STOCKHOLDERS’ EQUITY (Details Narrative) - USD ($)																	3 Months Ended		6 Months Ended
	Feb. 23, 2026	Jan. 12, 2026	Jun. 05, 2025	May 13, 2025	May 06, 2025	May 01, 2025	Apr. 30, 2025	Apr. 27, 2025	Mar. 27, 2025	Feb. 03, 2025	Jan. 30, 2025	Jan. 29, 2025	Jan. 27, 2025	Jan. 17, 2025	Jan. 13, 2025	Jan. 10, 2025	Mar. 31, 2026	Jun. 30, 2025	Sep. 30, 2024	Jun. 30, 2026	Jan. 20, 2026	Jan. 19, 2026	Dec. 31, 2025	May 21, 2024	May 23, 2023
Class of Stock [Line Items]
Common stock, shares authorized																				450,000,000	450,000,000	200,000,000	450,000,000
Preferred stock, shares authorized																				1,000,000
Preferred stock, par value																				$ 0.001
Common stock, shares issued																				193,266,631			179,110,820
Common stock, shares outstanding																				193,266,631			179,110,820
Common stock, par value																				$ 0.001	$ 0.001		$ 0.001
Debt conversion stock, shares				7,644,749	3,959,276	2,866,698	1,972,386	1,538,461	1,351,351	2,994,289	2,836,879	2,482,269	1,678,321	1,024,590	818,331	600,962
Debt conversion amount, value				$ 56,150.68	$ 35,000	$ 30,000	$ 25,000	$ 20,000	$ 15,000	$ 38,925.77	$ 40,000	$ 35,000	$ 30,000	$ 25,000	$ 25,000	$ 20,000
Number of shares converted, value																	$ 40,269	$ 209,146
Jefferson Street Capital LLC [Member]
Class of Stock [Line Items]
Number of shares converted, value		$ 5,655,811
Conversion fees																			$ 100,000
Convertible, conversion price		$ 0.00																						$ 0.03	$ 0.35
Accrued and unpaid interest		$ 1,500.00
Principal amount		37,269.38
Debt related commitment fees		1,500.00
Convertible note		$ 40,269.38																						$ 71,500	$ 220,000
Jefferson Street Capital LLC [Member]
Class of Stock [Line Items]
Debt conversion stock, shares					2,449,570
Debt conversion amount, value					$ 0.00
Debt instrument, increase, accrued interest					8,794.98
Debt instrument fee amount					1,500.00
Convertible note, value					21,494.98
Number of shares converted			3,019,662
Number of shares converted, value			$ 20,000
Conversion fees			$ 1,500
Jefferson Street Capital LLC [Member] | Convertible [Member]
Class of Stock [Line Items]
Debt instrument, increase, accrued interest					$ 11,200.00
Fusion Fuel Green PLC [Member]
Class of Stock [Line Items]
Ownership percentage																					53.50%
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares issued																				0			0
Preferred stock, shares outstanding																				0			0
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized																				1,000,000			1,000,000
Preferred stock, par value																				$ 0.001			$ 0.001
Preferred stock, shares issued																				0			8,500
Preferred stock, shares outstanding																				0			8,500
Series B Convertible Preferred Stock [Member] | Fusion Fuel Green PLC [Member]
Class of Stock [Line Items]
Number of shares converted	8,500
Number of shares converted, value	$ 8,500,000