

                                                                  Exhibit 23-a


INDEPENDENT AUDITORS' CONSENT

We consent to the incorporation by reference in this Amendment No. 1 to
Registration Statement No. 333-27881 of Morgan Stanley, Dean Witter, Discover
& Co. (the "Registrant") on Form S-3 of our reports dated February 21, 1997,
appearing in and incorporated by reference in the Annual Report on Form 10-K
of the Registrant for the year ended December 31, 1996; and our report dated
May 31, 1997, appearing in the Current Report on Form 8-K of the Registrant
filed on June 2, 1997 (which makes reference to the audit of Morgan Stanley
Group Inc. by other auditors); and to the reference to us under the
heading "Experts" in the Prospectus, which is a part of this Registration
Statement.


/s/ DELOITTE & TOUCHE LLP

New York, New York
June 2, 1997

