<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS CONTAINED IN THE COMPANY'S ANNUAL REPORT ON
FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 1998 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                             201
<SECURITIES>                                     1,075
<RECEIVABLES>                                      337
<ALLOWANCES>                                        17
<INVENTORY>                                        111
<CURRENT-ASSETS>                                 1,863
<PP&E>                                           2,052
<DEPRECIATION>                                     602
<TOTAL-ASSETS>                                   3,672
<CURRENT-LIABILITIES>                              887
<BONDS>                                            223
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                       2,562
<TOTAL-LIABILITY-AND-EQUITY>                     3,672
<SALES>                                          2,514
<TOTAL-REVENUES>                                 2,718
<CGS>                                              345
<TOTAL-COSTS>                                      345
<OTHER-EXPENSES>                                   663<F1>
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  10
<INCOME-PRETAX>                                  1,224
<INCOME-TAX>                                       361
<INCOME-CONTINUING>                                863
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       863
<EPS-PRIMARY>                                     1.69<F2>
<EPS-DILUTED>                                     1.63<F2>
<FN>
<F1>ITEM CONSISTS OF RESEARCH AND DEVELOPMENT EXPENSES.
<F2>REFLECTS 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>