XML 65 R54.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 9. Equity and Noncontrolling Interests (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Changes In Shareholder's Equity [Line Items] |  |  |  |
Stockholders' Equity Attributable to Parent | $ 4,108 |  | $ 4,279 |
Stockholders' Equity Attributable to Noncontrolling Interest | 321 |  | 313 |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 4,429 |  | 4,592 |
Net Income (Loss) Attributable to Parent | (216) | $ 142 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | 76 | (449) |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | $ 8 | 0 |  |
Non-cash Settlement With Parent |  | $ 1,500 |  |
Dividends, Common Stock | $ 0.275 |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.275 | $ 0 |  |
Common Stock [Member] |  |  |  |
Changes In Shareholder's Equity [Line Items] |  |  |  |
Stockholders' Equity Attributable to Parent | $ 0 | $ 0 | 0 | $ 0
Net Income (Loss) Attributable to Parent | 0 | 0 |  |
Change In Parent Net Investment |  | 0 |  |
Proceeds from Contributions from Parent |  | 0 |  |
Reclass of Parent Net Investment And Issuance of Shares With Separation |  | 0 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | 0 | 0 |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | 0 | 0 |  |
Dividends | 0 |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | 0 | 0 |  |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | 0 |  |  |
Adjustments to Additional Paid in Capital, Other | 0 |  |  |
Noncontrolling Interest, Period Increase (Decrease) |  | 0 |  |
Additional Paid-in Capital [Member] |  |  |  |
Changes In Shareholder's Equity [Line Items] |  |  |  |
Stockholders' Equity Attributable to Parent | 3,952 | 3,865 | 3,942 | 0
Net Income (Loss) Attributable to Parent | 0 | 0 |  |
Change In Parent Net Investment |  | 0 |  |
Proceeds from Contributions from Parent |  | 228 |  |
Reclass of Parent Net Investment And Issuance of Shares With Separation |  | 3,637 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | 0 | 0 |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | 0 | 0 |  |
Dividends | 0 |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | 0 | 0 |  |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | 6 |  |  |
Adjustments to Additional Paid in Capital, Other | 4 |  |  |
Noncontrolling Interest, Period Increase (Decrease) |  | 0 |  |
Retained Earnings [Member] |  |  |  |
Changes In Shareholder's Equity [Line Items] |  |  |  |
Stockholders' Equity Attributable to Parent | 492 | 77 | 734 | 0
Net Income (Loss) Attributable to Parent | (216) | 77 |  |
Change In Parent Net Investment |  | 0 |  |
Proceeds from Contributions from Parent |  | 0 |  |
Reclass of Parent Net Investment And Issuance of Shares With Separation |  | 0 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | 0 | 0 |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | 0 | 0 |  |
Dividends | (26) |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | 0 | 0 |  |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | 0 |  |  |
Adjustments to Additional Paid in Capital, Other | 0 |  |  |
Noncontrolling Interest, Period Increase (Decrease) |  | 0 |  |
Parent Net Investment [Member] |  |  |  |
Changes In Shareholder's Equity [Line Items] |  |  |  |
Stockholders' Equity Attributable to Parent | 0 | 0 | 0 | 4,452
Net Income (Loss) Attributable to Parent | 0 | 65 |  |
Change In Parent Net Investment |  | (880) |  |
Proceeds from Contributions from Parent |  | 0 |  |
Reclass of Parent Net Investment And Issuance of Shares With Separation |  | (3,637) |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | 0 | 0 |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | 0 | 0 |  |
Dividends | 0 |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | 0 | 0 |  |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | 0 |  |  |
Adjustments to Additional Paid in Capital, Other | 0 |  |  |
Noncontrolling Interest, Period Increase (Decrease) |  | 0 |  |
AOCI Attributable to Parent [Member] |  |  |  |
Changes In Shareholder's Equity [Line Items] |  |  |  |
Stockholders' Equity Attributable to Parent | (336) | (725) | (397) | (276)
Net Income (Loss) Attributable to Parent | 0 | 0 |  |
Change In Parent Net Investment |  | 0 |  |
Proceeds from Contributions from Parent |  | 0 |  |
Reclass of Parent Net Investment And Issuance of Shares With Separation |  | 0 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax |  | (447) |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | (10) | (2) |  |
Dividends | 0 |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | 0 | 0 |  |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | 0 |  |  |
Adjustments to Additional Paid in Capital, Other | 0 |  |  |
Noncontrolling Interest, Period Increase (Decrease) |  | 0 |  |
Parent [Member] |  |  |  |
Changes In Shareholder's Equity [Line Items] |  |  |  |
Stockholders' Equity Attributable to Parent | 4,108 | 3,217 | 4,279 | 4,176
Net Income (Loss) Attributable to Parent | (216) | 142 |  |
Change In Parent Net Investment |  | (880) |  |
Proceeds from Contributions from Parent |  | 228 |  |
Reclass of Parent Net Investment And Issuance of Shares With Separation |  | 0 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | 71 | (447) |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | (10) | (2) |  |
Dividends | (26) |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | 0 | 0 |  |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | 6 |  |  |
