Annual report pursuant to Section 13 and 15(d)

Note 18 - Employee Benefit Plans - Change in Benefit Obligation and Plan Assets (Details)

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Note 18 - Employee Benefit Plans - Change in Benefit Obligation and Plan Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Pension Plan [Member]      
Balance at beginning of period $ 2,127    
Balance at end of period 2,270 $ 2,127  
Funded status:      
Defined Benefit Plan, Plan Assets, Amount 2,270 2,127  
UNITED STATES | Pension Plan [Member]      
Balance at beginning of period 691 925  
Actual return on plan assets 86 (150)  
Foreign currency exchange rate changes 0 0  
Participant contributions 0 0  
Settlements/transfers/divestitures 0 (30)  
Company contributions 18 5  
Benefits paid (67) (59)  
Balance at end of period 728 691 $ 925
Benefit obligation at beginning of year 770 1,048  
Service cost 11 19 20
Interest cost(1) [1] 43 32 31
Plan amendments 0 0  
Foreign currency exchange rate changes 0 0  
Settlements/curtailments/divestitures 0 (26)  
Actuarial loss (gain) 27 (244)  
Benefits paid (67) (59)  
Benefit obligation at end of year 784 770 1,048
Funded status:      
Defined Benefit Plan, Plan Assets, Amount 728 691 925
Benefit obligation (784) (770) (1,048)
(Under) over funded status (56) (79)  
Amounts recognized in balance sheet:      
Noncurrent asset 0 0  
Current liability (7) (6)  
Noncurrent liability (49) (73)  
Net (liability) asset (56) (79)  
UNITED STATES | Other Postretirement Benefits Plan [Member]      
Balance at beginning of period 0 0  
Actual return on plan assets 0 0  
Foreign currency exchange rate changes 0 0  
Participant contributions 2 2  
Settlements/transfers/divestitures 0 0  
Company contributions 6 7  
Benefits paid (8) (9)  
Balance at end of period 0 0 0
Benefit obligation at beginning of year 47 61  
Service cost 1 1 2
Interest cost(1) [1] 3 2 2
Plan amendments (1) 0  
Foreign currency exchange rate changes 0 0  
Settlements/curtailments/divestitures 0 0  
Actuarial loss (gain) (4) (10)  
Benefits paid (8) (9)  
Benefit obligation at end of year 40 47 61
Funded status:      
Defined Benefit Plan, Plan Assets, Amount 0 0 0
Benefit obligation (40) (47) (61)
(Under) over funded status (40) (47)  
Amounts recognized in balance sheet:      
Noncurrent asset 0 0  
Current liability (5) (5)  
Noncurrent liability (35) (42)  
Net (liability) asset (40) (47)  
Foreign Plan [Member] | Pension Plan [Member]      
Balance at beginning of period 1,436 1,970  
Actual return on plan assets 67 (381)  
Foreign currency exchange rate changes 80 (129)  
Participant contributions 5 5  
Settlements/transfers/divestitures (16) (5)  
Company contributions 26 36  
Benefits paid (56) (60)  
Balance at end of period 1,542 1,436 1,970
Benefit obligation at beginning of year 1,354 2,032  
Service cost 15 26 30
Interest cost(1) [1] 50 23 17
Plan amendments 0 (2)  
Foreign currency exchange rate changes 77 (131)  
Settlements/curtailments/divestitures (21) (5)  
Actuarial loss (gain) 139 (534)  
Benefits paid (56) (60)  
Benefit obligation at end of year 1,563 1,354 2,032
Funded status:      
Defined Benefit Plan, Plan Assets, Amount 1,542 1,436 1,970
Benefit obligation (1,563) (1,354) (2,032)
(Under) over funded status (21) 82  
Amounts recognized in balance sheet:      
Noncurrent asset 110 196  
Current liability (3) (4)  
Noncurrent liability (128) (110)  
Net (liability) asset (21) 82  
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]      
Balance at beginning of period 0 0  
Actual return on plan assets 0 0  
Foreign currency exchange rate changes 0 0  
Participant contributions 0 0  
Settlements/transfers/divestitures 0 0  
Company contributions 0 0  
Benefits paid 0 0  
Balance at end of period 0 0 0
Benefit obligation at beginning of year 0 0  
Service cost 0 0 0
Interest cost(1) [1] 0 0 0
Plan amendments 0 0  
Foreign currency exchange rate changes 0 0  
Settlements/curtailments/divestitures 0 0  
Actuarial loss (gain) 0 0  
Benefits paid 0 0  
Benefit obligation at end of year 0 0 0
Funded status:      
Defined Benefit Plan, Plan Assets, Amount 0 0 0
Benefit obligation 0 0 $ 0
(Under) over funded status 0 0  
Amounts recognized in balance sheet:      
Noncurrent asset 0 0  
Current liability 0 0  
Noncurrent liability 0 0  
Net (liability) asset $ 0 $ 0  
[1] Amounts are presented in other income, net.