<TABLE> <S> <C>

<ARTICLE>                                                                      5
<LEGEND>
This Schedule contains summary financial  information  extracted from the Annual
Report on Form 10-K for the year ended  September  30, 1999 and is  qualified in
its entirety by reference to such financial statments.
</LEGEND>
<CIK>                                                                 0000722487
<NAME>                                                            Comdisco, Inc.
<MULTIPLIER>                                                          1,000,000
<CURRENCY>                                                               dollars

<S>                                                           <C>
<PERIOD-TYPE>                                                             12-MOS
<FISCAL-YEAR-END>                                                    SEP-30-1999
<PERIOD-START>                                                       Oct-01-1998
<PERIOD-END>                                                         Sep-30-1999
<EXCHANGE-RATE>                                                                1
<CASH>                                                                       387
<SECURITIES>                                                                 252
<RECEIVABLES>                                                                739
<ALLOWANCES>                                                                  43
<INVENTORY>                                                                  115
<CURRENT-ASSETS>                                                           4,297
<PP&E>                                                                     8,161
<DEPRECIATION>                                                             2,538
<TOTAL-ASSETS>                                                             7,807
<CURRENT-LIABILITIES>                                                      1,370
<BONDS>                                                                    3,686
<PREFERRED-MANDATORY>                                                          0
<PREFERRED>                                                                    0
<COMMON>                                                                      22
<OTHER-SE>                                                                 1,038
<TOTAL-LIABILITY-AND-EQUITY>                                               7,807
<SALES>                                                                    2,655
<TOTAL-REVENUES>                                                           4,159
<CGS>                                                                      1,969
<TOTAL-COSTS>                                                              3,747
<OTHER-EXPENSES>                                                               0
<LOSS-PROVISION>                                                               0
<INTEREST-EXPENSE>                                                           337
<INCOME-PRETAX>                                                               75
<INCOME-TAX>                                                                  27
<INCOME-CONTINUING>                                                           48
<DISCONTINUED>                                                                 0
<EXTRAORDINARY>                                                                0
<CHANGES>                                                                      0
<NET-INCOME>                                                                  48
<EPS-BASIC>                                                              0.320
<EPS-DILUTED>                                                              0.300



</TABLE>