Note 6 - Income Taxes - Current and Deferred Amounts of Provision (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Federal	$ (82)	$ (191)	$ (172)
State and municipal	(13)	(16)	(13)
Foreign	(148)	(250)	(290)
Federal	76	52	(97)
State and municipal	7	8	(7)
Foreign	(8)	(14)	88
Provision for income taxes	$ (168)	$ (411)	$ (491)

Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction.

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Amount of current state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction.

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Amount of deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred national tax expense (benefit) for non-US (United States of America) jurisdiction.

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