XML 108 R92.htm IDEA: XBRL DOCUMENT
v3.20.2

Restructuring and Impairment Costs (Details) employee in Thousands, $ in Millions | 12 Months Ended | 48 Months Ended
--- | --- | ---
Sep. 30, 2020 USD ($) employee plant | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2020 USD ($) employee
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs | $ 238 | $ 176 | $ 1,181 |  |  |
Restructuring reserves | $ (80) | (108) | (135) |  |  |
Restructuring charges recovered |  | 6 |  |  |  |
Number of positions eliminated to date | employee | 17 |  |  |  |  | 17
Number of positions eliminated | employee | 12 |  |  |  |  |
Number of plants expected to close | plant | 23 |  |  |  |  |
Number of plants closed | plant | 17 |  |  |  |  |
2020 restructuring plan |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs | $ 205 |  |  |  |  |
Noncash adjustment—underspend | 20 |  |  |  |  |
2020 restructuring plan | Americas Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs | 20 |  |  |  |  |
2020 restructuring plan | EMEA Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs | 175 |  |  |  |  |
2020 restructuring plan | Asia Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs | 10 |  |  |  |  |
2019 restructuring plan |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  | 105 |  |  |  |
Noncash adjustment—underspend | 7 | 16 |  |  |  |
Restructuring reserves |  | 9 |  |  |  |
2019 restructuring plan | Employee Severance and Termination Benefits |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Noncash adjustment—underspend | 7 |  |  |  |  |
2019 restructuring plan | Other |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Noncash adjustment—underspend | 0 |  |  |  |  |
2019 restructuring plan | Americas Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  | 16 |  |  |  |
2019 restructuring plan | EMEA Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  | 81 |  |  |  |
2019 restructuring plan | Asia Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  | 8 |  |  |  |
2018 restructuring plan |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  | 71 |  |  |
Noncash adjustment—underspend | 7 | 10 |  |  |  |
2018 restructuring plan | Employee Severance and Termination Benefits |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Noncash adjustment—underspend | 7 | 10 |  |  |  |
2018 restructuring plan | Other |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Noncash adjustment—underspend | $ 0 | $ 0 |  |  |  |
2018 restructuring plan | Americas Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  | 9 |  |  |
2018 restructuring plan | EMEA Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  | 52 |  |  |
2018 restructuring plan | Asia Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  | 10 |  |  |
2017 restructuring plan |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  |  | $ 46 |  |
2017 restructuring plan | Americas Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  |  | 7 |  |
2017 restructuring plan | EMEA Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  |  | 34 |  |
2017 restructuring plan | Asia Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  |  | $ 5 |  |
2016 restructuring plan |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  |  |  | $ 332 |
Noncash adjustment—underspend |  |  | 20 |  |  |
Severance costs |  |  |  |  |  | $ 20
2016 restructuring plan | Americas Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  |  |  | 32 |
2016 restructuring plan | EMEA Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  |  |  | 298 |
2016 restructuring plan | Asia Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and impairment costs |  |  |  |  | $ 2 |
Other plan years |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Noncash adjustment—underspend |  |  | $ 5 |  |  |

X
- Definition Restructuring Charges Recovered + References No definition available. + Details
Name: | adnt_RestructuringChargesRecovered
Namespace Prefix: | adnt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Restructuring Reserve, Accrual Adjustment, Noncash + References No definition available. + Details
Name: | adnt_RestructuringReserveAccrualAdjustmentNoncash
Namespace Prefix: | adnt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Restructuring and Related Cost, Expected Number of Plants Closed + References No definition available. + Details
Name: | adnt_RestructuringandRelatedCostExpectedNumberofPlantsClosed
Namespace Prefix: | adnt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restructuring and Related Cost, Number of Plants Closed, Inception to Date + References No definition available. + Details
Name: | adnt_RestructuringandRelatedCostNumberofPlantsClosedInceptiontoDate
Namespace Prefix: | adnt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) during the period in the carrying amount (including both current and noncurrent portions of the accrual) of the liability pertaining to the exit from or disposal of business activities or restructuring pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination and to asset retirement obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
Name: | us-gaap_IncreaseDecreaseInRestructuringReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of positions eliminated during the period as a result of restructuring activities. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of positions eliminated as of the balance sheet date since inception of the restructuring plan(s). + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedInceptionToDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
Name: | us-gaap_RestructuringCostsAndAssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
Name: | us-gaap_SeveranceCosts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringPlanAxis=adnt_RestructuringPlan2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=adnt_AmericasSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=adnt_EMEASegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=adnt_AsiaSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=adnt_RestructuringPlan2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_OtherRestructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=adnt_RestructuringPlan2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=adnt_RestructuringPlan2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=adnt_RestructuringPlan2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=adnt_OtherPlanYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |