{"cik":1997859,"taxonomy":"us-gaap","tag":"IncreaseDecreaseInAccountsReceivable","label":"Increase (Decrease) in Accounts Receivable","description":"The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.","entityName":"WEBTOON Entertainment Inc.","units":{"USD":[{"start":"2022-01-01","end":"2022-12-31","val":-41759000,"accn":"0001997859-25-000017","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-11","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":-30919000,"accn":"0001997859-25-000017","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-11"},{"start":"2023-01-01","end":"2023-12-31","val":-30919000,"accn":"0001997859-26-000028","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-05","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":11716000,"accn":"0001997859-25-000067","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-14","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":28269000,"accn":"0001997859-25-000102","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-13"},{"start":"2024-01-01","end":"2024-09-30","val":25706000,"accn":"0001997859-25-000115","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-13"},{"start":"2024-01-01","end":"2024-12-31","val":24063000,"accn":"0001997859-25-000017","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-11"},{"start":"2024-01-01","end":"2024-12-31","val":24063000,"accn":"0001997859-26-000028","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-05","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":-750000,"accn":"0001997859-25-000067","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-14"},{"start":"2025-01-01","end":"2025-03-31","val":-750000,"accn":"0001997859-26-000072","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-11","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":3088000,"accn":"0001997859-25-000102","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-13"},{"start":"2025-01-01","end":"2025-09-30","val":-995000,"accn":"0001997859-25-000115","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-13"},{"start":"2025-01-01","end":"2025-12-31","val":873000,"accn":"0001997859-26-000028","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-05","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":11669000,"accn":"0001997859-26-000072","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-11","frame":"CY2026Q1"}]}}