Note 6 - Other Income (Details Textual) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
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| Profit (Loss) from Real Estate Operations | [1] | $ 70 | $ 90 | $ 192 | $ 335 | |
| Real Estate Transaction [Member] | ||||||
| Profit (Loss) from Real Estate Operations | $ 107 | |||||
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