Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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

- Definition

Represents the number of states in which the court dismissed a claim.

+ References

No definition available.

+ Details

Name:	vntr_LossContingencyNumberOfStatesInWhichClaimsDismissed
Namespace Prefix:	vntr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of states in which Plaintiffs have raised claims.

+ References

No definition available.

+ Details

Name:	vntr_LossContingencyNumberOfStatesInWhichPlaintiffsHaveRaisedClaims
Namespace Prefix:	vntr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Sum of the U.S. operations and certain foreign subsidiaries carrying amounts as of the balance sheet date of all assets that are recognized, excluding intercompany amounts.

+ References

No definition available.

+ Details

Name:	vntr_UnitedStatesOperationsAndCertainForeignSubsidiariesTotalAssets
Namespace Prefix:	vntr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	dei_LegalEntityAxis=vntr_CombinedDivisionsOfHuntsmanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=vntr_StateAntitrustClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=vntr_ConsumerProtectionClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=vntr_UnjustEnrichmentClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

COMMITMENTS AND CONTINGENCIES - LEGAL MATTERS (Details) - Combined Divisions of Huntsman $ in Millions	Jun. 13, 2016 state	Sep. 29, 2015 state	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
LEGAL MATTERS
Third-party debt outstanding \| $			$ 3,746	$ 3,793
U.S. Operations and certain foreign subsidiaries total assets, excluding intercompany accounts \| $			$ 462	$ 502
State Antitrust Claims
LEGAL MATTERS
Number of states in which Plaintiffs have raised claims		15
Consumer Protection Claims
LEGAL MATTERS
Number of states in which Plaintiffs have raised claims		9
Number of states in which claim was dismissed	1
Unjust Enrichment Claims
LEGAL MATTERS
Number of states in which Plaintiffs have raised claims		16