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Note 20 - Retirement Plans - Pension Income From Continuing Operations For All Defined Benefit Plans (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Service cost $ 0 $ 0 $ 0
Interest cost 1 1 1
Net pension (income), expense 1 1 1
Pension Plan [Member] | UNITED STATES      
Service cost 13 11 11
Interest cost 80 47 86
Expected return on plan assets (178) (167) (196)
Prior service credit (3) (7) (7)
Actuarial loss 0 30 15
Pension income before special termination benefits (88) (86) (91)
Special termination benefits 2 2 3
Settlement losses 0 0 9
Net pension income for major defined benefit plans (86) (84) (79)
Other plans including unfunded plans 0 0 0
Net pension (income), expense (86) (84) (79)
Pension Plan [Member] | Foreign Plan [Member]      
Service cost 3 3 3
Interest cost 9 5 9
Expected return on plan assets (14) (15) (19)
Prior service credit 0 0 0
Actuarial loss 10 9 7
Pension income before special termination benefits 8 2 0
Special termination benefits 0 0 0
Settlement losses 0 0 0
Net pension income for major defined benefit plans 8 2 0
Other plans including unfunded plans 0 (2) 1
Net pension (income), expense $ 8 $ 0 $ 1