Organization and Business Operations (Details) - USD ($)		6 Months Ended
	Oct. 31, 2025	Dec. 31, 2025
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Share price (in Dollars per share)		$ 10
Gross proceeds from initial public offering		$ 197,225,000
Transaction costs		12,690,485
Cash underwriting fee		4,025,000
Deferred underwriting fee		8,050,000
Other offering costs		$ 615,485
Percentage of fair market value of net balance in trust account in the initial business combination		80.00%
Post transaction ownership percentage		50.00%
Investment maturity term	185 days
Percentage of interest	10.00%
Dissolution expenses	$ 100,000	$ 100,000
Shares redemption percentage	100.00%	100.00%
Incorporated date		Jun. 20, 2025
Year of inception		June 20, 2025 (inception) through December 31, 2025
Private Placement Warrants [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Sale of warrant (in Shares)	6,275,000
Number of warrants issued	6,275,000
Warrant exercise price per share (in Dollars per share)	$ 1
Sponsor [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Gross proceeds from warrant	$ 6,275,000
Sponsor [Member] \| Private Placement Warrants [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of warrants issued	4,262,500
Cohen & Company Capital Markets (CCM) [Member] \| Private Placement Warrants [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of warrants issued	2,012,500
Class A Ordinary Shares [Member] \| Private Placement Warrants [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Warrant exercise price per share (in Dollars per share)	$ 11.5	$ 11.5
Initial Public Offering [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Net proceeds	$ 201,250,000
Number of units issued	20,125,000
Price per share (in Dollars per share)	$ 10
Initial Public Offering [Member] \| Class A Ordinary Shares [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of units issued	20,125,000
Warrant exercise price per share (in Dollars per share)	$ 11.5
Over-Allotment Option [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of units issued	2,625,000
Price per share (in Dollars per share)	$ 10
Over-Allotment Option [Member] \| Class A Ordinary Shares [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Share price (in Dollars per share)	$ 10
Gross proceeds from initial public offering	$ 201,250,000
Number of units issued	2,625,000
Public Shares [Member] \| Sponsor [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Share price (in Dollars per share)		$ 10

Dynamix Corp III 10-K