v3.26.1
Employee Benefits - Schedule of Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Pension Benefits        
Pension Benefits        
Net Periodic Other Benefit Costs $ 179 $ 171 $ 249 $ 272
Pension Benefits | United States        
Pension Benefits        
Service cost 86 89 172 179
Interest cost 121 123 243 247
Expected return on plan assets (194) (173) (389) (347)
Amortization of prior service costs (credits) 1 1 2 2
Amortization of actuarial losses (gains) 26 30 53 60
Settlement losses (gains) 113 0 113 0
Curtailment losses (gains) 0 71 0 71
Net Periodic Other Benefit Costs 153 141 194 212
Pension Benefits | International        
Pension Benefits        
Service cost 15 15 31 29
Interest cost 60 48 120 96
Expected return on plan assets (63) (48) (126) (95)
Amortization of prior service costs (credits) 2 3 5 6
Amortization of actuarial losses (gains) 12 12 25 24
Net Periodic Other Benefit Costs 26 30 55 60
Other Benefits        
Pension Benefits        
Service cost 8 8 15 15
Interest cost 24 25 48 50
Amortization of prior service costs (credits) (5) (5) (11) (11)
Amortization of actuarial losses (gains) (2) (5) (5) (9)
Net Periodic Other Benefit Costs $ 25 $ 23 $ 47 $ 45