EXHIBIT 23 INDEPENDENT AUDITORS' CONSENT - ----------------------------- We consent to the incorporation by reference in Registration Statement No. 333-42859 of Merrill Lynch & Co., Inc. on Form S-3 of our reports dated March 26, 2003, appearing in this Annual Report on Form 10-K of Merrill Lynch Preferred Capital Trust III and Merrill Lynch Preferred Funding III, L.P.for the year ended December 27, 2002. /s/ Deloitte & Touche LLP New York, New York March 26, 2003