Note 9 - Pension and Postretirement Benefit Plans - Components of Net Periodic Benefit Cost (Credit) and Other Amounts Recognized in OCI (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
UNITED STATES | Pension Plan [Member]
Interest cost	$ 7	$ 4
Expected return on plan assets	(8)	(7)
Amortization of net actuarial loss	2	2
Net periodic benefit cost (credit)	1	(1)
Foreign Plan [Member] | Pension Plan [Member]
Interest cost	3	2
Expected return on plan assets	(1)	(1)
Service cost	1	2
Amortization of net actuarial loss		1
Net periodic benefit cost (credit)	3	4
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]
Interest cost	1	0
Expected return on plan assets
Service cost
Amortization of net actuarial loss	(1)	(1)
Net periodic benefit cost (credit)	$ 0	$ (1)