Related Party Transactions - Additional Information (Detail)				9 Months Ended	12 Months Ended
	Jan. 07, 2026 USD ($)	Sep. 29, 2023 USD ($) Demands Warrant	Jul. 28, 2023 USD ($)	Sep. 30, 2026 USD ($) $ / shares shares	Dec. 31, 2023 USD ($)	Jan. 06, 2026	Dec. 31, 2025 USD ($)
Related Party Transaction [Line Items]
Restricted cash and cash equivalents non current				$ 5,001,000			$ 5,001,000
Warrants or rights outstanding term				10 years
Warrants liability reduced	$ 2,000,000
Forward purchase agreements value				$ 3,500,000,000
Due from Related Party				7,584
Committed Forward Purchase [Member] | Minimum [Member]
Related Party Transaction [Line Items]
Forward purchase agreements value				250,000,000
Committed Forward Purchase [Member] | Maximum [Member]
Related Party Transaction [Line Items]
Forward purchase agreements value				$ 1,000,000,000
Forward Purchase Agreement [Member] | Committed Forward Purchase [Member]
Related Party Transaction [Line Items]
Lock in period of shares issued from the date of consummation of business combination		180 days
Forward Purchase Agreement [Member] | Committed Forward Purchase [Member] | Minimum [Member]
Related Party Transaction [Line Items]
Class of warrants or rights exercise price per share | $ / shares				$ 10
Forward Purchase Agreement [Member] | Committed Forward Purchase [Member] | Maximum [Member]
Related Party Transaction [Line Items]
Class of warrants or rights exercise price per share | $ / shares				$ 40
Independent Director One [Member] | Compensation To Independent Director [Member]
Related Party Transaction [Line Items]
Annual compensation payable				$ 275,000
Sitting fee payable				25,000
Independent Director Two [Member] | Compensation To Independent Director [Member]
Related Party Transaction [Line Items]
Annual compensation payable				275,000
Sitting fee payable				25,000
Independent Director Three [Member] | Compensation To Independent Director [Member]
Related Party Transaction [Line Items]
Annual compensation payable				275,000
Sitting fee payable				25,000
Sponsor Warrants [Member]
Related Party Transaction [Line Items]
Warrants and rights outstanding				$ 42,829,943			41,279,681
Special Purpose Acquisition Rights [Member]
Related Party Transaction [Line Items]
Estimated warrants outstanding for calculation purpose | shares				60,971,299
Estimated warrants value outstanding for calculation purpose				$ 1,219,425,980
Proration fraction maximum				1
Advisory Warrants [Member]
Related Party Transaction [Line Items]
Warrants and rights outstanding				$ 2,000,000			$ 3,000,000
Advisory Warrants [Member] | Prior Advisory Board Member [Member]
Related Party Transaction [Line Items]
Percentage of public shares outstanding for which the shall be exercisable	0.124%					0.154%
Payments for Repurchase of Warrants	$ 1,000,000
Percentage Of Public Shares Outstanding For Which The Warrants Shall Be Exercisable	0.124%					0.154%
Advisory Warrants [Member] | Advisory Board [Member]
Related Party Transaction [Line Items]
Class of warrants or rights issued during the period value		$ 0
Percentage of public shares outstanding for which the shall be exercisable	0.124%
Initial period for which the company may function upto its capability		10 years
Number of member granted warrants | Warrant		3
Compensation expense warrants					$ 3,000,000
Percentage Of Public Shares Outstanding For Which The Warrants Shall Be Exercisable	0.124%
Warrants and rights outstanding					$ 3,000,000
Advisory Warrants [Member] | Advisory Board [Member] | Advisory Board Member One [Member]
Related Party Transaction [Line Items]
Amount payable on the contingent repurchase of warrants				1,000,000
Period within which the warrants shall be exercisable from the date of distribution of related warrants		2 years
Period within which the warrants shall be exercisable from the date of resignation		60 days
Advisory Warrants [Member] | Advisory Board [Member] | Advisory Board Member Two [Member]
Related Party Transaction [Line Items]
Amount payable on the contingent repurchase of warrants				1,000,000
Period within which the warrants shall be exercisable from the date of distribution of related warrants		2 years
Period within which the warrants shall be exercisable from the date of resignation		60 days
Advisory Warrants [Member] | Advisory Board [Member] | Advisory Board Member Three [Member]
Related Party Transaction [Line Items]
Amount payable on the contingent repurchase of warrants				$ 1,000,000
Period within which the warrants shall be exercisable from the date of distribution of related warrants		2 years
Period within which the warrants shall be exercisable from the date of resignation		60 days
Sponsor Warrants Advisory Warrants And Forward Purchase Warrants [Member]
Related Party Transaction [Line Items]
Number of days from the date of consummation of business combination within which the securities shall be registered		120 days
Time limit with which registration statement shall become effective		60 days
Number of demands eligible to be made by the security holders for getting the securities registered | Demands		10
Sponsor [Member]
Related Party Transaction [Line Items]
Stock issued during the period shares for services | shares				422,533
Sale of stock issue price per share | $ / shares				$ 10
Minimum excercise price per share | $ / shares				$ 10
Sponsor [Member] | Sponsor Warrants [Member]
Related Party Transaction [Line Items]
Proceeds from the issue of warrants			$ 35,892,480	$ 35,892,480
Restricted cash and cash equivalents non current				$ 5,001,000
Sponsor [Member] | Sponsor Warrants For The Issue Of Public Shares [Member]
Related Party Transaction [Line Items]
Percentage of shares for which the warrants are exercisable				4.95%
Base percentage for calculating the shares for which the warrants are exercisable				4.95%
Warrants or rights outstanding term				10 years
Sponsor [Member] | Common Stock Including Additional Paid in Capital [Member]
Related Party Transaction [Line Items]
Stock issued during the period value for services				$ 4,225,330
Affiliate of PSCM [Member]
Related Party Transaction [Line Items]
Due from Related Party				$ 7,584