Note 20 - Derivative Liability Key Inputs in Determination of Fair Value for Embedded Conversion Features (Details) - Fair Value, Inputs, Level 3 [Member] $ / shares in Units, $ in Millions	Mar. 31, 2021 USD ($) $ / shares	Mar. 30, 2021 USD ($) $ / shares	Feb. 26, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($) $ / shares
Series C Preferred Stock [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total value of embedded derivative liability | $	$ 2	$ 1	$ 1
Kodak's closing stock price | $ / shares	$ 7.87	$ 8.05	$ 8.62
Series A Preferred Stock [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total value of embedded derivative liability | $			$ 11	$ 9
Kodak's closing stock price | $ / shares			$ 8.62	$ 8.14
Expected stock price volatility [Member] | Series C Preferred Stock [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage	70.00	70.00	70.00
Expected stock price volatility [Member] | Series A Preferred Stock [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage			137.53	133.44
Risk Free Rate [Member] | Series C Preferred Stock [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage	0.96	0.94	0.80
Risk Free Rate [Member] | Series A Preferred Stock [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage			0.07	0.10
Implied Credit Spread [Member] | Series C Preferred Stock [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage	21.75	21.75	21.75
Implied Credit Spread [Member] | Series A Preferred Stock [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage			14.02	11.97
Convertible Notes [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total value of embedded derivative liability | $	$ 11		$ 12
Kodak's closing stock price | $ / shares	$ 7.87		$ 8.62
Convertible Notes [Member] | Expected stock price volatility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage	70.00		70.00
Convertible Notes [Member] | Risk Free Rate [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage	0.96		0.80
Convertible Notes [Member] | Implied Credit Spread [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage	18.25		18.25
Series B Preferred Stock [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total value of embedded derivative liability | $	$ 1		$ 1
Kodak's closing stock price | $ / shares	$ 7.87		$ 8.62
Series B Preferred Stock [Member] | Expected stock price volatility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage	70.00		70.00
Series B Preferred Stock [Member] | Risk Free Rate [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage	0.96		0.80
Series B Preferred Stock [Member] | Implied Credit Spread [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Alternate measurement input percentage	19.75		19.75