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Retirement and Other Postretirement Benefits
 6 Months Ended
Jun. 30, 2026
Retirement Benefits [Abstract]  
Retirement and Other Postretirement Benefits Retirement and Other Postretirement Benefits
The components of net periodic cost (benefit) were as follows:
Second quarter endedSix months ended
June 30,June 30,
2026202520262025
Pension benefits
Service cost$1 $— $1 $1 
Interest cost15 19 31 38 
Expected return on plan assets(13)(16)(27)(33)
Recognized net actuarial loss9 8 18 15 
Net periodic cost(1)
$12 $11 $23 $21 
Other postretirement benefits
Service cost$— $— $— $— 
Interest cost— 1 1 2 
Recognized net actuarial gain(2)(2)(4)(4)
Amortization of prior service benefit(2)(3)(4)(5)
Net periodic benefit(1)
$(4)$(4)$(7)$(7)
(1)Service cost was included within Cost of goods sold; all other cost components were recorded in Other expense, net in the Statement of Consolidated Operations.
For the second quarter and six months ended June 30, 2026, Howmet’s combined pension contributions and other postretirement benefit payments were approximately $24 and $27, respectively. For the second quarter and six months ended June 30, 2025, Howmet’s combined pension contributions and other postretirement benefit payments were approximately $18 and $19, respectively.