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Note 14 - Commitments, Contingencies, and Guarantees (Details) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Note 14 - Commitments, Contingencies, and Guarantees (Details) [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 184
Liability for Uncertain Tax Positions, Current	58
Operating Leases, Rent Expense	$ 94	$ 92	$ 85
Number of Hazardous Waste Sites	17
Environmental Cleanup And Related Litigation [Member]
Note 14 - Commitments, Contingencies, and Guarantees (Details) [Line Items]
Accrual for Environmental Loss Contingencies	$ 37	$ 43
Standby Letters of Credit [Member]
Note 14 - Commitments, Contingencies, and Guarantees (Details) [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	47
Standby Letters of Credit [Member] | Other Current Liabilities [Member]
Note 14 - Commitments, Contingencies, and Guarantees (Details) [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 38

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The number of active hazardous waste sites for which the entity is responsible.

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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