Retirement Benefits - Changes in Level 3 Pension Benefit Plan Assets Measured at Fair Value on a Recurring Basis (Details) - Pension Plan - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	$ 29,502	$ 31,423	$ 32,922
Fair Value at January 1	21	9
Attributable to Assets Held at December 31	0	(6)
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Attributable To Assets Sold	3	0
Net Purchases/ (Settlements)	4	9
Transfers Into/(Out of) Level 3	1	9
Fair Value at December 31	29	21
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	21,751	22,958	$ 21,344
Fair Value at January 1	4,138	3,809
Attributable to Assets Held at December 31	(387)	44
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Attributable To Assets Sold	(16)	(8)
Net Purchases/ (Settlements)	(2)	410
Transfers Into/(Out of) Level 3	(168)	(117)
Fair Value at December 31	3,565	4,138
Non-U.S. Plans | Ford Werke GmbH
Defined Benefit Plan Disclosure [Line Items]
Fair Value at January 1	3,000
Fair Value at December 31		3,000
Non-U.S. Plans | Ford Werke GmbH and Other
Defined Benefit Plan Disclosure [Line Items]
Fair Value at December 31	2,700
Fair Value, Inputs, Level 1 | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	6,417	6,155
Fair Value, Inputs, Level 1 | Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	3,747	1,722
Fair Value Measured at Net Asset Value Per Share | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	5,875	6,102
Fair Value Measured at Net Asset Value Per Share | Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	$ 1,519	$ 1,764