EX-24

CHUBB LIMITED
Power of Attorney
Section 16(a) Reports

The undersigned, in her capacity as an officer of Chubb Limited (the "Company"),
does hereby appoint each of Joseph F. Wayland, Samantha Froud, Annmarie T. Hagan
and Gina Rebollar, her true and lawful attorney, to execute in her name, place
and stead, in her capacity as an officer of said company, any and all
reports required by Section 16(a) of the Securities Exchange Act of 1934 and the
rules thereunder, and any and all amendments thereto, and all other documents
necessary or incidental in connection therewith, and to file or cause to be
filed the same with the Securities and Exchange Commission, the New York Stock
Exchange and such other exchanges and authorities as may be necessary or
appropriate.  Said attorneys shall each have full power and authority to do and
perform, in the name and on behalf of the undersigned, in any and all
capacities, each and every act requisite or necessary to be done in the
premises, as fully and to all intents and purposes as the undersigned might or
could do in person, the undersigned hereby ratifying and approving the acts of
any of said attorneys.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file reports under Section 16(a) of the
Exchange Act with respect to the undersigned's holdings of and transactions in
securities issued by the Company unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing attorneys-in-fact.

IN TESTIMONY WHEREOF, the undersigned has executed this instrument as of
May 17, 2023.


                        /s/ Frances D. O'Brien
                        ------------------------
                        Signature

                        Frances D. O'Brien
                        -------------------------
                        Typed or Printed Name