v3.26.1
Retirement Plans
 9 Months Ended
Jun. 30, 2026
Retirement Benefits [Abstract]  
Retirement Plans
12. Retirement Plans

Adient maintains non-contributory defined benefit pension plans covering primarily non-U.S. employees and a limited number of U.S. employees. The following table contains the components of net periodic benefit cost:

Three Months Ended
June 30,		Nine Months Ended
June 30,
(in millions)2026202520262025
Service cost$1 $1 $5 $4 
Interest cost5 4 14 13 
Expected return on plan assets(4)(3)(11)(10)
Net actuarial and settlement/curtailment loss— — 2 — 
Net periodic benefit cost$2 $2 $10 $7 

The interest cost, expected return on plan assets, and net actuarial and settlement/curtailment loss components of net periodic benefit cost are included in other pension expense in the consolidated statements of income (loss).