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Revenue (Tables) | 12 Months Ended
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Sep. 30, 2019
Revenue From Contract With Customer [Abstract] |
Disaggregation of Revenue | Ashland disaggregates its revenue from contracts with customers by segment, geographical region and product category, as Ashland believes these categories best depict how management reviews the financial performance of its operations for the twelve months ended September 30, 2019, 2018 and 2017. Ashland includes only U.S. and Canada in its North America designation. See the following tables for details:
Sales by geography |
(In millions) |  | Specialty Ingredients |  |  | Intermediates and Solvents |
Geography |  | 2019 |  |  | 2018 |  |  | 2017 |  |  | 2019 |  |  | 2018 |  |  | 2017 |
Twelve Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
North America |  | $ | 945 |  |  | $ | 988 |  |  | $ | 883 |  |  | $ | 58 |  |  | $ | 58 |  |  | $ | 34 |
Europe |  |  | 779 |  |  |  | 806 |  |  |  | 683 |  |  |  | 23 |  |  |  | 24 |  |  |  | 21 |
Asia Pacific |  |  | 458 |  |  |  | 454 |  |  |  | 432 |  |  |  | 25 |  |  |  | 31 |  |  |  | 32 |
Latin America & other |  |  | 200 |  |  |  | 222 |  |  |  | 218 |  |  |  | 5 |  |  |  | 6 |  |  |  | 6 |
|  | $ | 2,382 |  |  | $ | 2,470 |  |  | $ | 2,216 |  |  | $ | 111 |  |  | $ | 119 |  |  | $ | 93 |
Sales by product category |
(In millions) |  | 2019 |  |  | 2018 |  |  | 2017 |
Twelve Months Ended |  |  |  |  |  |  |  |  |  |  |  |
Specialty Ingredients |  |  |  |  |  |  |  |  |  |  |  |
Cellulosics |  | $ | 839 |  |  | $ | 837 |  |  | $ | 794 |
Poly-vinyl pyrrolidones |  |  | 413 |  |  |  | 422 |  |  |  | 402 |
Adhesives |  |  | 345 |  |  |  | 351 |  |  |  | 336 |
Actives |  |  | 156 |  |  |  | 153 |  |  |  | 128 |
Vinyl ethers |  |  | 106 |  |  |  | 139 |  |  |  | 139 |
Pharmachem |  |  | 231 |  |  |  | 248 |  |  |  | 104 |
Other (a) |  |  | 292 |  |  |  | 320 |  |  |  | 313 |
|  | $ | 2,382 |  |  | $ | 2,470 |  |  | $ | 2,216 |
Intermediates and Solvents |  |  |  |  |  |  |  |  |  |  |  |
Derivatives |  | $ | 92 |  |  | $ | 99 |  |  | $ | 77 |
Butanediol |  |  | 19 |  |  |  | 20 |  |  |  | 16 |
|  | $ | 111 |  |  | $ | 119 |  |  | $ | 93 |
Total |  | $ | 2,493 |  |  | $ | 2,589 |  |  | $ | 2,309 |
(a) | Other includes no product category in excess of 10% of sales.

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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