XML 95 R85.htm IDEA: XBRL DOCUMENT v3.10.0.1

Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disaggregation Of Revenue [Line Items]
Sales	$ 576	$ 581
Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	553	550
Intermediates and Solvents [Member]
Disaggregation Of Revenue [Line Items]
Sales	23	$ 31
North America [Member] | Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	219
North America [Member] | Intermediates and Solvents [Member]
Disaggregation Of Revenue [Line Items]
Sales	11
Europe [Member] | Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	170
Europe [Member] | Intermediates and Solvents [Member]
Disaggregation Of Revenue [Line Items]
Sales	5
Asia Pacific | Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	116
Asia Pacific | Intermediates and Solvents [Member]
Disaggregation Of Revenue [Line Items]
Sales	6
Latin America & Other [Member] | Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	48
Latin America & Other [Member] | Intermediates and Solvents [Member]
Disaggregation Of Revenue [Line Items]
Sales	1
Cellulosics [Member] | Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	189
Poly-vinyl pyrrolidones [Member] | Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	95
Adhesives [Member] | Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	82
Actives [Member] | Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	37
Vinyl Ethers [Member] | Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	24
Other [Member] | Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	67
Pharmachem [Member] | Specialty Ingredients [Member]
Disaggregation Of Revenue [Line Items]
Sales	59
Derivatives [Member] | Intermediates and Solvents [Member]
Disaggregation Of Revenue [Line Items]
Sales	20
Butanediol [Member] | Intermediates and Solvents [Member]
Disaggregation Of Revenue [Line Items]
Sales	$ 3

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=ash_SpecialtyIngredientsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=ash_IntermediatesAndSolventsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=srt_NorthAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=srt_EuropeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=srt_AsiaPacificMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=ash_LatinAmericaAndOtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=ash_CellulosicsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=ash_PolyvinylpyrrolidonesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=ash_AdhesivesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=ash_ActivesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=ash_VinylEthersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=ash_OtherProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=ash_PharmachemMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=ash_DerivativesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ash_ProductsTypeAxis=ash_ButanediolMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: