Note 1 - Basis of Presentation - Property and Equipment (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Property and equipment, gross	$ 2,538	$ 2,512
Accumulated depreciation	(1,034)	(1,003)
Total property and equipment, net	1,504	1,509
Land [Member]
Property and equipment, gross	393	391
Building and Building Improvements [Member]
Property and equipment, gross	$ 951	940
Building and Building Improvements [Member] | Minimum [Member]
Property and equipment, gross (Year)	7 years
Building and Building Improvements [Member] | Maximum [Member]
Property and equipment, gross (Year)	40 years
Equipment [Member]
Property and equipment, gross	$ 1,161	1,149
Equipment [Member] | Minimum [Member]
Property and equipment, gross (Year)	3 years
Equipment [Member] | Maximum [Member]
Property and equipment, gross (Year)	20 years
Construction in Progress [Member]
Property and equipment, gross	$ 33	$ 32