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Note 11 - 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, 2024
Dec. 31, 2023
Dec. 31, 2022
Pension Plan [Member]      
Fair value at beginning of period $ 599    
Fair value at end of period 554 $ 599  
UNITED STATES | Pension Plan [Member]      
Obligation at beginning of period 549 557  
Interest cost 26 28 $ 16
Actuarial (gain) loss (21) 12  
Benefit payments (46) (48)  
Settlements 3    
Obligation at end of period 511 549 557
Fair value at beginning of period 530 537  
Actual return on plan assets 2 41  
Employer contributions 7    
Benefit payments (46) (48)  
Fair value at end of period 493 530 537
Funded status at end of period (18) (19)  
UNITED STATES | Other Postretirement Benefits Plan [Member]      
Obligation at beginning of period 3 2  
Interest cost 0 1 0
Actuarial (gain) loss (1)    
Obligation at end of period 2 3 2
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 330 296  
Interest cost 13 14 8
Service cost 6 6 7
Actuarial (gain) loss (10) 17  
Benefit payments (14) (16)  
Settlements (4) (1)  
Translation adjustments (27) 14  
Obligation at end of period 294 330 296
Fair value at beginning of period 69 59  
Actual return on plan assets 2 5  
Employer contributions 15 18  
Benefit payments (14) (16)  
Settlements (4) (1)  
Translation adjustments (7) 4  
Fair value at end of period 61 69 59
Funded status at end of period (233) (261)  
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]      
Obligation at beginning of period 55 48  
Interest cost 2 2 2
Actuarial (gain) loss   8  
Benefit payments (4) (4)  
Amendments (2)    
Translation adjustments (4) 1  
Obligation at end of period 47 55 48
Fair value at beginning of period 0 1  
Employer contributions 4 4  
Benefit payments (4) (4)  
Translation adjustments   (1)  
Fair value at end of period 0 0 $ 1
Funded status at end of period $ (47) $ (55)