Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2023	Apr. 01, 2024	Jun. 30, 2023
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2023
Document Fiscal Year Focus	2023
Entity File Number	001-41519
Entity Interactive Data Current	Yes
Amendment Flag	false
Document Fiscal Period Focus	FY
Entity Registrant Name	DMY SQUARED TECHNOLOGY GROUP, INC.
Entity Central Index Key	0001915380
Entity Tax Identification Number	88-0748933
Entity Incorporation, State or Country Code	MA
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Shell Company	true
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Address, Address Line One	80 North Town Center Drive
Entity Address, Address Line Two	Suite 100
Entity Address, City or Town	Las Vegas
Entity Address, State or Province	NV
Entity Address, Postal Zip Code	89144
City Area Code	702
Local Phone Number	781-4313
Title of 12(b) Security	Class A Common Stock, par value $0.0001 pershare
Trading Symbol	DMYY
Security Exchange Name	NYSEAMER
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Public Float			$ 64,896,130
ICFR Auditor Attestation Flag	false
Auditor Name	WithumSmith+Brown, PC
Auditor Firm ID	100
Auditor Location	New York, New York
Document Financial Statement Error Correction [Flag]	false
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,338,586
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		1,579,750
Units, each consisting of one share of Class A common stock and one-half of one redeemable warrant [Member]
Document Information [Line Items]
Title of 12(b) Security	Units, each consisting of one share of Class A common stock, par value $0.0001 per share, and one-half of one redeemable warrant
Trading Symbol	DMYY.U
Security Exchange Name	NYSEAMER
Redeemable warrants, each whole warrant exercisable for one share of Class A common stock, each at an exercise price of $11.50 per share [Member]
Document Information [Line Items]
Title of 12(b) Security	Redeemable Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50
Trading Symbol	DMYY.WS
Security Exchange Name	NYSEAMER