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Long-Term Debt - Revolving Credit Facility - Additional Information (Detail) - 9 months ended Sep. 30, 2020 € in Millions, $ in Millions | USD ($) | EUR (€)
--- | --- | ---
Line Of Credit Facility [Line Items] |  |
Revolving credit facility, borrowings | $ 0.0 |
European Revolving Credit Facility | Kronos Worldwide, Inc. |  |
Line Of Credit Facility [Line Items] |  |
Amount available for borrowing | 105.6 | € 90.0
Revolving credit facility, borrowings | 0.0 |
Repayment of credit facility | 0.0 |
North American Revolving Credit Facility | Kronos Worldwide, Inc. |  |
Line Of Credit Facility [Line Items] |  |
Amount available for borrowing | 125.0 |
Revolving North American Credit Facility | Kronos Worldwide, Inc. |  |
Line Of Credit Facility [Line Items] |  |
Revolving credit facility, borrowings | 0.0 |
Repayment of credit facility | $ 0.0 |

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- 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
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Details
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- Details
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- Details
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- Details
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