Note 9 - Revenue 1 (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Contract with Customer, Liability	$ 91		$ 92
Contract with Customer, Liability, Revenue Recognized	19	$ 21
Contract with Customer, Cash Payments Received for Liabilities That Have Been Deferred	18	$ 18
Revenue, Remaining Performance Obligation, Amount	91
Other Current Assets [Member]
Contract with Customer, Asset, after Allowance for Credit Loss, Current	5		5
Other Current Liabilities [Member]
Contract with Customer, Liability	35		35
Other Noncurrent Liabilities [Member]
Contract with Customer, Liability	$ 56		$ 57