Note 11 - Other (Income) Charges, Net (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Other Income And Expenses [Abstract]
Change in fair value of embedded conversion features derivative liability	[1]	$ (6)		$ (42)
Loss on foreign exchange transactions		2	$ 1	7	$ 3
Other				2
Total		$ (4)	$ 1	$ (33)	$ 3

[1] Refer to Note 22, “Financial Instruments”.