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Commitments and Contingencies (Details) - USD ($) $ in Millions |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Apr. 18, 2022 | Jun. 30, 2019 | May 31, 2019 | Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] |  |  |  |  |  |
Purchase commitments remainder of 2023 |  |  |  | $ 293 |  |
Purchase commitments for 2024 |  |  |  | 174 |  |
Purchase commitments for 2025 |  |  |  | 159 |  |
Purchase commitments for 2026 |  |  |  | 158 |  |
Purchase commitments for 2027 |  |  |  | 164 |  |
Purchase commitments due thereafter |  |  |  | 1,559 |  |
Commitments and Contingencies [Abstract] |  |  |  |  |  |
Loss contingency |  |  |  | 109 |  |
Loss contingency provision |  |  |  | 42 |  |
Venator settlement |  |  |  | 0 | $ 85 | $ 85
Venator Materials PLC VS. Tronox Limited |  |  |  |  |  |
Commitments and Contingencies [Abstract] |  |  |  |  |  |
Damages sought |  | $ 400 |  |  |  |
Cristal, North America TiO2 Business | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |
Commitments and Contingencies [Abstract] |  |  |  |  |  |
Proceeds from divestiture of business, net of transaction costs |  | $ 701 |  |  |  |
Venator Materials PLC | Venator Materials PLC VS. Tronox Limited |  |  |  |  |  |
Commitments and Contingencies [Abstract] |  |  |  |  |  |
Damages sought |  |  | $ 75 |  |  |
Venator settlement | $ 85 |  |  |  |  |
Wells Fargo Revolver | Letters of Credit |  |  |  |  |  |
Commitments and Contingencies [Abstract] |  |  |  |  |  |
Loss contingency |  |  |  | 70 |  |
Absa Revolver | Bank Guarantees |  |  |  |  |  |
Commitments and Contingencies [Abstract] |  |  |  |  |  |
Loss contingency |  |  |  | 39 |  |
Hawkins Point | Bank Guarantees |  |  |  |  |  |
Commitments and Contingencies [Abstract] |  |  |  |  |  |
Loss contingency |  |  |  | $ 50 |  |

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- Definition The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 55 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=6571209&loc=d3e13644-110860 Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=109237650&loc=d3e13064-110858 Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 12 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13296-110859 + Details
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- Definition Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308 + Details
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