Cash, Cash Equivalents, and Marketable Securities Debt Securities in Unrealized Loss Position (Details) - Company excluding Ford Credit - Operating Segments - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 4,741	$ 3,603
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(29)	(5)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	6,710	7,771
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(196)	(269)
Debt Securities, Available-for-sale, Unrealized Loss Position	11,451	11,374
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(225)	(274)
U.S. government
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	1,285	619
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(12)	(2)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	2,289	2,735
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(41)	(64)
Debt Securities, Available-for-sale, Unrealized Loss Position	3,574	3,354
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(53)	(66)
U.S. government agencies
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	751	283
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(5)	(1)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,161	1,068
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(53)	(61)
Debt Securities, Available-for-sale, Unrealized Loss Position	1,912	1,351
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(58)	(62)
Non-U.S. government and agencies
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	313	67
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(3)	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,558	1,654
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(59)	(75)
Debt Securities, Available-for-sale, Unrealized Loss Position	1,871	1,721
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(62)	(75)
Corporate debt
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	2,275	2,608
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(8)	(2)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,585	2,192
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(41)	(65)
Debt Securities, Available-for-sale, Unrealized Loss Position	3,860	4,800
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(49)	(67)
Other marketable securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	117	26
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(1)	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	117	122
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(2)	(4)
Debt Securities, Available-for-sale, Unrealized Loss Position	234	148
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (3)	$ (4)