Note 15 - Other Comprehensive Loss - Changes in Other Comprehensive Income (Loss), by Component (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Currency translation adjustments		$ (6)	$ (1)
Amortization of prior service cost (1)	[1]	3	1
Amortization of actuarial gains (1)	[1]	(9)	(7)
Total reclassification adjustments		(6)	(6)
Tax provision		0	0
Reclassification adjustments, net of tax		(6)	(6)
Pension and other postretirement benefit plan changes, net of tax		(6)	(6)
Other comprehensive loss, net of tax		$ (12)	$ (7)

[1] Reclassified to Total Net Periodic Benefit Cost - refer to Note 12, "Retirement Plans and Other Postretirement Benefits".