v3.26.1
Pension and Other Postretirement Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2026
Pension Plans  
Defined Benefit Plan Disclosure [Line Items]  
Schedule of Net Benefit Costs
The Company has defined benefit pension plans covering eligible employees in the U.S. and in certain of its international subsidiaries. The net periodic benefit cost (credit) of such plans consisted of the following components: 
Three Months Ended
June 30,		Six Months Ended
June 30,
2026202520262025
($ in millions)U.S.InternationalU.S.InternationalU.S.InternationalU.S.International
Service cost$98 $49 $90 $60 $195 $98 $180 $114 
Interest cost145 79 141 75 290 160 282 146 
Expected return on plan assets(207)(158)(210)(152)(414)(319)(420)(295)
Amortization of unrecognized prior service credit
— (4)— (4)— (7)— (8)
Net loss (gain) amortization
27 (1)13 2 54 (2)25 5 
Termination benefits2 — — — 4 14 — — 
$65 $(35)$34 $(19)$129 $(56)$67 $(38)
Other Postretirement Benefit Plans  
Defined Benefit Plan Disclosure [Line Items]  
Schedule of Net Benefit Costs
The Company provides medical benefits, principally to its eligible U.S. retirees and similar benefits to their dependents, through its other postretirement benefit plans. The net credit of such plans consisted of the following components: 
Three Months Ended
June 30,		Six Months Ended
June 30,
($ in millions)2026202520262025
Service cost$11 $9 $21 $19 
Interest cost16 16 32 31 
Expected return on plan assets(14)(13)(27)(26)
Amortization of unrecognized prior service credit(9)(10)(18)(20)
Net gain amortization(8)(10)(15)(20)
Termination benefits— — 1 — 
$(4)$(8)$(6)$(16)