Note 6 - Income Taxes (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017
US Profits Required to Realize Deferred Tax Assets	$ 5,600
Future US Profit Required Realizing Deferred Tax Assets Related to General Business Credits	$ 116
Period to Recognize US Deferred Tax Assets Related to General Business Credits	20 years
Future Foreign Sourced Income Required Realizing Deferred Tax Assets	$ 2,800
Period to Recognize Deferred Tax Assets Associated With Foreign Tax Credits	10 years
Deferred Tax Assets, Valuation Allowance	$ 270	$ 238
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	4	245
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 92	102
Percentage of United States Subsidiaries Join in Filing of Consolidated United States Federal Income Tax Returns	80.00%
Undistributed Earnings of Foreign Subsidiaries	$ 12,600
Foreign Tax Authority [Member] | National Tax Agency, Japan [Member] | Tax Year 2009 [Member]
Open Tax Year	2009
Foreign Tax Authority [Member] | National Tax Agency, Japan [Member] | Tax Year 2015 and Onward [Member]
Open Tax Year	2015
Foreign Tax Authority [Member] | National Tax Administration of Taiwan [Member] | Earliest Tax Year [Member]
Open Tax Year	2015
Foreign Tax Authority [Member] | National Tax Service of Korea [Member] | Earliest Tax Year [Member]
Open Tax Year	2015
Minimum [Member]
US Statutes of Limitations Period	3 years
Foreign Statutes of Limitations Period	3 years
Maximum [Member]
US Statutes of Limitations Period	5 years
Foreign Statutes of Limitations Period	7 years
Gross Transfer Pricing Adjustments [Member]
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions		221
Out of Period Transfer Pricing Adjustments [Member]
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions		$ 31
Accounting Standards Update 2016-09 [Member] | Scenario, Forecast [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption			$ 233