Note 10 - Goodwill and Other Intangible Assets - Carrying Amount of Goodwill (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020
Balance		$ 2,460	$ 1,935
Acquired goodwill (1)	[1]		495
Foreign currency translation adjustment and other		(39)	30
Balance		2,421	2,460
Display Technologies [Member]
Balance		132	129
Foreign currency translation adjustment and other		(7)	3
Balance		125	132
Optical Communications [Member]
Balance		943	931
Foreign currency translation adjustment and other		(28)	12
Balance		915	943
Specialty Materials [Member]
Balance		150	150
Balance		150	150
Life Science Products [Member]
Balance		618	616
Foreign currency translation adjustment and other		(2)	2
Balance		616	618
Segments All Other Member [Member]
Balance		617	109
Acquired goodwill (1)	[1]		495
Foreign currency translation adjustment and other		(2)	13
Balance		$ 615	$ 617

[1] The Company obtained a controlling interest in HSG during the third quarter of 2020. Refer to Note 4 (HSG Transactions and Acquisitions) to the consolidated financial statements for additional information on this transaction.