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Note 1. Significant Accounting Policies Earnings per Share (Tables) | 3 Months Ended
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Dec. 31, 2017
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following table shows the computation of basic and diluted earnings per share:
|  | Three Months Ended December 31,
(in millions, except per share data) |  | 2017 |  | 2016
Numerator: |  |  |  |
Net income (loss) attributable to Adient |  | $ | (216 | ) |  | $ | 142 |
Denominator: |  |  |  |
Shares outstanding |  | 93.2 |  |  | 93.7 |
Effect of dilutive securities |  | — |  |  | 0.2 |
Diluted shares |  | 93.2 |  |  | 93.9 |
Earnings per share: |  |  |  |
Basic |  | $ | (2.32 | ) |  | $ | 1.52 |
Diluted |  | $ | (2.32 | ) |  | $ | 1.51 |
Potentially dilutive securities whose effect would have been antidilutive are excluded from the computation of diluted earnings per share.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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