v3.26.1
Cover
 12 Months Ended
Dec. 31, 2025
shares
Entity Addresses [Line Items]  
Document Type 20-F
Amendment Flag false
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Document Period End Date Dec. 31, 2025
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2025
Current Fiscal Year End Date --12-31
Entity File Number 001-42648
Entity Registrant Name K WAVE MEDIA LTD.
Entity Central Index Key 0002000756
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 121 South Church Street
Entity Address, Address Line Two George Town
Entity Address, City or Town Grand Cayman
Entity Address, Country KY
Entity Address, Postal Zip Code KY1-1104
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 Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Entity Common Stock, Shares Outstanding 64,221,193
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction [Flag] false
Auditor Firm ID 1103
Auditor Name Samil PricewaterhouseCoopers
Auditor Location Seoul, KOREA
Ordinary shares, $0.0001 par value per share  
Entity Addresses [Line Items]  
Title of 12(b) Security Ordinary shares, $0.0001 par value per share
Trading Symbol KWM
Security Exchange Name NASDAQ
Warrants, each exercisable to purchase one Ordinary Share at an exercise price of $11.50 per share  
Entity Addresses [Line Items]  
Title of 12(b) Security Warrants, each exercisable to purchase one Ordinary Share at an exercise price of $11.50 per share
Trading Symbol KWMWW
Security Exchange Name NASDAQ
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 121 South Church Street
Entity Address, Address Line Two George Town
Entity Address, City or Town Grand Cayman
Entity Address, Country KY
Entity Address, Postal Zip Code KY1-1104
City Area Code 703
Local Phone Number 790-0717
Contact Personnel Name Chief Executive Officer