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Related Party Transactions - Receivables from and Payables to Affiliates (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Current receivables from affiliates: |  |
Receivable from affiliates | $ 18.5 | $ 4.5
Current payables to affiliates: |  |
Payable to affiliates | 18.8 | 27.6
Contran |  |
Current receivables from affiliates: |  |
Contran trade items | 0.1 | 1.7
Current payables to affiliates: |  |
Contran income taxes | 1.5 | 8.3
Noncurrent payable to affiliates: |  |
Contran - income taxes | 44.5 | 50.4
LPC |  |
Current receivables from affiliates: |  |
Receivable from affiliates | 15.8 |
Current payables to affiliates: |  |
Payable to affiliates | 17.3 | 19.3
VALHI, INC. | Contran | Credit Facility. |  |
Noncurrent payable to affiliates: |  |
Payables to affiliate included in long-term debt | 172.9 | 270.7
Other Affiliates |  |
Current receivables from affiliates: |  |
Receivable from affiliates | $ 2.6 | $ 2.8

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