Note 8 - Income Taxes - Current and Deferred Amounts of Provision (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Federal	$ (172)	$ 88	$ (82)
State and municipal	(13)	(16)	(12)
Foreign	(290)	(203)	(354)
Federal	(97)	7	64
State and municipal	(7)	3	13
Foreign	88	10	115
Provision for income taxes	$ (491)	$ (111)	$ (256)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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