Note 13 - Financial Instruments - Derivative Liability Key Inputs in Determination of Fair Value for Embedded Conversion Features (Details) $ / shares in Units, $ in Millions	Dec. 31, 2023 USD ($) $ / shares	Jul. 21, 2023 USD ($) $ / shares	Dec. 31, 2022 USD ($) $ / shares	Feb. 26, 2021 USD ($)
Embedded conversion option derivative liabilities	$ 2		$ 4
Series B Preferred Stock [Member]
Embedded conversion option derivative liabilities				$ 1
Series C Preferred Stock [Member]
Embedded conversion option derivative liabilities				$ 2
Fair Value, Inputs, Level 3 [Member] | Series B Preferred Stock [Member]
Embedded conversion option derivative liabilities	$ 1		$ 1
Kodak's closing stock price (in dollars per share) | $ / shares	$ 3.9		$ 3.05
Fair Value, Inputs, Level 3 [Member] | Series B Preferred Stock [Member] | Measurement Input, Price Volatility [Member]
Alternative Investment, Measurement Input	0.60		0.50
Fair Value, Inputs, Level 3 [Member] | Series B Preferred Stock [Member] | Measurement Input, Risk Free Interest Rate [Member]
Alternative Investment, Measurement Input	0.0414		0.0417
Fair Value, Inputs, Level 3 [Member] | Series B Preferred Stock [Member] | Measurement Input, Credit Spread [Member]
Alternative Investment, Measurement Input	0.1834		0.2719
Fair Value, Inputs, Level 3 [Member] | Series C Preferred Stock [Member]
Embedded conversion option derivative liabilities	$ 1		$ 1
Kodak's closing stock price (in dollars per share) | $ / shares	$ 3.9		$ 3.05
Fair Value, Inputs, Level 3 [Member] | Series C Preferred Stock [Member] | Measurement Input, Price Volatility [Member]
Alternative Investment, Measurement Input	0.60		0.50
Fair Value, Inputs, Level 3 [Member] | Series C Preferred Stock [Member] | Measurement Input, Risk Free Interest Rate [Member]
Alternative Investment, Measurement Input	0.0414		0.0417
Fair Value, Inputs, Level 3 [Member] | Series C Preferred Stock [Member] | Measurement Input, Credit Spread [Member]
Alternative Investment, Measurement Input	0.2034		0.2919
Fair Value, Inputs, Level 3 [Member] | Two Thousand Twenty One Convertible Notes [Member]
Embedded conversion option derivative liabilities		$ 5	$ 2
Kodak's closing stock price (in dollars per share) | $ / shares		$ 5.26	$ 3.05
Fair Value, Inputs, Level 3 [Member] | Two Thousand Twenty One Convertible Notes [Member] | Measurement Input, Price Volatility [Member]
Alternative Investment, Measurement Input		0.60	0.50
Fair Value, Inputs, Level 3 [Member] | Two Thousand Twenty One Convertible Notes [Member] | Measurement Input, Risk Free Interest Rate [Member]
Alternative Investment, Measurement Input		0.045	0.0417
Fair Value, Inputs, Level 3 [Member] | Two Thousand Twenty One Convertible Notes [Member] | Measurement Input, Credit Spread [Member]
Alternative Investment, Measurement Input		0.1775	0.2619