Note 11 - Other (Income) Charges, Net (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other Income And Expenses [Abstract]
Change in fair value of embedded conversion features derivative liability	[1]	$ (14)		$ (36)
Loss on foreign exchange transactions		3	$ 1	4	$ 2
Other		2		3
Total		$ (9)	$ 1	$ (29)	$ 2

[1] Refer to Note 22, “Financial Instruments