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Employee Retirement Plans
 3 Months Ended
Mar. 31, 2025
Retirement Benefits [Abstract]  
Employee Retirement Plans Employee Retirement Plans
The following table presents the components of net periodic pension and postretirement benefit expense (income) for employee retirement plans, which other than the service cost component is recorded in other (expense) income, net in the consolidated statements of income (in millions):
Pension benefitsPostretirement benefits
Three months ended
March 31,		Three months ended
March 31,
2025202420252024
Service cost$24 $23 $1 $1 
Interest cost47 46 4 5 
Expected return on plan assets(50)(48)
Amortization of actuarial net gain(6)(5)
Amortization of prior service cost (credit)1 1 (2)(2)
Total pension and postretirement benefit expense (income)$22 $22 $(3)$(1)