Retirement Plans

3 Months Ended

Dec. 31, 2018

Retirement Benefits [Abstract]

Retirement Plans

11. 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)	2018			2017
Service cost	$	2		$	2
Interest cost	3			4
Expected return on plan assets	(5		)	(5		)
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).