<ARTICLE> 5
<LEGEND>
THIS AMENDED AND RESTATED SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE CONSOLIDATED FINANCIAL STATEMENTS CONTAINED IN THE COMPANY'S
ANNUAL REPORTS ON FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 1997 AND FOR THE
YEAR ENDED DECEMBER 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000,000
       
                                                  
<PERIOD-TYPE>                   YEAR                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1996
<PERIOD-START>                             JAN-01-1997             JAN-01-1996
<PERIOD-END>                               DEC-31-1997             DEC-31-1996
<CASH>                                             239                     169
<SECURITIES>                                       787                     908
<RECEIVABLES>                                      283                     237
<ALLOWANCES>                                        14                      12
<INVENTORY>                                        109                      97
<CURRENT-ASSETS>                                 1,544                   1,503
<PP&E>                                           1,669                   1,301
<DEPRECIATION>                                     483                     391
<TOTAL-ASSETS>                                   3,110                   2,766
<CURRENT-LIABILITIES>                              742                     643
<BONDS>                                            229                      59
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             0                       0
<OTHER-SE>                                       2,139                   1,906
<TOTAL-LIABILITY-AND-EQUITY>                     3,110                   2,766
<SALES>                                          2,220                   2,088
<TOTAL-REVENUES>                                 2,401                   2,240
<CGS>                                              301                     283
<TOTAL-COSTS>                                      301                     283
<OTHER-EXPENSES>                                   631<F1>                 528<F1>
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   4                       6
<INCOME-PRETAX>                                    861                     962
<INCOME-TAX>                                       217                     283
<INCOME-CONTINUING>                                644<F2>                 680<F2>
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                       644                     680
<EPS-PRIMARY>                                     1.22<F3>                1.28<F3>
<EPS-DILUTED>                                     1.17<F3>                1.21<F3>
<FN>
<F1>AMENDED TO CONFORM WITH THE REQUIREMENTS OF REGULATION S-K, ITEM 601(c),
APPENDIX A.  ITEM CONSISTS OF RESEARCH AND DEVELOPMENT EXPENSES.
<F2>AMENDED TO CONFORM WITH THE REQUIREMENTS OF REGULATION S-K, ITEM 601(c),
APPENDIX A.
<F3>RETROACTIVELY RESTATED TO REFLECT A TWO-FOR-ONE SPLIT OF THE COMMON STOCK
EFFECTED IN THE FORM OF A 100 PERCENT STOCK DIVIDEND ON OUTSTANDING STOCK
DISTRIBUTED ON FEBRUARY 26, 1999, TO STOCKHOLDERS OF RECORD ON FEBRUARY 12,
1999.  "EPS-PRIMARY" DENOTES BASIC EPS.
</FN>