Note 16 - Other Comprehensive Loss - Changes in Other Comprehensive Loss, by Component (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Other Comprehensive Income [Abstract]
Currency translation adjustments		$ 7	$ (6)	$ 13	$ (12)
Newly established net actuarial loss		(15)		(86)
Newly established net actuarial loss, net of tax		(15)		(86)
Amortization of prior service cost	[1]	2	3	5	6
Amortization of actuarial gains	[1]		(10)	(7)	(19)
Total reclassification adjustments		2	(7)	(2)	(13)
Reclassification adjustments, net of tax		2	(7)	(2)	(13)
Pension and other postretirement benefit plan changes, net of tax		(13)	(7)	(88)	(13)
Other comprehensive loss, net of tax		$ (6)	$ (13)	$ (75)	$ (25)

[1] Reclassified to Total Net Periodic Benefit Cost - refer to Note 13, "Retirement Plans and Other Postretirement Benefits".