Cover - USD ($)	12 Months Ended
	May 31, 2025	Aug. 29, 2025	Nov. 30, 2024
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	May 31, 2025
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2025
Current Fiscal Year End Date	--05-31
Entity File Number	333-153168
Entity Registrant Name	Laredo Oil, Inc.
Entity Central Index Key	0001442492
Entity Tax Identification Number	26-2435874
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	2021 Guadalupe Street
Entity Address, City or Town	Ste. 260; Austin
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	78705
City Area Code	(512)
Local Phone Number	337-1199
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 17,100,000
Entity Common Stock, Shares Outstanding		74,887,755
Auditor Firm ID	2738
Auditor Name	M&K CPAS, PLLC
Auditor Location	The Woodlands, TX