Note 13 - Retirement Plans and Other Postretirement Benefits (Details Textual) - Kodak Retirement Income Plan [Member] $ in Millions				12 Months Ended
	May 31, 2023 USD ($)	Dec. 31, 2022	May 31, 2022 USD ($)	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2022
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease), Remeasurement	$ 38		$ (345)
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease), Change in Discount Rate	(9)		376
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease), Plan Amendment	29		28
Defined Benefit Plan, Plan Assets, Increase (Decrease), Remeasurement	(80)		(236)
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Change Due to Subsequent Interim Measurement, Weighted-Average Expected Long-Term Rate of Return on Plan Assets				7.50%	5.20%
Defined Benefit Plan, Funded Status, Increase (Decrease), Remeasurement	$ (118)		109
Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease), Other Assumptions			$ 3
Minimum [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate					9.00%	12.00%
Maximum [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate					10.00%	13.00%
Measurement Input, Discount Rate [Member]
Defined Benefit Plan, Measurement Input	5.08	5.13	4.16		2.54