v3.25.3

Document And Entity Information	Oct. 14, 2025
Document Information Line Items
Entity Central Index Key	0002085408
Document Type	S-1
Entity Registrant Name	General Purpose Acquisition Corp.
Entity Address, Address Line One	59 Front Street
Entity Address, City or Town	Millbrook
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	12545
City Area Code	646
Local Phone Number	387-7129
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Amendment Flag	false
Business Contact [Member]
Document Information Line Items
Entity Address, Address Line One	59 Front Street
Entity Address, City or Town	Millbrook
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	12545
City Area Code	646
Local Phone Number	387-7129
Contact Personnel Name	Peter C. Georgiopoulos

Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

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No definition available.

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- Definition

Area code of city

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- Definition

Name of contact personnel

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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.

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No definition available.

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- Definition

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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No definition available.

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- Definition

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

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Name of the City or Town

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No definition available.

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- Definition

Code for the postal or zip code

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No definition available.

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Name of the state or province.

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No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Indicate if registrant meets the emerging growth company criteria.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Indicate if an emerging growth company has elected not to use the extended transition period for complying with any new or revised financial accounting standards.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Securities Act
-Number 7A
-Section B
-Subsection 2

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2

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- Definition

Indicates that the company is a Smaller Reporting Company (SRC).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Local phone number for entity.

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No definition available.

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General Purpose Acquisition Corp. S-1