Consolidated Statements of Operations - USD ($)	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenue	$ 7,894	$ 5,234
Cost of revenue	177,279	168,540
Gross profit	(169,385)	(163,306)
Operating expenses:
Research and development	103,322	0
General and administrative	3,306,299	1,069,424
Impairment loss	1,130,000	0
Total operating expenses	4,539,621	1,069,424
Loss from operations	(4,709,006)	(1,232,730)
Other income (expense):
Interest expense	(4,765)	(1,961)
Other income	225	2,023
Total other income (expense)	(4,540)	62
Net loss	(4,713,546)	(1,232,668)
Noncontrolling interest	(45,512)	(18,285)
Net loss attributable to GenFlat Holdings, Inc.	$ (4,668,034)	$ (1,214,383)
Loss per share - basic attributable to GenFlat Holdings, Inc.	$ (0.44)	$ (0.12)
Loss per share - diluted attributable to GenFlat Holdings, Inc.	(0.44)	(0.12)
Loss per share - basic attributable to noncontrolling interest	(0.00)	(0.00)
Loss per share - diluted attributable to noncontrolling interest	$ (0.00)	$ (0.00)
Weighted average shares outstanding - basic	10,651,990	10,438,400
Weighted average shares outstanding - diluted	10,651,990	10,438,400