<ARTICLE> 5
<LEGEND>
THIS FINANCIAL DATA SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE FINANCIAL STATEMENTS OF VIACOM INC. FOR THE NINE MONTHS ENDED SEPTEMBER
30, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                             674
<SECURITIES>                                         0
<RECEIVABLES>                                    1,784
<ALLOWANCES>                                       107
<INVENTORY>                                      1,798
<CURRENT-ASSETS>                                 4,982
<PP&E>                                           5,097
<DEPRECIATION>                                   1,781
<TOTAL-ASSETS>                                  24,268
<CURRENT-LIABILITIES>                            4,185
<BONDS>                                          6,142
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             8
<OTHER-SE>                                      10,910
<TOTAL-LIABILITY-AND-EQUITY>                    24,268
<SALES>                                          9,286
<TOTAL-REVENUES>                                 9,286
<CGS>                                            6,007
<TOTAL-COSTS>                                    8,405
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 327
<INCOME-PRETAX>                                    573
<INCOME-TAX>                                       296
<INCOME-CONTINUING>                                239
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                   (38)
<CHANGES>                                            0
<NET-INCOME>                                       189
<EPS-BASIC>                                        .27
<EPS-DILUTED>                                      .27