CONVERTIBLE NOTES (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended
CONVERTIBLE NOTES (Details Narrative) - USD ($)	Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2025	Nov. 30, 2024	May 31, 2025
Convertible notes payable	$ 129,402		$ 129,402		$ 129,402
Accrued interest payable	184,157		184,157		169,341
Interest expense	7,368	$ 7,368	14,816	$ 14,816
Convertible Notes Payable	129,402		129,402		$ 129,402
June 1, 2019 [Member] \| Unaffiliated Parties [Member]
Convertible notes payable	$ 81,859		$ 81,859
Interest rate			25.00%
Debt conversion price per share	$ 0.01		$ 0.01
Debt discount beneficial conversion features			$ 81,859
On August 31, 2019 [Member] \| Unaffiliated Parties [Member]
Convertible notes payable	$ 14,717		$ 14,717
Interest rate			25.00%
Debt conversion price per share	$ 0.95		$ 0.95
Debt discount beneficial conversion features			$ 6,971
On November 30, 2019 [Member] \| Unaffiliated Parties [Member]
Convertible notes payable	$ 8,789		$ 8,789
Interest rate			25.00%
Debt conversion price per share	$ 0.95		$ 0.95
Debt discount beneficial conversion features			$ 8,788
On January 3, 2020 [Member] \| UnAffilated Parties [Member]
Interest rate			5.00%
Debt conversion price per share	$ 0.002		$ 0.002
Convertible Notes Payable	$ 25,000		$ 25,000
On February 29, 2020 [Member] \| Unaffiliated Parties [Member]
Interest rate			25.00%
Debt conversion price per share	$ 0.001		$ 0.001
Debt discount beneficial conversion features			$ 4,956
Convertible Notes Payable	$ 4,956		$ 4,956
On May 31, 2020 [Member] \| UnAffilated Parties [Member]
Interest rate			25.00%
Debt conversion price per share	$ 0.001		$ 0.001
Debt discount beneficial conversion features			$ 3,350
Convertible Notes Payable	$ 3,350		$ 3,350
On August 31, 2020 [Member] \| Unaffiliated Parties [Member]
Interest rate			25.00%
Debt conversion price per share	$ 0.001		$ 0.001
Debt discount beneficial conversion features			$ 16,632
Convertible Notes Payable	$ 16,632		$ 16,632
On November 30, 2020 [Member] \| UnAffilated Parties [Member]
Interest rate			25.00%
Debt conversion price per share	$ 0.001		$ 0.001
Debt discount beneficial conversion features			$ 7,400
Convertible Notes Payable	$ 7,400		$ 7,400
On February 28, 2021 [Member] \| Unaffiliated Parties [Member]
Interest rate			25.00%
Debt conversion price per share	$ 0.001		$ 0.001
Debt discount beneficial conversion features			$ 2,700
Convertible Notes Payable	$ 2,700		2,700
June 1, 2020 [Member]
Debt instrument converted amount			$ 11,000
Debt instrument converted shares issued			5,500,000

Greentech Innovations, Inc. 10-Q