Note 16 - Other Comprehensive Loss - Changes in Other Comprehensive Loss, by Component (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Statement of Other Comprehensive Income [Abstract]
Currency translation adjustments		$ 6	$ (6)
Newly established net actuarial loss		(71)
Newly established net actuarial loss, net of tax		(71)
Amortization of prior service cost	[1]	3	3
Amortization of actuarial gains	[1]	(7)	(9)
Total reclassification adjustments		(4)	(6)
Reclassification adjustments, net of tax		(4)	(6)
Pension and other postretirement benefit plan changes, net of tax		(75)	(6)
Other comprehensive loss, net of tax		$ (69)	$ (12)

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