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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Mar. 31, 2022
Goodwill And Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill Balances | The carrying amount of goodwill attributable to each reportable segment with goodwill balances and the changes in those balances during the six months ended March 31, 2022 are as follows:
|  | Reinforcement Materials |  |  | Performance Chemicals |  |  | Total |
|  | (In millions) |
Balance at September 30, 2021 |  | $ | 48 |  |  | $ | 92 |  |  | $ | 140 |
Foreign currency impact |  |  | — |  |  |  | 1 |  |  |  | 1 |
Balance at March 31, 2022 |  | $ | 48 |  |  | $ | 93 |  |  | $ | 141 |
Schedule of Intangible Assets | The following table provides information regarding the Company’s intangible assets:
|  | March 31, 2022 |  |  | September 30, 2021 |
|  | Gross Carrying Value |  |  | Accumulated Amortization |  |  | Net Intangible Assets |  |  | Gross Carrying Value |  |  | Accumulated Amortization |  |  | Net Intangible Assets |
|  | (In millions) |
Intangible assets with finite lives |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technologies |  | $ | 36 |  |  | $ | (7 | ) |  | $ | 29 |  |  | $ | 62 |  |  | $ | (12 | ) |  | $ | 50 |
Trademarks |  |  | 3 |  |  |  | (1 | ) |  |  | 2 |  |  |  | 11 |  |  |  | (1 | ) |  |  | 10 |
Customer relationships |  |  | 61 |  |  |  | (22 | ) |  |  | 39 |  |  |  | 60 |  |  |  | (20 | ) |  |  | 40 |
Total intangible assets |  | $ | 100 |  |  | $ | (30 | ) |  | $ | 70 |  |  | $ | 133 |  |  | $ | (33 | ) |  | $ | 100 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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