Note 12 - Other Comprehensive (Loss) Income (Details) - Changes in Other Comprehensive (Loss) Income, by Component (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Changes in Other Comprehensive (Loss) Income, by Component [Abstract]
Currency translation adjustments	$ (7)		$ 1
Unrealized gains on available-for-sale securities, before tax	1
Unrealized gains on available-for-sale securities, net of tax	1
Pension and other postretirement benefit plan changes
Newly established prior service credit	4
Newly established net actuarial gain	5
Newly established prior service credit and net actuarial gain, net of tax	9
Reclassification adjustments:
Amortization of prior-service credit	(2)	[1]
Total reclassification adjustments	(2)
Reclassification adjustments, net of tax	(2)
Pension and other postretirement benefit plan changes, net of tax	7
Other comprehensive income	$ 1		$ 1

[1] Reclassified to Total Net Periodic Benefit Cost.