CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Income Statement [Abstract]
Revenue	$ 286,339		$ 286,339
Cost of Revenue	(171,759)		(171,759)
Gross Profit	114,580		114,580
Operating expenses:
General and administrative	5,989,701	132,933	13,592,558	408,164
Research and development	747,803	8,548	1,334,412	79,993
Sales and marketing	3,167,400	4,585	6,780,011	4,585
Depreciation and amortization	8,354,343		14,175,488
Total operating expenses	18,259,247	146,066	35,882,469	492,742
Loss from operations	(18,144,667)	(146,066)	(35,767,889)	(492,742)
Other (expense) income:
Interest income	185,789		205,191
Interest expense	(5,230,404)		(7,565,321)
Net gain/(loss) from sale of marketable securities		(9,455)		104,656
Loss on disposal of investments	(523,011)		(523,011)
Change in fair value of convertible notes payable	(568,706)		(847,752)
Change in fair value of other liabilities	(15,610)		247,190
Change in fair value of other investments	(1,632,548)		(1,632,548)
Other income (expenses)	(1,450)		107,525
Total other (expense) income, net	(7,785,940)	(9,455)	(10,008,726)	104,656
Loss before provision for income taxes	(25,930,607)	(155,521)	(45,776,615)	(388,087)
Net loss	(25,930,607)	(155,521)	(45,776,615)	(388,087)
Net Loss Attributable to Non-controlling interests	(97,058)		(97,058)
Net Loss Attributable to VisionWave Holdings Inc. Shareholders	(25,833,549)	(155,521)	(45,679,557)	(388,087)
Foreign currency translations adjustment (income) loss, net of tax	19,253		19,253
Total Comprehensive loss	(25,911,354)	(155,521)	(45,757,362)	(388,087)
Comprehensive Loss Attributable to Non-controlling interest	(89,787)		(89,787)
Comprehensive Loss Attributable to VisionWave Holdings Inc. Shareholders	$ (25,821,567)	$ (155,521)	$ (45,667,575)	$ (388,087)
Basic weighted average ordinary shares outstanding	21,725,154	11,000,000	18,804,327	11,000,000
Diluted weighted average ordinary shares outstanding	21,725,154	11,000,000	18,804,327	11,000,000
Basic earnings per ordinary share	$ (1.19)	$ (0.01)	$ (2.43)	$ (0.04)
Diluted earnings per ordinary share	$ (1.19)	$ (0.01)	$ (2.43)	$ (0.04)