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Note 13 - Financial Instruments (Details Textual) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Current	$ 46	$ 46
Debt Instrument, Fair Value Disclosure, Total	28,100	32,900
Fair Value of Total Debt Less of Carrying Value	5,200
Fair Value of Total Debt in Excess of Carrying Value		3,200
Fair Value, Inputs, Level 2 [Member] | Bank Time Deposits and Government Agency Securities [Member]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Current	$ 46	$ 46

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- Definition

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+ References

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- Definition

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+ References

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