Note 1 - Organization and Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Cost of Goods and Services Sold, Total	$ 2,403		$ 1,953	$ 4,686	$ 3,965
Intercompany Inventory Transfers Not Appropriately Elimated [Member] | Revision of Prior Period, Error Correction, Adjustment [Member]
Cost of Goods and Services Sold, Total		$ 8