Note 12 - Debt - Debt Maturities (Details) $ in Millions	Dec. 31, 2016 USD ($)
Long-term debt, due 2017	$ 256
Long-term debt, due 2018	379	[1]
Long-term debt, due 2019	254	[1]
Long-term debt, due 2020	305	[1]
Long-term debt, due 2021	67	[1]
Long-term debt, due after 2021	$ 2,655	[1]

[1] Excludes interest rate swap gains and bond discounts.