v3.25.2
Employee Benefits - Costs (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Net Periodic Benefit Cost        
Curtailment losses (gains) $ 71 $ 0 $ 71 $ 0
Pension Benefits        
Net Periodic Benefit Cost        
Net Periodic Other Benefit Costs 171 138 272 275
Pension Benefits | United States        
Net Periodic Benefit Cost        
Service cost 89 89 179 178
Interest cost 123 116 247 232
Expected return on plan assets (173) (149) (347) (298)
Amortization of prior service costs (credits) 1 1 2 2
Amortization of actuarial losses (gains) 30 61 60 122
Net Periodic Other Benefit Costs 141 118 212 236
Pension Benefits | International        
Net Periodic Benefit Cost        
Service cost 15 13 29 27
Interest cost 48 48 96 95
Expected return on plan assets (48) (47) (95) (97)
Amortization of prior service costs (credits) 3 2 6 5
Amortization of actuarial losses (gains) 12 4 24 9
Net Periodic Other Benefit Costs 30 20 60 39
Other Benefits        
Net Periodic Benefit Cost        
Service cost 8 9 15 17
Interest cost 25 25 50 50
Amortization of prior service costs (credits) (5) (6) (11) (12)
Amortization of actuarial losses (gains) (5) (3) (9) (7)
Net Periodic Other Benefit Costs $ 23 $ 25 $ 45 $ 48