Note 10 - Earnings Per Share - Reconciliation of the Numerators and Denominators of the Earnings Per Share Calculations (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Net loss from continuing operations	$ (37)	$ 13	$ (12)	$ (17)	$ (195)	$ (21)	$ (61)	$ (65)	$ (53)	$ (342)	$ (262)
Less: Noncontrolling interests net income from continuing operations									17	21	22
Less: Redeemable noncontrolling interest net loss from continuing operations										(13)	(12)
Net loss from continuing operations attributable to the parent company	$ (41)	$ 9	$ (16)	$ (22)	$ (199)	$ (28)	$ (61)	$ (62)	(70)	(350)	(272)
Net income from discontinued operations									155	293	310
Net income (loss) attributable to the parent company									$ 85	$ (57)	$ 38
Weighted-average common shares outstanding - Basic (in shares)	115.6	128.4	143.8	145.6	145.3	145.0	145.0	144.8	133.7	145.2	144.4
Weighted-average common shares outstanding - Diluted (in shares)	115.6	130.8	143.8	145.6	145.3	145.0	145.0	144.8	133.7	145.2	144.4