Note 7 - Summary of Other Long-term Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Other Long-term Liabilities [Line Items]
Workers compensation	$ 89	$ 84
Asset retirement obligations	41	48
Deferred brand licensing revenue	16	18
Deferred taxes	30	13
Environmental liabilities	9	10
Other	12	6
Total	206	231
Convertible Notes [Member]
Other Long-term Liabilities [Line Items]
Embedded conversion option derivative liability		$ 52
Preferred Stock [Member]
Other Long-term Liabilities [Line Items]
Embedded conversion option derivative liability	$ 9

Deferred brand licensing revenue current.

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Other long-term liabilities.

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