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Note 21 - Revenues and (Loss) Gain from Continuing Operations (Details) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Continuing Operations [Member] | MIR Bidco, SA [Member] | Other Operating Income, Net [Member]    
Segment Reporting Information [Line Items]    
Income from transition services agreement with purchaser $ 2 $ 2