Note 8 - Debt and Capital Leases and Related Maturities and Interest Rates (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Carrying Value	$ 407	$ 685
Current Portion, Long-term Debt [Member]
Debt Instrument [Line Items]
Carrying Value	5	6
Long-term Debt [Member]
Debt Instrument [Line Items]
Carrying Value	$ 402	679
Term Note [Member] | Current Portion, Long-term Debt [Member]
Debt Instrument [Line Items]
Maturity	2017
Weighted-Average Effective Interest Rate	7.59%
Carrying Value	$ 2	4
Capital Leases [Member] | Current Portion, Long-term Debt [Member]
Debt Instrument [Line Items]
Carrying Value	3	2
Capital Leases [Member] | Long-term Debt [Member]
Debt Instrument [Line Items]
Carrying Value	$ 6	6
Term Note 7.56% [Member] | Long-term Debt [Member]
Debt Instrument [Line Items]
Maturity	2019
Weighted-Average Effective Interest Rate	7.59%
Carrying Value	$ 396	400
Term Note 11.04% [Member] | Long-term Debt [Member]
Debt Instrument [Line Items]
Maturity	2020
Weighted-Average Effective Interest Rate	11.04%
Carrying Value		270
VIE Term Loan [Member] | Long-term Debt [Member]
Debt Instrument [Line Items]
Maturity	2035
Weighted-Average Effective Interest Rate	6.07%
Carrying Value		$ 3