Note 6 - Income Taxes - Net Deferred Tax Assets (Details) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets		$ 1,153	$ 1,073
Other liabilities		(218)	(243)
Net deferred tax assets	[1]	$ 935	$ 830

[1] The Company also has Luxembourg deferred tax asset net operating losses of up to $3.1 billion that have a remote possibility of realization and therefore, are not recognized in the deferred tax table above.