Note 10 - Disaggregated Revenue - Geography (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Disaggregation Of Revenue [Line Items]
Total sales	[1]	$ 265	$ 267
Traditional Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	148	154
Digital Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	64	65
Advanced Materials and Chemicals [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	46	42
Brand [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	3	3
All Other [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	4	3
Canada [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	5	5
Canada [Member] | Traditional Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	2	3
Canada [Member] | Digital Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	3	2
North America [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	101	104
North America [Member] | Traditional Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	31	38
North America [Member] | Digital Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	30	30
North America [Member] | Advanced Materials and Chemicals [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	33	30
North America [Member] | Brand [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	3	3
North America [Member] | All Other [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	4	3
Europe, Middle East and Africa [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	90	95
Europe, Middle East and Africa [Member] | Traditional Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	68	68
Europe, Middle East and Africa [Member] | Digital Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	19	24
Europe, Middle East and Africa [Member] | Advanced Materials and Chemicals [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	3	3
Asia Pacific [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	66	58
Asia Pacific [Member] | Traditional Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	42	39
Asia Pacific [Member] | Digital Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	14	10
Asia Pacific [Member] | Advanced Materials and Chemicals [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	10	9
Latin America [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	8	10
Latin America [Member] | Traditional Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	7	9
Latin America [Member] | Digital Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	1	1
U.S. [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	96	99
U.S. [Member] | Traditional Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	29	35
U.S. [Member] | Digital Printing [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	27	28
U.S. [Member] | Advanced Materials and Chemicals [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	33	30
U.S. [Member] | Brand [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	3	3
U.S. [Member] | All Other [Member]
Disaggregation Of Revenue [Line Items]
Total sales	[1]	$ 4	$ 3

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