XML 40 R30.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Goodwill and Other Intangibles (Tables) | 3 Months Ended
--- | ---
Dec. 31, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Summary of Goodwill by Reportable Segment | The following is a progression of goodwill by reportable segment for the three months ended December 31, 2018.
| Specialty |  |  | Intermediates |  |  |  |  |
(In millions) | Ingredients |  |  | and Solvents |  | (a) | Total |
Balance at September 30, 2018 | $ | 2,304 |  |  | $ | — |  |  | $ | 2,304 |
Acquisitions |  | — |  |  |  | — |  |  |  | — |
Currency translation |  | (15 | ) |  |  | — |  |  |  | (15 | )
Balance at December 31, 2018 | $ | 2,289 |  |  | $ | — |  |  | $ | 2,289 |
| (a) | As of December 31, 2018 and September 30, 2018, there was accumulated impairment of $90 million related to the Intermediates and Solvents reportable segment. |
Summary of Intangible Assets | Intangible assets were comprised of the following as of December 31, 2018 and September 30, 2018.
| December 31, 2018 |
| Gross |  |  |  |  |  |  | Net |
| carrying |  |  | Accumulated |  |  | carrying |
(In millions) | amount |  |  | amortization |  |  | amount |
Definite-lived intangibles |  |  |  |  |  |  |  |  |  |  |
Trademarks and trade names | $ | 66 |  |  | $ | (25 | ) |  | $ | 41 |
Intellectual property |  | 718 |  |  |  | (360 | ) |  |  | 358 |
Customer and supplier relationships |  | 753 |  |  |  | (271 | ) |  |  | 482 |
Total definite-lived intangibles |  | 1,537 |  |  |  | (656 | ) |  |  | 881 |
Indefinite-lived intangibles |  |  |  |  |  |  |  |  |  |  |
Trademarks and trade names |  | 278 |  |  |  | — |  |  |  | 278 |
Total intangible assets | $ | 1,815 |  |  | $ | (656 | ) |  | $ | 1,159 |
| September 30, 2018 |
| Gross |  |  |  |  |  |  | Net |
| carrying |  |  | Accumulated |  |  | carrying |
(In millions) | amount |  |  | amortization |  |  | amount |
Definite-lived intangibles |  |  |  |  |  |  |  |  |  |  |
Trademarks and trade names | $ | 66 |  |  | $ | (25 | ) |  | $ | 41 |
Intellectual property |  | 721 |  |  |  | (350 | ) |  |  | 371 |
Customer and supplier relationships |  | 759 |  |  |  | (264 | ) |  |  | 495 |
Total definite-lived intangibles |  | 1,546 |  |  |  | (639 | ) |  |  | 907 |
Indefinite-lived intangibles |  |  |  |  |  |  |  |  |  |  |
Trademarks and trade names |  | 278 |  |  |  | — |  |  |  | 278 |
Total intangible assets | $ | 1,824 |  |  | $ | (639 | ) |  | $ | 1,185 |

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite and infinite life, by major class. + References No definition available. + Details
Name: | ash_ScheduleofFiniteLivedInfiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | ash_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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=108376223&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=108376223&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration