Finance Receivables Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales Type and Direct Financing Lease Revenue	$ 86	$ 96	$ 264	$ 268
Net Finance Receivables [Abstract]
Financing Receivable, before Allowance for Credit Loss	91,988		91,988			$ 106,375
Financing Receivable, Allowance for Credit Loss	(984)	(1,314)	(984)	(1,314)	$ (1,061)	(1,305)	$ (1,285)	$ (513)
Finance leases, net	91,004		91,004			105,070
Uncollected interest receivable excluded from finance receivable	125		125			181
Disposal Group, Including Discontinued Operation, Assets	$ 27		$ 27			36
Financing Receivable, Threshold Period Past Due	31 days		31 days
Consumer Segment [Member]
Net Finance Receivables [Abstract]
Financing Receivable, before Allowance for Credit Loss	$ 72,943		$ 72,943			78,170
Financing Receivable, Allowance for Credit Loss	(947)	(1,251)	(947)	(1,251)	(1,022)	(1,245)	(1,211)	(496)
Non-Consumer Segment [Member]
Net Finance Receivables [Abstract]
Financing Receivable, before Allowance for Credit Loss	19,045		19,045			28,205
Financing Receivable, Allowance for Credit Loss	(37)	$ (63)	(37)	$ (63)	$ (39)	(60)	$ (74)	$ (17)
Retail Installment Loans [Member] | Consumer Segment [Member]
Net Finance Receivables [Abstract]
Financing Receivable, before Allowance for Credit Loss	68,385		68,385			73,726
Retail [Member] | Consumer Segment [Member]
Net Finance Receivables [Abstract]
Unearned interest supplements from Ford and affiliated companies	(3,086)		(3,086)			(3,987)
Financing Receivable, before Allowance for Credit Loss	72,943		72,943			78,170
Finance Receivable Before Unearned Interest Supplements	76,029		76,029			82,157
Finance leases [Member]
Net Finance Receivables [Abstract]
Finance leases, net	7,299		7,299			8,027
Finance leases [Member] | Consumer Segment [Member]
Net Finance Receivables [Abstract]
Financing Receivable, before Allowance for Credit Loss	7,644		7,644			8,431
Wholesale and Dealer Loans [Member] | Non-Consumer Segment [Member]
Net Finance Receivables [Abstract]
Financing Receivable, before Allowance for Credit Loss	17,424		17,424			26,517
Other Finance Receivables [Member] | Non-Consumer Segment [Member]
Net Finance Receivables [Abstract]
Financing Receivable, before Allowance for Credit Loss	1,621		1,621			1,688
Retail Installment loans, dealer financing, and other financing [Member]
Net Finance Receivables [Abstract]
Finance leases, net	83,705		83,705			97,043
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Net Finance Receivables [Abstract]
Finance leases, net	83,705		83,705			97,043
Fair value (b)	$ 85,085		$ 85,085			$ 98,630