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, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Plan [Member]
Fair value at beginning of period	$ 798
Fair value at end of period	596	$ 798
UNITED STATES | Pension Plan [Member]
Obligation at beginning of period	745	810
Interest cost	16	13	$ 21
Actuarial (gain) loss	(155)	(29)
Benefit payments	(49)	(49)
Obligation at end of period	557	745	810
Fair value at beginning of period	733	781
Actual return on plan assets	(147)	1
Employer contributions
Benefit payments	(49)	(49)
Fair value at end of period	537	733	781
Funded status at end of period	(20)	(12)
UNITED STATES | Other Postretirement Benefits Plan [Member]
Obligation at beginning of period	3	4
Actuarial (gain) loss	(1)	(1)
Benefit payments
Obligation at end of period	2	3	4
Fair value at beginning of period	0	0
Fair value at end of period	0	0	0
Funded status at end of period	(2)	(3)
Foreign Plan [Member] | Pension Plan [Member]
Obligation at beginning of period	384	438
Interest cost	8	5	5
Service cost	7	9	9
Actuarial (gain) loss	(73)	(25)
Benefit payments	(14)	(15)
Settlements		(1)
Translation adjustments	(16)	(27)
Obligation at end of period	296	384	438
Fair value at beginning of period	65	69
Actual return on plan assets	(5)
Employer contributions	16	17
Benefit payments	(14)	(15)
Settlements		(1)
Translation adjustments	(3)	(5)
Fair value at end of period	59	65	69
Funded status at end of period	(237)	(319)
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]
Obligation at beginning of period	69	93
Interest cost	2	2	2
Service cost		1	1
Actuarial (gain) loss	(15)	(24)
Benefit payments	(4)	(4)
Settlements
Translation adjustments	(4)	1
Obligation at end of period	48	69	93
Fair value at beginning of period	1	0
Employer contributions	4	5
Benefit payments	(4)	(4)
Fair value at end of period	1	1	$ 0
Funded status at end of period	$ (47)	$ (68)