Note 14 - Disaggregated Revenue - Schedule of Contract Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Disaggregation Of Revenue [Line Items]
Deferred revenue and customer deposits	$ 43	$ 46
Total	57	64
Current Assets [Member]
Disaggregation Of Revenue [Line Items]
Contract assets	3	2
Current Liabilities [Member]
Disaggregation Of Revenue [Line Items]
Deferred revenue and customer deposits	43	47
Long-Term Liabilities [Member]
Disaggregation Of Revenue [Line Items]
Contract liabilities - long-term	$ 14	$ 17