Note 1 - Basis of Presentation - Property and Equipment (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Property and equipment, gross	$ 1,801	$ 1,754
Accumulated depreciation	(620)	(589)
Total property and equipment, net	1,181	1,165
Land [Member]
Property and equipment, gross	277	277
Building and Building Improvements [Member]
Property and equipment, gross	$ 454	453
Building and Building Improvements [Member] \| Minimum [Member]
Estimated Useful Lives (Year)	7 years
Building and Building Improvements [Member] \| Maximum [Member]
Estimated Useful Lives (Year)	40 years
Equipment [Member]
Property and equipment, gross	$ 970	961
Equipment [Member] \| Minimum [Member]
Estimated Useful Lives (Year)	3 years
Equipment [Member] \| Maximum [Member]
Estimated Useful Lives (Year)	20 years
Construction in Progress [Member]
Property and equipment, gross	$ 100	$ 63

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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