XML 84 R74.htm IDEA: XBRL DOCUMENT
v3.25.2

Fair value measurements and financial instruments - Additional Information (Details) - Kronos Worldwide - EUR (€) | Jun. 30, 2025 | Dec. 31, 2024 | Feb. 12, 2024
--- | --- | --- | ---
9.50% Senior Secured Notes due 2029 |  |  |
Fair value measurements and financial instruments |  |  |
Interest rate |  |  | 9.50%
9.50% Senior Secured Notes due 2029 | Kronos International, Inc |  |  |
Fair value measurements and financial instruments |  |  |
Interest rate | 9.50% | 9.50% |
Estimated market price of the notes | € 1,079 |  |
Principal amount of debt instrument | € 1,000 |  |
3.75% Senior Secured Notes due 2025 | Kronos International, Inc |  |  |
Fair value measurements and financial instruments |  |  |
Interest rate | 3.75% | 3.75% |
Estimated market price of the notes | € 999 |  |
Principal amount of debt instrument | € 1,000 |  |

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The market price or dollar value of a bond traded in open markets, reflecting any premium or discount to par value. + References No definition available. + Details
Name: | vhi_BondMarketPrice
Namespace Prefix: | vhi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The nominal value (par value) or dollar value of a bond paid to the holder at maturity. + References No definition available. + Details
Name: | vhi_BondParValue
Namespace Prefix: | vhi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financial instrument at fair value. + References No definition available. + Details
Name: | vhi_FinancialInstrumentAtFairValueLineItems
Namespace Prefix: | vhi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=vhi_KronosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=vhi_NinePointFiveZeroPercentageSeniorSecuredNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=vhi_KronosInternationalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=vhi_ThreePointSevenFivePercentageSeniorSecuredNotesDueSeptemberTwoThousandTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |