EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement of
Berkshire Hathaway Inc. on Form S-4 of our reports dated March 4, 2004,
appearing in the Annual Report on Form 10-K of Berkshire Hathaway Inc. for the
year ended December 31, 2003 (which reports express an unqualified opinion and
include an explanatory paragraph related to the adoption of Statement of
Financial Accounting Standards No. 142, "Goodwill and Other Intangible Assets")
and to the reference to us under the heading "Experts" in the Prospectus, which
is part of this Registration Statement.

DELOITTE & TOUCHE LLP
Omaha, NE
June 8, 2004