Huntsman Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 7 - Investment in Unconsolidated Affiliates (Details Textual)

v3.20.4

Note 7 - Investment in Unconsolidated Affiliates (Details Textual) - USD ($) shares in Millions, $ in Millions		12 Months Ended
	Dec. 23, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Equity Securities, FV-NI		$ 32	$ 0
Venator Materials PLC [Member]
Equity Method Investment, Ownership Percentage				49.00%
Venator Materials PLC [Member] \| Other Noncurrent Assets [Member]
Equity Securities, FV-NI		$ 32
Venator Materials PLC [Member] \| SK Capital Partners, LP [Member]
Equity Method Investment Using Fair Value Option, Number of Shares Sold (in shares)	42.4	42.4
BASF Huntsman Shanghai Isocyanate Investment BV [Member]
Equity Method Investment, Ownership Percentage		50.00%	50.00%
BASF Huntsman Shanghai Isocyanate Investment BV [Member] \| SLIC [Member]
Ownership Interest Held by Equity Method Investee		70.00%
Indirect Ownership Percentage		35.00%

- Definition

Represents the number of shares sold of an equity investment accounted for under the fair value option.

+ References

No definition available.

+ Details

Name:	hun_EquityMethodInvestmentUsingFairValueOptionNumberOfSharesSold
Namespace Prefix:	hun_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the indirect ownership interest percentage in an unaffiliated entity. The unaffiliated entity is accounted for as a consolidated subsidiary of an equity method investee of the reporting entity.

+ References

No definition available.

+ Details

Name:	hun_IndirectOwnershipPercentage
Namespace Prefix:	hun_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the ownership interest held by an equity method investee of the entity in an unaffiliated entity which creates an indirect ownership interest between the reporting entity and the unaffiliated entity.

+ References

No definition available.

+ Details

Name:	hun_OwnershipInterestHeldByEquityMethodInvestee
Namespace Prefix:	hun_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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Data Type:	na
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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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- Details

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