Note 7 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ 18	$ 42	$ 27	$ 70
Income Tax Expense (Benefit)	$ 5	$ 12	$ 6	$ 20
Effective Income Tax Rate Reconciliation, Percent	28.00%	29.00%	22.00%	29.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%	21.00%

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details