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Note 20 - Equity Affiliates (Details Textual) - USD ($)
$ in Millions
Jul. 29, 2021
Mar. 01, 2021
Sep. 30, 2021
Jul. 07, 2021
Tai Ya Investment [Member]        
Equity Method Investment, Ownership Percentage     50.00% 50.00%
Equity Method Investments, Fair Value Disclosure       $ 4
Switch Mobility Limited [Member]        
Business Acquisition, Percentage of Voting Interests Acquired 1.00%      
Business Combination, Consideration Transferred, Total $ 18      
Pi Innovo Holdings Limited [Member]        
Business Acquisition, Percentage of Voting Interests Acquired   51.00%    
Business Combination, Consideration Transferred, Total   $ 35    
Business Combination, Step Acquisition, Equity Interest in Acquiree, including Subsequent Acquisition, Percentage, Total   100.00%