Noncontrolling Interest (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Noncontrolling Interest [Line Items]
Percentage of exchange interest in additional shares	3.20%
Noncontrolling interest activity [Roll Forward]
Balance, beginning of period	$ 144	$ 112
Net income (loss) attributable to noncontrolling interest	3	(1)
Effect of exchange rate changes	6	13
Balance, end of period	$ 153	$ 124
Tronox KZN Sands (Pty) Ltd. [Member]
Noncontrolling Interest [Line Items]
Retained ownership interest	26.00%
Tronox Mineral Sands (Pty) Ltd. [Member]
Noncontrolling Interest [Line Items]
Retained ownership interest	26.00%
Other Non-Operating Subsidiaries [Member]
Noncontrolling Interest [Line Items]
Retained ownership interest	26.00%

Refers to percentage of exchange interest in additional shares under certain circumstances.

No definition available.

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- Definition

Refers to retained ownership interest in the entity.

+ References

No definition available.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(22))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Name Accounting Standards Codification
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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.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4J
-URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591551-111686

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- Definition

Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to noncontrolling interests.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4569643-111683

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