Note 17 - Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
U.S. federal income tax rate, amount	$ 37	$ (7)	$ 51
U.S. federal income tax rate, percent	21.00%	21.00%	21.00%
State & local income taxes, net of federal benefit, amount	$ (5)	$ (6)
State & local income taxes, net of federal benefit, percent	(3.00%)	19.00%
Non-US income / expense, amount	$ 35	$ (2)	$ 15
Non-US income / expense, percent	20.00%	7.00%	6.00%
Credits & tax incentives, amount	$ 9	$ (27)	$ 1
Credits & tax incentives, percent	5.00%	87.00%
US foreign derived intangible income, amount			$ (1)
US foreign derived intangible income, percent
US tax & withholding tax on non-US earnings, amount	$ 41	$ 42	$ 14
US tax & withholding tax on non-US earnings, percent	23.00%	(135.00%)	6.00%
Intercompany sale of certain operating assets, amount	$ (54)	$ (1)	$ (1)
Intercompany sale of certain operating assets, percent	(30.00%)	3.00%
Settlement and return adjustments, amount	$ 23	$ (7)	$ 5
Settlement and return adjustments, percent	13.00%	23.00%	2.00%
Enacted change in tax rates, amount		$ (4)	$ (5)
Enacted change in tax rates, percent		13.00%	(2.00%)
Goodwill impairment, amount		$ 47
Goodwill impairment, percentage		(151.00%)
Miscellaneous items, amount	$ 7	$ (6)	$ (7)
Miscellaneous items, percent	4.00%	19.00%	(3.00%)
Valuation allowance adjustments, amount	$ 28	$ 255
Valuation allowance adjustments, percent	15.00%	(822.00%)
Total expense	$ 121	$ 284	$ 72
Effective income tax rate, percent	68.00%	(916.00%)	30.00%

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