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, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Plan [Member]
Fair value at beginning of period	$ 596
Fair value at end of period	599	$ 596
UNITED STATES | Pension Plan [Member]
Obligation at beginning of period	557	745
Interest cost	28	16	$ 13
Actuarial (gain) loss	12	(155)
Benefit payments	(48)	(49)
Obligation at end of period	549	557	745
Fair value at beginning of period	537	733
Actual return on plan assets	41	(147)
Benefit payments	(48)	(49)
Fair value at end of period	530	537	733
Funded status at end of period	(19)	(20)
UNITED STATES | Other Postretirement Benefits Plan [Member]
Obligation at beginning of period	2	3
Interest cost	1
Actuarial (gain) loss		(1)
Obligation at end of period	3	2	3
Fair value at beginning of period	0	0
Fair value at end of period	0	0	0
Funded status at end of period	(3)	(2)
Foreign Plan [Member] | Pension Plan [Member]
Obligation at beginning of period	296	384
Interest cost	14	8	5
Service cost	6	7	9
Actuarial (gain) loss	17	(73)
Benefit payments	(16)	(14)
Settlements	(1)
Translation adjustments	14	(16)
Obligation at end of period	330	296	384
Fair value at beginning of period	59	65
Actual return on plan assets	5	(5)
Employer contributions	18	16
Benefit payments	(16)	(14)
Settlements	(1)
Translation adjustments	4	(3)
Fair value at end of period	69	59	65
Funded status at end of period	(261)	(237)
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]
Obligation at beginning of period	48	69
Interest cost	2	2	2
Service cost			1
Actuarial (gain) loss	8	(15)
Benefit payments	(4)	(4)
Translation adjustments	1	(4)
Obligation at end of period	55	48	69
Fair value at beginning of period	1	1
Employer contributions	4	4
Benefit payments	(4)	(4)
Translation adjustments	(1)
Fair value at end of period	0	1	$ 1
Funded status at end of period	$ (55)	$ (47)