Note 12 - Other Comprehensive Loss (Details) - Changes in Other Comprehensive (Loss) Income, by Component - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2015		Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
Changes in Other Comprehensive (Loss) Income, by Component [Abstract]
Currency translation adjustments		$ (23)		$ (17)	$ (27)		$ (10)
Unrealized (losses) gains on available-for-sale securities, before tax				(1)	(1)
Unrealized (losses) gains on available-for-sale securities, net of tax				(1)	(1)
Pension and other postretirement benefit plan changes
Newly established prior service credit				61	4		61
Newly established net actuarial (loss) gain		(1)		(80)	4		(96)
Tax benefit							(1)
Newly established prior service credit and net actuarial (loss) gain, net of tax		(1)		(19)	8		(34)
Reclassification adjustments:
Amortization of prior service credit		$ (2)	[1]	(1)	(6)	[1]	(1)
Amortization of actuarial gains	[1]				(1)
Total reclassification adjustments		$ (2)		(1)	(7)		(1)
Tax provision					1
Reclassification adjustments, net of tax		(2)		(1)	(6)		(1)
Pension and other postretirement benefit plan changes, net of tax		(3)		(20)	2		(35)
Other comprehensive loss		$ (26)		$ (38)	$ (26)		$ (45)

[1] Reclassified to Total Net Periodic Benefit Cost - refer to Note 9, "Retirement Plans and Other Postretirement Benefits" for additional information.