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Goodwill and Other Intangible Assets | 3 Months Ended
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Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangible Assets |
5. Goodwill and Other Intangible Assets
The changes in the carrying amount of goodwill are as follows:
(in millions) |  | Americas |  | EMEA |  | Asia |  | Total |  |  |  |  |
Balance at September 30, 2025 |  | $ | 607 |  |  | $ | — |  |  | $ | 1,200 |  |  | $ | 1,807 |  |  |  |  |  |
Currency translation |  | (1) |  |  | — |  |  | 6 |  |  | 5 |  |  |  |  |  |
Balance at December 31, 2025 |  | $ | 606 |  |  | $ | — |  |  | $ | 1,206 |  |  | $ | 1,812 |  |  |  |  |  |
Due to the continued and sustained decline in the market value of its ordinary shares during the second quarter of fiscal 2025 resulting from the uncertainties surrounding future production volume within the automotive industry, a triggering event was identified requiring a quantitative impairment analysis as of March 31, 2025. As a result, a $333 million non-cash goodwill impairment was recorded in the EMEA reporting unit during the quarter ended March 31, 2025. No amounts of goodwill remain recorded in EMEA. Refer to Note 15, "Segment Information," of the notes to the consolidated financial statements for more information on Adient's reportable segments. Adient's other intangible assets, primarily from business acquisitions valued based on independent appraisals, consisted of:
|  | December 31, 2025 |  | September 30, 2025
(in millions) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net
Other intangible assets |  |  |  |  |  |  |  |  |  |  |  |
Patented technology |  | $ | 82 |  |  | $ | (48) |  |  | $ | 34 |  |  | $ | 81 |  |  | $ | (45) |  |  | $ | 36 |
Customer relationships |  | 547 |  |  | (279) |  |  | 268 |  |  | 537 |  |  | (265) |  |  | 272 |
Other |  | 15 |  |  | (4) |  |  | 11 |  |  | 15 |  |  | (4) |  |  | 11 |
Total other intangible assets |  | $ | 644 |  |  | $ | (331) |  |  | $ | 313 |  |  | $ | 633 |  |  | $ | (314) |  |  | $ | 319 |
Amortization of other intangible assets for the three months ended December 31, 2025 and 2024 was $11 million and $11 million, respectively.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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