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Cash, Cash Equivalents, and Marketable Securities Restricted Cash (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Restricted Cash and Cash Equivalents Items [Line Items]
Cash and cash equivalents	$ 30,989	$ 17,504
Restricted cash	192	175
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	0	62
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	31,181	17,741	$ 22,306	$ 16,907
Operating Segments \| Automotive
Restricted Cash and Cash Equivalents Items [Line Items]
Cash and cash equivalents	18,094	8,320
Restricted cash	21	$ 15
Operating Segments \| Automotive \| Notes Payable to Banks [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Compensating Balance, Amount	290
Short-term Debt	$ 498
Ford Motor Company Limited \| Operating Segments \| Automotive
Restricted Cash and Cash Equivalents Items [Line Items]
Debt Instrument, Term	5 years