Note 24 - Discontinued Operations for Flexographic Packaging Segment (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Discontinued Operations [Line Items]
Revenues	[1]	$ 252	$ 315	$ 732	$ 913
Cost of revenues		221	262	644	778
Selling, general and administrative expenses		56	48	138	161
Research and development costs		8	11	25	33
Interest expense		3	4	11	12
Provision for income taxes		$ 1	7	$ 167	12
Income from discontinued operations			5		206
Flexographic Packaging Segment [Member]
Discontinued Operations [Line Items]
Revenues					44
Cost of revenues					28
Selling, general and administrative expenses					10
Research and development costs					2
Interest expense					7
Gain on divestiture			(4)		(214)
Income from discontinued operations before taxes			4		211
Provision for income taxes			(1)		5
Income from discontinued operations			$ 5		$ 206

[1] Sales are reported in the geographic area in which they originate.