Note 9 - Leases - Operating Lease Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Fixed lease revenue	$ 22	$ 22	$ 8
Variable lease revenue	$ 15	$ 15	$ 15
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Miscellaneous (expense) income, net	Miscellaneous (expense) income, net	Miscellaneous (expense) income, net
Total operating lease revenue	$ 37	$ 37	$ 23