Goodwill and other intangible assets.

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- Definition

Interim impairment test.

+ References

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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Note 5 - Goodwill and Other Intangible Assets (Details Textual)	3 Months Ended		6 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Goodwill And Other Intangible Assets [Line Items]
Goodwill		$ 12,000,000			$ 12,000,000	$ 12,000,000	$ 12,000,000
Goodwill, Impairment Loss	$ 0		$ 0		0	0
Interim impairment test				$ 0
Amortization of Intangible Assets					5,000,000	7,000,000
Trade Names [Member]
Goodwill And Other Intangible Assets [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			$ 0		0
Other Operating (Income) Expense, Net [Member] \| Trade Names [Member]
Goodwill And Other Intangible Assets [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 3,000,000	4,000,000			$ 3,000,000
Digital Printing [Member]
Goodwill And Other Intangible Assets [Line Items]
Number of Reporting Units					3
Goodwill		6,000,000			$ 6,000,000	6,000,000	6,000,000
Goodwill, Impairment Loss						0
Advanced Materials and Chemicals [Member]
Goodwill And Other Intangible Assets [Line Items]
Number of Reporting Units					2
Goodwill		6,000,000				6,000,000	$ 6,000,000
Goodwill, Impairment Loss						0
Traditional Printing [Member]
Goodwill And Other Intangible Assets [Line Items]
Number of Reporting Units					1
Goodwill, Impairment Loss						0
Brand [Member]
Goodwill And Other Intangible Assets [Line Items]
Number of Reporting Units					1
Goodwill					$ 6,000,000
Goodwill, Impairment Loss						0
Brand, Film and Imaging [Member]
Goodwill And Other Intangible Assets [Line Items]
Goodwill		6,000,000				$ 6,000,000
Kodak Software [Member]
Goodwill And Other Intangible Assets [Line Items]
Number of Reporting Units						1
Goodwill		$ 6,000,000				$ 6,000,000