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Related Parties - Schedule of Feedstock Purchased Cost of Goods Sold (Details) - Slagger - Advanced Metal Industries Cluster Company Limited - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Related Party Transaction [Line Items]
Purchases of feedstock material	$ 16	$ 27	$ 62	$ 27
Purchases Of Feedstock Material, Settled As In-Kind Repayment Of Tronox Loans
Related Party Transaction [Line Items]
Purchases of feedstock material	10	27	40	27
Purchases Of Feedstock Material, Settled In Cash
Related Party Transaction [Line Items]
Purchases of feedstock material	$ 6	$ 0	$ 22	$ 0

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- Definition

Amount of transactions with related party during the financial reporting period.

+ References

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-Topic 850
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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