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Note 4 - Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Intangible Assets Other Than Goodwill [Table Text Block] |
|  |  |  |  |  | September 30, 2025 |  |  | December 31, 2024 |
|  | Weighted Average Useful Life (years) |  |  | Gross Carrying Amount |  |  | Accumulated Impairment and Amortization |  |  | Net Carrying Amount |  |  | Gross Carrying Amount |  |  | Accumulated Impairment and Amortization |  |  | Net Carrying Amount |
Amortizable intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Core technology |  |  | 10 |  |  | $ | 50 |  |  | $ | (30 | ) |  | $ | 20 |  |  | $ | 47 |  |  | $ | (25 | ) |  | $ | 22 |
Trademarks and trade names |  |  | 16 |  |  |  | 3 |  |  |  | (3 | ) |  |  |  |  |  |  | 2 |  |  |  | (2 | ) |  |  |  |
Customer relationships |  |  | 10 |  |  |  | 66 |  |  |  | (51 | ) |  |  | 15 |  |  |  | 65 |  |  |  | (45 | ) |  |  | 20 |
Non-amortizable intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trademarks and trade names |  |  |  |  |  |  | 39 |  |  |  |  |  |  |  | 39 |  |  |  | 38 |  |  |  |  |  |  |  | 38 |
|  |  |  |  |  | $ | 158 |  |  | $ | (84 | ) |  | $ | 74 |  |  | $ | 152 |  |  | $ | (72 | ) |  | $ | 80 |
Schedule of Intangible Assets, Excluding Goodwill, by Segment [Table Text Block] |
|  | September 30, 2025 |
Light Vehicle |  | $ | 9 |
Commercial Vehicle |  |  | 65 |
|  | $ | 74 |
Finite-Lived Intangible Assets Amortization Expense [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Charged to cost of sales |  | $ | 1 |  |  | $ | 1 |  |  | $ | 3 |  |  | $ | 4 |
Charged to amortization of intangibles |  |  | 2 |  |  |  | 2 |  |  |  | 6 |  |  |  | 6 |
Total amortization |  | $ | 3 |  |  | $ | 3 |  |  | $ | 9 |  |  | $ | 10 |

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