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Note 27 - Long-Lived Assets, By Geographical Areas (Details) (Parentheticals) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Schedule of Long Lived Assets by Geographical Areas [Line Items]    
Property, plant & equipment, net [1] $ 152 $ 181
Brazil [Member]    
Schedule of Long Lived Assets by Geographical Areas [Line Items]    
Property, plant & equipment, net $ 43 $ 56
[1] Long-lived assets are comprised of property, plant and equipment, net.