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Accumulated Other Comprehensive Loss Attributable to Tronox Holdings plc and Other Equity Items - Narrative (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2026 | Feb. 21, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |
Shares authorized for repurchase |  | $ 300,000,000
Stock repurchased during period | $ 0 |

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