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Note 6 - Long-term Debt - Components of Long-term Debt (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Long-term debt $ 325 $ 383
Less: Current portion (2) (4)
Long-term Debt, Excluding Current Maturities, Total 323 379
Global ABL Facility [Member]    
Long-term debt 28 0
Secured Debt [Member]    
Long-term debt $ 297 $ 383