Subsequent Events	9 Months Ended
Sep. 30, 2024
Subsequent Events [Abstract]
Subsequent Events	Note 12. Subsequent Events The Company’s management evaluated subsequent events through the date of November 8, 2024, the date that the consolidated financial statements were issued. There have been no subsequent events, except as disclosed below, that occurred during such period that would require disclosure in this Form 10-Q or would be required to be recognized in the consolidated financial statements as of and for the three months ended September 30, 2024. Subsequent to September 30, 2024, the Company invested in the senior secured loan of Valeron Group, LLC. Subsequent to September 30, 2024, the Company received the entirety of the $16.7 million Subscription Receivable balance. On November 4, 2024, the Board of Directors (the "Board") of MSD Investment Corp. (the “Company”), pursuant to Section 5.1 of the Company's charter and without stockholder action, approved Articles of Amendment for the purpose of increasing the Company's number of authorized shares from 100,000,000 shares to 200,000,250 shares, which are classified as 200,000,000 of common stock, $0.001 par value per share ("Common Stock"), and 250 shares of preferred stock, $0.001 par value per share, which were previously designated as the “12.0% Series A Cumulative Non-Voting Preferred Stock”. The Articles of Amendment were filed by the Company with the State Department of Assessments and Taxation of the State of Maryland (“SDAT”) on November 6, 2024, and became immediately effective upon acceptance for record by SDAT.

Subsequent Events

9 Months Ended

Sep. 30, 2024

Note 12. Subsequent Events

The Company’s management evaluated subsequent events through the date of November 8, 2024, the date that the consolidated financial statements were issued. There have been no subsequent events, except as disclosed below, that occurred during such period that would require disclosure in this Form 10-Q or would be required to be recognized in the consolidated financial statements as of and for the three months ended September 30, 2024.

Subsequent to September 30, 2024, the Company invested in the senior secured loan of Valeron Group, LLC.

Subsequent to September 30, 2024, the Company received the entirety of the $16.7 million Subscription Receivable balance.

On November 4, 2024, the Board of Directors (the "Board") of MSD Investment Corp. (the “Company”), pursuant to Section 5.1 of the Company's charter and without stockholder action, approved Articles of Amendment for the purpose of increasing the Company's number of authorized shares from 100,000,000 shares to 200,000,250 shares, which are classified as 200,000,000 of common stock, $0.001 par value per share ("Common Stock"), and 250 shares of preferred stock, $0.001 par value per share, which were previously designated as the “12.0% Series A Cumulative Non-Voting Preferred Stock”. The Articles of Amendment were filed by the Company with the State Department of Assessments and Taxation of the State of Maryland (“SDAT”) on November 6, 2024, and became immediately effective upon acceptance for record by SDAT.