Plant Capacity

No definition available.

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- Definition

Restructuring Charges, Cash Charges

+ References

No definition available.

+ Details

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Namespace Prefix:	trox_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Restructuring Charges, Non-Cash

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount expected to be recognized in earnings for the specified restructuring cost.

+ References

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

The expected number of positions to be eliminated as a result of restructuring activities.

+ References

No definition available.

+ Details

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Balance Type:
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- 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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- Details

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Restructuring and Other Charges - Narrative (Details) $ in Millions	1 Months Ended	3 Months Ended
	Mar. 31, 2025 USD ($) employee T	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Restructuring Cost and Reserve [Line Items]
Plant capacity \| T	90,000
Number of employees impacted \| employee	240
Cash charges		$ 32
Non-cash charges		54
Restructuring reserve	$ 19	19	$ 0
Accrued Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	11	11
Other Long-term Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	8	8
Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges, expected cost	130	130
Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges, expected cost	160	160
Idling activities
Restructuring Cost and Reserve [Line Items]
Cash charges		6
Idling activities \| Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges, expected cost	55	55
Idling activities \| Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges, expected cost	$ 65	65
Severance and employee benefits
Restructuring Cost and Reserve [Line Items]
Cash charges		8
Asset retirement obligation adjustments
Restructuring Cost and Reserve [Line Items]
Cash charges		11
Contract abandonment and other charges
Restructuring Cost and Reserve [Line Items]
Cash charges		$ 7