Note 8 - Annual Maturities of Long-Term Debt and Capital Leases (Details) $ in Millions	Dec. 31, 2016 USD ($)
Annual Maturities Of Long Term Debt [Abstract]
2017	$ 5
2018	7
2019	393
2022 and thereafter	2
Total	407
2017	5
2018	7
2019	397
2022 and thereafter	2
Total	$ 411