Note 9 - Debt and Finance Leases (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Debt And Capital Lease Obligations [Table Text Block]

			Weighted-Average	As of December 31,
			Effective	2022		2021
(in millions)	Type	Maturity	Interest Rate	Carrying Value		Carrying Value
Current portion:
	RED-Rochester, LLC		11.45%	$	1	$	1
					1		1
Non-current portion:
	Term notes	2026	13.74%		286		224
	Convertible debt	2026	17.24%		18		15
	RED-Rochester, LLC	2033	11.45%		11		12
	Finance leases	Various	Various		1		1
	Other debt	Various	Various		—		1
					316		253
				$	317	$	254

Schedule of Maturities of Debt and Finance Leases Outstanding [Table Text Block]

	Carrying		Maturity
(in millions)	Value		Value
2023	$	1	$	1
2024		2		2
2025		1		1
2026		304		366
2027		1		1
2028 and thereafter		8		8
Total	$	317	$	379

Schedule of Extinguishment of Debt [Table Text Block]

(in millions)
Fair value of Initial Conversion Shares	$	506
Fair value of Mandatory Conversion Shares		13
Carrying value of 2019 Convertible Notes		(92	)
Fair value of pro-rata share of embedded derivatives at Initial Conversion Date		(416	)
Fair value of pro-rata share of embedded derivatives at Mandatory Conversion Date		(9	)
Total	$	2