Note 12 - Pension and Postretirement Benefit Plans - Reconciliations of Changes in Benefit Obligations, Plan Assets and Funded Status (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pension Plan [Member]
Fair value at beginning of period	$ 418
Fair value at end of period	412	$ 418
UNITED STATES | Pension Plan [Member]
Obligation at beginning of period	385	416
Interest cost	19	20	$ 21
Actuarial (gain) loss	11	(16)
Benefit payments	(37)	(38)
Settlements		3
Obligation at end of period	378	385	416
Fair value at beginning of period	394	427
Actual return on plan assets	34	4
Employer contributions		1
Benefit payments	(37)	(38)
Fair value at end of period	391	394	427
Funded status at end of period	13	9
UNITED STATES | Other Postretirement Benefits Plan [Member]
Obligation at beginning of period	0	0
Interest cost	0	0	0
Actuarial (gain) loss
Obligation at end of period	0	0	0
Fair value at beginning of period	0	0
Fair value at end of period	0	0	0
Funded status at end of period	0	0
Foreign Plan [Member] | Pension Plan [Member]
Obligation at beginning of period	223	252
Interest cost	11	11	11
Service cost	4	4	4
Actuarial (gain) loss	(8)	(9)
Benefit payments	(14)	(12)
Divestitures	(4)
Amendments	1
Settlements	(1)	(2)
Translation adjustments	26	(21)
Obligation at end of period	238	223	252
Fair value at beginning of period	24	29
Actual return on plan assets	2	2
Employer contributions	14	12
Benefit payments	(14)	(12)
Settlements	(1)	(2)
Divestitures	(5)
Translation adjustments	1	(5)
Fair value at end of period	21	24	29
Funded status at end of period	(217)	(199)
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]
Obligation at beginning of period	47	55
Interest cost	2	2	2
Actuarial (gain) loss	(1)
Benefit payments	(4)	(4)
Amendments		(2)
Translation adjustments	3	(4)
Obligation at end of period	47	47	55
Fair value at beginning of period	0	0
Employer contributions	5	4
Benefit payments	(4)	(4)
Fair value at end of period	1	0	$ 0
Funded status at end of period	$ (46)	$ (47)