Document and Entity Information	3 Months Ended
Mar. 31, 2026
Document Information [Line Items]
Entity Central Index Key	0002022416
Entity Registrant Name	Silexion Therapeutics Corp
Document Type	S-1/A
Entity Filer Category	Non-accelerated Filer
Amendment Flag	true
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Incorporation, State or Country Code	E9
Amendment Description	The Registrant hereby amends this Registration Statement on such date or dates as may be necessary to delay its effective date until the Registrant shall file a further amendment which specifically states that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933, as amended (“Securities Act”), or until the Registration Statement shall become effective on such date as the SEC, acting pursuant to Section 8(a), may determine.
Auditor Opinion [Text Block]	Opinion on the Financial Statements We have audited the accompanying consolidated balance sheets of Silexion Therapeutics Corp and its subsidiaries (the “Company”) as of December 31, 2025 and 2024, and the related consolidated statements of operations, changes in redeemable convertible preferred shares and shareholders' equity (capital deficiency) and cash flows for the years then ended, including the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations and its cash flows for the years then ended in conformity with accounting principles generally accepted in the United States of America.

Document and Entity Information

3 Months Ended

Mar. 31, 2026

Entity Central Index Key

0002022416

Entity Registrant Name

Silexion Therapeutics Corp

Document Type

S-1/A

Entity Filer Category

Non-accelerated Filer

Amendment Flag

true

Entity Small Business

true

Entity Emerging Growth Company

true

Entity Ex Transition Period

false

Entity Incorporation, State or Country Code

Amendment Description

The Registrant hereby amends this Registration Statement on such date or dates as may be necessary to delay its effective date until the Registrant shall file a further amendment which specifically states that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933, as amended (“Securities Act”), or until the Registration Statement shall become effective on such date as the SEC, acting pursuant to Section 8(a), may determine.

Auditor Opinion [Text Block]

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Silexion Therapeutics Corp and its subsidiaries (the “Company”) as of December 31, 2025 and 2024, and the related consolidated statements of operations, changes in redeemable convertible preferred shares and shareholders' equity (capital deficiency) and cash flows for the years then ended, including the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations and its cash flows for the years then ended in conformity with accounting principles generally accepted in the United States of America.