<Page>

                                                                      Exhibit 23


                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration
Statements of Kraft Foods Inc (the "Company") on Form S-8 (File Nos. 333-71266
and 333-84616) and Form S-3 (File Nos. 333-67770, 333-86478 and 333-101829), of
our report dated January 27, 2003 relating to the consolidated financial
statements of the Company, which appears in the Annual Report to Shareholders,
which is incorporated in this Annual Report on Form 10-K. We also consent to the
incorporation by reference of our report dated January 27, 2003 relating to the
financial statement schedule, which appears in this Form 10-K.

/s/  PRICEWATERHOUSECOOPERS LLP

Chicago, Illinois
March 25, 2003