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Retirement benefits
 3 Months Ended
Sep. 30, 2025
Retirement Benefits [Abstract]  
Retirement benefits Retirement benefits
The components of net periodic benefit cost (income) for our defined benefit pension and other postretirement plans were as follows:
U.S. Pension BenefitsNon-U.S. Pension BenefitsOther Postretirement Benefits
Three Months EndedThree Months EndedThree Months Ended
 September 30,September 30,September 30,
 202520242025202420252024
Service cost$6 $7 $6 $6 $— $— 
Interest cost42 46 18 19 1 1 
Expected return on plan assets(58)(61)(23)(22)— — 
Amortization of prior service cost1 1 — — — — 
Amortization of net actuarial loss (gain)1 2 2 2 (1)— 
Net periodic benefit cost (income)$(8)$(5)$3 $5 $— $1 
Components of net periodic benefit cost (income), other than service cost, are included in other income, net in the Consolidated Statements of Income.