0000033934 1 2026-08-14 2026-08-14 0000033934 2 2026-08-14 2026-08-14 0000033934 2026-08-14 2026-08-14 iso4217:USD pure shares N-2 EX-FILING FEES 0000033934 811-02363 N/A N/A N-2 CORNERSTONE TOTAL RETURN FUND INC false Equity Common Stock true 157729 6.34 1000001.86 0.0001381 138.10 false Other Rights to Purchase Common Stock true 170263672 0.00 0.00 0.0001381 0.00 1000001.86 138.10 0.00 0.00 138.10 Includes [●] shares subject to the additional subscription privilege.<br/><br/>Estimated solely for the purpose of calculating fee as required by Rule 457(o) under the Securities Act of 1933 based upon the net asset value of $6.10 on July 31, 2026. Evidencing the rights to subscribe for shares of common stock of the Registrant being registered herewith. Pursuant to Rule 457(g) of the Securities Act of 1933, no separate registration fee is required for the rights because the rights are being registered on the same registration statement as the common stock of the Registrant underlying the rights.<br/>