v3.26.1

Document And Entity Information	12 Months Ended
Document And Entity Information	Dec. 31, 2025
Document Information [Line Items]
Document Type	S-1/A
Entity Registrant Name	Texas Precious Metals Trust
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	27-0724963
Entity Address, Address Line One	Three Main Street Suite 215
Entity Address, City or Town	Burlington
Entity Address, State or Province	VT
Entity Address, Postal Zip Code	05401
City Area Code	802
Local Phone Number	540-0019
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Amendment Description	Texas Precious Metals Trust is filing this Pre-Effective Amendment No. 4 (“Amendment No. 4”) to its Registration Statement on Form S-1 (333-290494), originally filed on September 24, 2025 (the “Registration Statement”), as an exhibit-only filing solely to add an exhibit to the Registration Statement as set forth in the exhibit index. This Amendment No. 4 consists only of the facing page, this explanatory note, Part II of the Registration Statement, the signature page to the Registration Statement, the exhibit index and the exhibits being filed with this Amendment No. 4. Part I of the Registration Statement is unchanged and has been omitted.
Entity Central Index Key	0002087989
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	FY
Amendment Flag	true

Description of changes contained within amended document.

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This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.

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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.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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Address Line 1 such as Attn, Building Name, Street Name

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Name of the City or Town

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

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Local phone number for entity.

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Texas Precious Metals Trust S-1/A