Note 11 - Leases - Summary of Undiscounted Cash Flows to Be Paid for Leases (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
2023, operating leases	$ 20
2023, finance leases	0
2024, operating leases	12
2024, finance leases	1
2025, operating leases	7
2025, finance leases	0
2026, operating leases	6
2026, finance leases	0
2027, operating leases	5
2027, finance leases	0
Thereafter, operating leases	18
Thereafter, finance leases	0
Total minimum lease payments, operating leases	68
Total minimum lease payments, finance leases	1
Less: amount of lease payments representing interest, operating leases	(22)
Less: amount of lease payments representing interest, finance leases	0
Present value of future minimum lease payments, operating leases	46
Less: current obligations under leases, operating leases	15	$ 13
Long-term lease obligations, operating leases	31	45
Long-term lease obligations, finance leases	1	1
Long-term and Short-term Debt [Member]
Present value of future minimum lease payments, finance leases	1
Short-term Borrowings and Current Portion of Long-term Debt [Member]
Less: current obligations under leases, finance leases	0
Long-term Debt, Net of Current Portion [Member]
Long-term lease obligations, finance leases	$ 1	$ 1