Note 18 - Changes in Other Comprehensive (Loss), by Component (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]
Currency translation adjustments		$ (12)	$ (5)	$ (19)	$ 9
Newly established net actuarial gain (loss)		7	(1)	8	(2)
Tax benefit		(2)		(2)
Newly established net actuarial gain (loss), net of tax		5	(1)	6	(2)
Amortization of prior service credit	[1]	(2)	(2)	(6)	(6)
Amortization of actuarial (gains) losses	[1]	1	(1)	3	(2)
Recognition of losses due to settlement		(2)		(1)
Total reclassification adjustments		(3)	(3)	(4)	(8)
Tax provision		1	1	1	1
Reclassification adjustments, net of tax		(2)	(2)	(3)	(7)
Pension and other postretirement benefit plan changes, net of tax		3	(3)	3	$ (9)
Other comprehensive loss, net of tax		$ (9)	$ (8)	$ (16)

[1] Reclassified to Total Net Periodic Benefit Cost - refer to Note 14, "Retirement Plans and Other Postretirement Benefits".