Note 23 - Discontinued Operations for Flexographic Packaging Segment (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019		Jun. 30, 2020	Jun. 30, 2019
Discontinued Operations [Line Items]
Revenues	$ 213	$ 307	[1]	$ 480	$ 598
Cost of revenues	192	265		423	516
Selling, general and administrative expenses	34	54		82	113
Research and development costs	8	11		17	22
Interest expense	4	5		8	8
Provision for income taxes	$ 1	2		$ 166	5
Income from discontinued operations		207			201
Flexographic Packaging Segment [Member]
Discontinued Operations [Line Items]
Revenues		5			44
Cost of revenues		2			28
Selling, general and administrative expenses		2			10
Research and development costs					2
Interest expense					7
Gain on divestiture		(210)			(210)
Income from discontinued operations before taxes		211			207
Provision for income taxes		4			6
Income from discontinued operations		$ 207			$ 201

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