DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details)			3 Months Ended	9 Months Ended
	Aug. 04, 2025 USD ($) $ / shares	Jan. 30, 2025 USD ($) $ / shares shares	Mar. 31, 2025 $ / shares shares	Sep. 30, 2025 USD ($) $ / shares shares	Dec. 31, 2024 $ / shares
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS
Proceeds from private warrants and private units \| $				$ 2,483,000
Aggregate purchase price \| $				$ 100,000
Par value of share \| $ / shares		$ 0.0001		$ 0.0001	$ 0.0001
Ratio of share per right		0.1
Minimum aggregate fair market value as a percentage of the net assets held in the trust account				80.00%
Threshold percentage of outstanding voting securities of the target to be acquired by post-transaction company to complete business combination				50.00%
Proceeds from issuance of units in IPO and private placement \| $		$ 8,080,000
Price per share \| $ / shares		$ 10.1
Threshold percentage of shares redeemed without prior written consent of entity				15.00%
Threshold business days for redemption of Public Shares				10 days
Percentage of outstanding shares will be redeemed				100.00%
Maximum funds withdrawn annually for working capital purposes \| $				$ 1,200,000
Maximum dissolution expenses \| $				$ 100,000
BOXABL
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS
Consideration \| $	$ 3,500,000,000
Deemed value per share \| $ / shares	$ 10
Public offering
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS
Number of units offered		8,000,000	8,000,000	8,000,000
Price per unit \| $ / shares		$ 10	$ 10	$ 10
Number of shares per unit		1
Number of right per unit		1
Ratio of share per right		0.1
Selling price per unit \| $ / shares		$ 10
Gross proceeds from issuance of common stock \| $		$ 80,000,000
Private placement
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS
Number of units offered			248,300	248,300
Price per unit \| $ / shares		$ 15
Number of warrants			1,000,000	1,000,000
Exercise price of warrants \| $ / shares		$ 15	$ 15	$ 15
Exercisable period of warrants (in years)		10 years
Number of shares per warrant		1
Private placement \| Related party
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS
Price per unit \| $ / shares		$ 10
Proceeds from private warrants and private units \| $		$ 2,483,000
Number of shares per unit		1
Number of right per unit		1
Private placement \| Related party \| Ramnaraine Jaigobind
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS
Number of units offered		25,000
Private placement \| Sponsor
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS
Number of units offered		223,300
Number of warrants		1,000,000
Exercise price of warrants \| $ / shares		$ 0.1
Number of shares per warrant		1
Aggregate purchase price \| $		$ 100,000

FG Merger II Corp. 10-Q