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CASH, CASH EQUIVALENTS, AND MARKETABLE SECURITIES - Schedule of Sales Proceeds and Gross Realized Gains/Losses (Details) - Company excluding Ford Credit - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]      
Sales proceeds $ 6,150 $ 11,026 $ 3,140
Gross realized gains 24 17 2
Gross realized losses $ 5 $ 28 $ 37