Note 10 - Leases - Summary of Undiscounted Cash Flows to Be Paid for Leases (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Lessee, Lease, Description [Line Items]
2025, operating leases	$ 14
2025, finance leases	0
2026, operating leases	8
2026, finance leases	1
2027, operating leases	6
2027, finance leases	0
2028, operating leases	5
2028, finance leases	0
2029, operating leases	4
2029, finance leases	0
Thereafter, operating leases	9
Thereafter, finance leases	0
Total minimum lease payments, operating leases	46
Total minimum lease payments, finance leases	1
Less: amount of lease payments representing interest, operating leases	(14)
Less: amount of lease payments representing interest, finance leases	0
Present value of future minimum lease payments, operating leases	32
Present value of future minimum lease payments, finance leases	$ 1
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Long-term and Short-term Debt [Member]
Less: current obligations under leases, operating leases	$ 11	$ 13
Less: current obligations under leases, finance leases	$ 0
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Short-term borrowings and current portion of long-term debt
Long-term lease obligations, operating leases	$ 21	24
Long-term lease obligations, finance leases	$ 1	$ 1