Note 19 - Pension Income From Continuing Operations For All Defined Benefit Plans (Details) - Defined Benefit Plans [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
U.S. [Member]
Pension Income Expense From Continuing And Discontinued Operations For Major Defined Benefit Plans [Line Items]
Service cost	$ 11	$ 11	$ 10
Interest cost	47	86	122
Expected return on plan assets	(167)	(196)	(214)
Prior service credit	(7)	(7)	(7)
Actuarial loss	30	15
Pension income before special termination benefits	(86)	(91)	(89)
Special termination benefits	2	3	3
Curtailment gains			(2)
Settlement losses		9
Net pension income for major defined benefit plans	(84)	(79)	(88)
Net pension (income), expense	(84)	(79)	(88)
Non-US [Member]
Pension Income Expense From Continuing And Discontinued Operations For Major Defined Benefit Plans [Line Items]
Service cost	3	3	3
Interest cost	5	9	13
Expected return on plan assets	(15)	(19)	(22)
Actuarial loss	9	7	5
Pension income before special termination benefits	2		(1)
Curtailment gains			(5)
Net pension income for major defined benefit plans	2		(1)
Other plans including unfunded plans	$ (2)	1	(3)
Net pension (income), expense		$ 1	$ (4)