Note 10 - Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Jun. 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	171	162
Other intangible assets, net	196	188
Customer Lists and Other [Member]
Amortized intangible assets:
Other intangible assets, gross	733	621
Other intangible assets, accumulated amortization	125	103
Other intangible assets, net	608	518
Other intangible assets, gross	1,100	971
Other intangible assets, accumulated amortization	296	265
Other intangible assets, net	$ 804	$ 706