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Note 13 - Hedging Activities - Effect on Consolidated Financial Statements (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Interest Rate Hedges [Member] | Cash Flow Hedging [Member] | Sales [Member] |  |  |  |  |
Gain/(loss) recognized in other comprehensive income (OCI) |  |  | $ 6 |  | $ (7)
Gain reclassified from accumulated OCI into income (effective) | [1] |  | 5 | 1 | 10
Interest Rate Hedges [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member] |  |  |  |  |
Gain reclassified from accumulated OCI into income (effective) | [1] | (9) | 4 | (14) | 6
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member] |  |  |  |  |
Gain/(loss) recognized in other comprehensive income (OCI) |  | (35) | 7 | (63) | 34
Gain reclassified from accumulated OCI into income (effective) | [1] |  |  |  |
Cash Flow Hedging [Member] |  |  |  |  |
Gain/(loss) recognized in other comprehensive income (OCI) |  | (35) | 13 | (63) | 27
Gain reclassified from accumulated OCI into income (effective) | [1] | (9) | 9 | (13) | 16
Gain/(loss) recognized in other comprehensive income (OCI) |  |  |  |  |
[1] | The amount of hedge ineffectiveness at June 30, 2016 and 2015 was insignificant.

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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624177-113959 + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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