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Note 5. Goodwill and Other Intangible Assets Goodwill (Tables)

12 Months Ended

Sep. 30, 2017

Goodwill [Line Items]

Goodwill Disclosure [Text Block]

The changes in the carrying amount of goodwill in each of Adient's reporting segments is as follows:

(in millions)		September 30, 2016				Business Acquisitions				Business Divestitures				Currency Translation and Other				September 30, 2017
Goodwill
Seating		$	2,179			$	284			$	—			$	52			$	2,515

(in millions)		September 30, 2015				Business Acquisitions				Business Divestitures				Currency Translation and Other				September 30, 2016
Goodwill
Seating		$	2,160			$	—			$	—			$	19			$	2,179

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_GoodwillLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267

+ Details

Name:	us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration