Note 2 - Restructuring, Impairment and Other Charges (Details) - Year-to-date Cost for Reportable Segments $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring, impairment and other charges	$ 80
Display Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, impairment and other charges	4
Optical Communications [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, impairment and other charges	6
Environmental Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, impairment and other charges	5
Specialty Materials [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, impairment and other charges	12
Life Sciences [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, impairment and other charges	3
Other Segments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, impairment and other charges	42
Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, impairment and other charges	$ 8