Note 10 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Optical Communications [Member]
Business Combination, Consideration Transferred			$ 296
Optical Communications [Member]
Goodwill, Impaired, Accumulated Impairment Loss	$ 6,500		6,500		$ 6,500
Goodwill, Gross	8,100		8,100		$ 7,900
Finite-lived Intangible Assets Acquired			117
Finite Lived Intangible Assets, Foreign Currency Translation Gain (Loss)			10
Amortization of Intangible Assets	15	$ 16	29	$ 28
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	67		67
Finite-Lived Intangible Assets, Amortization Expense, Year Two	72		72
Finite-Lived Intangible Assets, Amortization Expense, Year Three	72		72
Finite-Lived Intangible Assets, Amortization Expense, Year Four	72		72
Finite-Lived Intangible Assets, Amortization Expense, Year Five	67		67
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	$ 67		$ 67