XML 12 R1.htm IDEA: XBRL DOCUMENT v3.8.0.1
Document and Entity Information Document
 3 Months Ended
Dec. 31, 2017
shares
Entity Information [Line Items]  
Entity Registrant Name Adient plc
Entity Central Index Key 0001670541
Current Fiscal Year End Date --09-30
Entity Filer Category Large Accelerated Filer
Document Type 10-Q
Document Period End Date Dec. 31, 2017
Entity Well-known Seasoned Issuer Yes
Entity Current Reporting Status Yes
Entity Voluntary Filers No
Document Fiscal Year Focus 2018
Document Fiscal Period Focus Q1
Amendment Flag false
Entity Common Stock, Shares Outstanding 93,334,571