Note 10 - Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Patents, Trademarks, and Trade Names [Member]
Amortized intangible assets:
Other intangible assets, gross	$ 367	$ 350
Other intangible assets, accumulated amortization	176	162
Other intangible assets, net	191	188
Customer Lists and Other [Member]
Amortized intangible assets:
Other intangible assets, gross	744	621
Other intangible assets, accumulated amortization	138	103
Other intangible assets, net	606	518
Other intangible assets, gross	1,111	971
Other intangible assets, accumulated amortization	314	265
Other intangible assets, net	$ 797	$ 706