Note 16 - Other (Income) Charges, Net (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017
Other Income And Expenses [Abstract]
Loss on foreign exchange transactions		$ 16	$ 9
Change in fair value of embedded conversion features derivative liability	[1]		(47)
Interest income			(4)
Other		1	5
Total		$ 17	$ (37)

[1] Refer to Note 13, “Financial Instruments”.