Note 13 - Employee Retirement Plans (Details) - Estimated Future Benefit Payments and Gross Medicare to be Received $ in Millions	Dec. 31, 2015 USD ($)
United States Pension Plan of US Entity [Member]
Note 13 - Employee Retirement Plans (Details) - Estimated Future Benefit Payments and Gross Medicare to be Received [Line Items]
2016	$ 192
2017	178
2018	186
2019	192
2020	198
2021-2025	1,100
Foreign Pension Plan [Member]
Note 13 - Employee Retirement Plans (Details) - Estimated Future Benefit Payments and Gross Medicare to be Received [Line Items]
2016	18
2017	22
2018	24
2019	25
2020	29
2021-2025	168
Other Postretirement Benefit Plan [Member]
Note 13 - Employee Retirement Plans (Details) - Estimated Future Benefit Payments and Gross Medicare to be Received [Line Items]
2016	45
2016	2
2017	44
2017	3
2018	44
2018	3
2019	44
2019	3
2020	46
2020	3
2021-2025	230
2021-2025	$ 16

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Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of benefits from a defined benefit plan expected to be paid in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of benefits from a defined benefit plan expected to be paid in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of the prescription drug subsidy receipts to be received after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 60
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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