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Note 2 - Restructuring, Impairment and Other Charges (Details) - Restructuring, Impairment and Other Charges - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring:
Reserve	$ 44	$ 44	$ 42
Net charges/reversals		49	41
Non cash adjustments		(10)	(4)
Cash payments	(40)	(39)	(35)
Reserve		44	44
Impairment charges and disposal of long-lived assets		22	26
Total restructuring, impairment and other charges		71	67
Employee Severance [Member]
Restructuring:
Reserve	$ 44	36	38
Net charges/reversals		48	34
Non cash adjustments		(9)	(4)
Cash payments		(31)	(32)
Reserve		44	36
Other Restructuring [Member]
Restructuring:
Reserve		8	4
Net charges/reversals		1	7
Non cash adjustments		(1)
Cash payments		$ (8)	(3)
Reserve			$ 8

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of consideration other than cash used to fully or partially settle an accrued restructuring cost.

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The aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).

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