Note 12 - Pension and Postretirement Benefit Plans - Components of Net Periodic Benefit Cost (Credit) and Other Amounts Recognized in OCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
UNITED STATES | Pension Plan [Member]
Interest cost	$ 19	$ 20	$ 21
Expected return on plan assets	(22)	(23)	(25)
Amortization of net actuarial loss	5	7	7
Settlements		3
Net periodic benefit cost (credit)	2	7	3
Amount due to net actuarial (gains) losses	(1)	3	(1)
Reclassification adjustment for net actuarial losses in net periodic benefit cost	(5)	(7)	(7)
Other	(4)	3	3
Total recognized in OCI	(10)	(1)	(5)
Net recognized in benefit cost (credit) and OCI	(8)	6	(2)
UNITED STATES | Other Postretirement Benefits Plan [Member]
Interest cost	0	0	0
Amortization of net actuarial loss
Net periodic benefit cost (credit)	0	0	0
Amount due to net actuarial (gains) losses
Total recognized in OCI	0	0	0
Net recognized in benefit cost (credit) and OCI	0	0	0
Foreign Plan [Member] | Pension Plan [Member]
Interest cost	11	11	11
Expected return on plan assets	(2)	(2)	(2)
Service cost	4	4	4
Amortization of net actuarial loss	1	1
Net periodic benefit cost (credit)	14	14	13
Amount due to net actuarial (gains) losses	(8)	(9)	16
Reclassification adjustment for net actuarial losses in net periodic benefit cost	(1)	(1)
Other	(6)
Total recognized in OCI	(15)	(10)	16
Net recognized in benefit cost (credit) and OCI	(1)	4	29
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]
Interest cost	2	2	2
Amortization of net actuarial loss	(3)	(2)	(4)
Net periodic benefit cost (credit)	(1)	0	(2)
Amount due to net actuarial (gains) losses	(1)		8
Reclassification adjustment for net actuarial losses in net periodic benefit cost	3	2	4
Total recognized in OCI	2	2	12
Net recognized in benefit cost (credit) and OCI	$ 1	$ 2	$ 10