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Note 10 - Goodwill and Other Intangible Assets (Details) - Other Intangible Assets - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014
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Amortized intangible assets: |  |
Other intangible assets, gross | $ 971 | $ 713
Other intangible assets, accumulated amortization | 265 | 216
Other intangible assets, net | 706 | 497
Patents, Trademarks, and Trade Names [Member] |  |
Amortized intangible assets: |  |
Other intangible assets, gross | 350 | 302
Other intangible assets, accumulated amortization | 162 | 149
Other intangible assets, net | 188 | 153
Customer Lists and Other [Member] |  |
Amortized intangible assets: |  |
Other intangible assets, gross | 621 | 411
Other intangible assets, accumulated amortization | 103 | 67
Other intangible assets, net | $ 518 | $ 344

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