Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in carrying amount of goodwill

The changes in the carrying amount of goodwill are as follows:

(in millions)	Americas		EMEA		Asia		Total
Balance at September 30, 2019	$	638	$	429	$	1,083	$	2,150
Business divestitures	(21)		(80)		—		(101)
Currency translation and other	(11)		19		—		8
Balance at September 30, 2020	$	606	$	368	$	1,083	$	2,057
Business acquisitions	—		—		188		188
Business divestitures	—		(11)		—		(11)
Currency translation and other	1		(3)		(20)		(22)
Balance at September 30, 2021	$	607	$	354	$	1,251	$	2,212

Schedule of other intangible assets

Adient's other intangible assets, primarily from business acquisitions valued based on independent appraisals, consisted of:

	September 30, 2021						September 30, 2020
(in millions)	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Intangible assets
Patented technology	$	86	$	(19)	$	67	$	27	$	(19)	$	8
Customer relationships	649		(178)		471		424		(103)		321
Trademarks	26		(21)		5		41		(27)		14
Miscellaneous	24		(12)		12		110		(10)		100
Total intangible assets	$	785	$	(230)	$	555	$	602	$	(159)	$	443