Restructuring and Impairment Costs (Tables)

12 Months Ended

Sep. 30, 2019

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Reserve - 2019

The following table summarizes the changes in Adient's 2019 Plan reserve:

(in millions)	Employee Severance and Termination Benefits		Other		Currency Translation		Total
Original Reserve	$	101	$	4	$	—	$	105
Utilized—cash	(32)		—		—		(32)
Utilized—noncash	—		(1)		(2)		(3)
Balance at September 30, 2019	$	69	$	3	$	(2)	$	70

Schedule Of Restructuring Reserve - 2018

The following table summarizes the changes in Adient's 2018 Plan reserve:

(in millions)	Employee Severance and Termination Benefits		Other		Currency Translation		Total
Original Reserve	$	68	$	3	$	—	$	71
Utilized—cash	(19)		—		—		(19)
Utilized—noncash	—		(2)		(2)		(4)
Balance at September 30, 2018	49		1		(2)		48
Reserve adjustment	9		—		—		9
Utilized—cash	(24)		—		—		(24)
Utilized—noncash	—		(1)		(2)		(3)
Noncash adjustment—underspend	(10)		—		—		(10)
Balance at September 30, 2019	$	24	$	—	$	(4)	$	20

Schedule Of Restructuring Reserve - 2017

The following table summarizes the changes in Adient's 2017 Plan reserve:

(in millions)	Employee Severance and Termination Benefits		Other		Total
Original Reserve	$	42	$	4	$	46
Utilized—cash	(4)		(4)		(8)
Balance at September 30, 2017	38		—		38
Utilized—cash	(26)		—		(26)
Balance at September 30, 2018	12		—		12
Utilized—cash	(3)		—		(3)
Noncash adjustment—underspend	(4)		—		(4)
Balance at September 30, 2019	$	5	$	—	$	5

Schedule Of Restructuring Reserve - 2016

The following table summarizes the changes in Adient's 2016 Plan reserve:

(in millions)	Employee Severance and Termination Benefits		Long-Lived Asset Impairments		Other		Currency Translation		Total
Original Reserve	$	223	$	87	$	22	$	—	$	332
Utilized—cash	(29)		—		(1)		—		(30)
Utilized—noncash	—		(87)		—		(2)		(89)
Balance at September 30, 2016	194		—		21		(2)		213
Utilized—cash	(48)		—		(12)		—		(60)
Utilized—noncash	—		—		—		7		7
Balance at September 30, 2017	146		—		9		5		160
Utilized—cash	(55)		—		(9)		—		(64)
Utilized—noncash	—		—		—		(1)		(1)
Noncash adjustment—underspend	(20)		—		—		—		(20)
Balance at September 30, 2018	71		—		—		4		75
Utilized—cash	(45)		—		—		—		(45)
Utilized—noncash	—		—		—		(2)		(2)
Noncash adjustment—underspend	(1)		—		—		—		(1)
Balance at September 30, 2019	$	25	$	—	$	—	$	2	$	27