Adjustments to Additional Paid in Capital, Other | 4 |  |  |
Noncontrolling Interest, Period Increase (Decrease) |  | 0 |  |
Noncontrolling Interest [Member] |  |  |  |
Changes In Shareholder's Equity [Line Items] |  |  |  |
Stockholders' Equity Attributable to Noncontrolling Interest | 321 | 133 | 313 | 131
Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Nonredeemable | 13 | 17 |  |
Change In Parent Net Investment |  | 0 |  |
Proceeds from Contributions from Parent |  | 0 |  |
Reclass of Parent Net Investment And Issuance of Shares With Separation |  | 0 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | 4 | (1) |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | 0 | 0 |  |
Dividends | 0 |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | (9) | (16) |  |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | 0 |  |  |
Adjustments to Additional Paid in Capital, Other | 0 |  |  |
Noncontrolling Interest, Period Increase (Decrease) |  | 2 |  |
AOCI Including Portion Attributable to Noncontrolling Interest [Member] |  |  |  |
Changes In Shareholder's Equity [Line Items] |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 4,429 | 3,350 | $ 4,592 | $ 4,307
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | (203) | 159 |  |
Change In Parent Net Investment |  | (880) |  |
Proceeds from Contributions from Parent |  | 228 |  |
Reclass of Parent Net Investment And Issuance of Shares With Separation |  | 0 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | 75 | (448) |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | (10) | (2) |  |
Dividends | (26) |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | (9) | (16) |  |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | 6 |  |  |
Adjustments to Additional Paid in Capital, Other | $ 4 |  |  |
Noncontrolling Interest, Period Increase (Decrease) |  | $ 2 |  |

X
- Definition Change In Parent Net Investment + References No definition available. + Details
Name: | adnt_ChangeInParentNetInvestment
Namespace Prefix: | adnt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition [Line Items] for Changes In Shareholder's Equity [Table] + References No definition available. + Details
Name: | adnt_ChangesInShareholdersEquityLineItems
Namespace Prefix: | adnt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Non-cash Settlement With Parent + References No definition available. + Details
Name: | adnt_NoncashSettlementWithParent
Namespace Prefix: | adnt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reclass of Parent Net Investment And Issuance of Shares With Separation + References No definition available. + Details
Name: | adnt_ReclassofParentNetInvestmentAndIssuanceofSharesWithSeparation
Namespace Prefix: | adnt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of other increase (decrease) in additional paid in capital (APIC). + References No definition available. + Details
Name: | us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Changes in additional paid in capital related to exercise of share-based payments awards (such as stock options) and the amount of recognized equity-based compensation during the period (such as nonvested shares). + References No definition available. + Details
Name: | us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 + Details
Name: | us-gaap_Dividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(22)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(24)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_MinorityInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4568740-111683 + Details
Name: | us-gaap_MinorityInterestPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after income tax of income (loss) including the portion attributable to nonredeemable noncontrolling interest. Excludes the portion attributable to redeemable noncontrolling interest recognized as temporary equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (3) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 + Details
Name: | us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of income (loss) attributable to other nonredeemable noncontrolling equity holder. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.19) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsNonredeemable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b,c) -URI http://asc.fasb.org/extlink&oid=64808268&loc=d3e32211-110900 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from parent as a source of financing that is recorded as additional paid in capital. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromContributionsFromParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(31)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockholdersEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4590271-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4568740-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4568447-111683 + Details
Name: | us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AdditionalPaidInCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=adnt_ParentNetInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_ParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_NoncontrollingInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AociIncludingPortionAttributableToNoncontrollingInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |