v3.25.4
Employee Benefit Plans - Change in Benefit Obligations and Fair Value of Plan Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Pension Benefits | U.S.      
Change in Benefit Obligation      
Benefit obligation, beginning balance $ 1,806 $ 1,525  
Service cost 58 49 $ 51
Interest cost 93 76 77
Plan participant contributions 0 0  
Plan amendments 0 0  
Business combinations 237  
Actuarial (gain) loss 89 (4)  
Benefits paid (204) (98)  
Curtailment 3 8  
Recognition of termination benefits 0 13  
Foreign currency exchange rate change 0 0  
Benefit obligation, ending balance 1,845 1,806 1,525
Accumulated benefit obligation 1,767 1,703  
Change in Fair Value of Plan Assets      
Fair value of plan assets, beginning balance 1,556 1,306  
Actual return on plan assets 166 66  
Company contributions 148 83  
Plan participant contributions 0 0  
Business combinations 199  
Benefits paid (204) (98)  
Foreign currency exchange rate change 0 0  
Fair value of plan assets, ending balance 1,666 1,556 1,306
Funded Status (179) (250)  
Pension Benefits | Int’l.      
Change in Benefit Obligation      
Benefit obligation, beginning balance 2,591 2,866  
Service cost 34 38 38
Interest cost 130 114 113
Plan participant contributions 0 0  
Plan amendments 0 57  
Business combinations  
Actuarial (gain) loss (59) (202)  
Benefits paid (142) (134)  
Curtailment (8) 0  
Recognition of termination benefits 0 0  
Foreign currency exchange rate change 243 (148)  
Benefit obligation, ending balance 2,789 2,591 2,866
Accumulated benefit obligation 2,577 2,392  
Change in Fair Value of Plan Assets      
Fair value of plan assets, beginning balance 2,907 3,085  
Actual return on plan assets 192 18  
Company contributions 50 88  
Plan participant contributions 0 0  
Business combinations  
Benefits paid (142) (134)  
Foreign currency exchange rate change 277 (150)  
Fair value of plan assets, ending balance 3,284 2,907 3,085
Funded Status 495 316  
Other Benefits      
Change in Benefit Obligation      
Benefit obligation, beginning balance 145 107  
Service cost 2 1 1
Interest cost 8 5 5
Plan participant contributions 14 12  
Plan amendments (2) 0  
Business combinations 42  
Actuarial (gain) loss (3) 5  
Benefits paid (39) (27)  
Curtailment 1 0  
Recognition of termination benefits 0 0  
Foreign currency exchange rate change 0 0  
Benefit obligation, ending balance 126 145 107
Change in Fair Value of Plan Assets      
Fair value of plan assets, beginning balance 0 0  
Actual return on plan assets 0 0  
Company contributions 25 15  
Plan participant contributions 14 12  
Business combinations  
Benefits paid (39) (27)  
Foreign currency exchange rate change 0 0  
Fair value of plan assets, ending balance 0 0 $ 0
Funded Status $ (126) $ (145)