Note 5 - Fair Value Measurement (Details Textual) - USD ($) $ in Billions	Mar. 31, 2026	Dec. 31, 2025
Long-Term Debt	$ 5.7	$ 5.7
Long-Term Debt, Fair Value	$ 5.4	$ 5.5

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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+ Details

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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+ Details