosure	13,851	15,925
Operating Segments | Automotive | U.S. government | Fair Value, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	520	220
Investments, Fair Value Disclosure	2,930	3,014
Operating Segments | Automotive | U.S. government agencies | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	125	496
Investments, Fair Value Disclosure	1,548	1,953
Operating Segments | Automotive | Non-U.S. government and agencies | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	601	169
Investments, Fair Value Disclosure	4,217	4,674
Operating Segments | Automotive | Corporate debt | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	642	174
Investments, Fair Value Disclosure	4,802	5,614
Operating Segments | Automotive | Equity Securities | Fair Value, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	81	424
Operating Segments | Automotive | Other marketable securities | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	273	246
Operating Segments | Mobility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	117	53
Restricted Cash	21	33
Cash, cash equivalents, and restricted cash in held-for-sale assets	0
Operating Segments | Mobility | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Cash, Cash Equivalents, and Short-term Investments	117	53
Investments, Fair Value Disclosure	0	0
Operating Segments | Mobility | U.S. government | Fair Value, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Investments, Fair Value Disclosure	0	0
Operating Segments | Mobility | U.S. government agencies | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Investments, Fair Value Disclosure	0	0
Operating Segments | Mobility | Non-U.S. government and agencies | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Investments, Fair Value Disclosure	0	0
Operating Segments | Mobility | Corporate debt | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Investments, Fair Value Disclosure	0	0
Operating Segments | Mobility | Equity Securities | Fair Value, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0	0
Operating Segments | Mobility | Other marketable securities | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0	0
Operating Segments | Ford Credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	9,067	9,607
Restricted Cash	139	140
Cash, cash equivalents, and restricted cash in held-for-sale assets	62
Operating Segments | Ford Credit | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	954	1,162
Cash, Cash Equivalents, and Short-term Investments	8,113	8,445
Investments, Fair Value Disclosure	3,296	1,308
Operating Segments | Ford Credit | U.S. government | Fair Value, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	139
Investments, Fair Value Disclosure	195	289
Operating Segments | Ford Credit | U.S. government agencies | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	0	25
Investments, Fair Value Disclosure	210	65
Operating Segments | Ford Credit | Non-U.S. government and agencies | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	350	114
Investments, Fair Value Disclosure	2,408	610
Operating Segments | Ford Credit | Corporate debt | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	604	884
Investments, Fair Value Disclosure	193	198
Operating Segments | Ford Credit | Equity Securities | Fair Value, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	0	0
Operating Segments | Ford Credit | Other marketable securities | Fair Value, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments, Fair Value Disclosure	290	146
Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable Securities, Unrealized Gain (Loss)	$ (44)	$ 25