Retirement Plans

3 Months Ended

Dec. 31, 2021

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 December 31,
(in millions)	2021		2020
Service cost	$	2	$	2
Interest cost	3		2
Expected return on plan assets	(4)		(4)
Net periodic benefit cost	$	1	$	—

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