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Note 13 - Financial Instruments (Details Textual) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Current	$ 16	$ 46
Debt Instrument, Fair Value Disclosure	28,500	28,100
Fair Value of Total Debt Less of Carrying Value	4,100	5,200
Fair Value, Inputs, Level 2 [Member]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Current	$ 16	$ 46

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- References

No definition available.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity), classified as current.

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