<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000,000

<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   6-MOS                   3-MOS                   9-MOS                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1999             DEC-31-1999             DEC-31-1998
<PERIOD-END>                               JUN-30-1999<F3>         MAR-31-1999<F3>         SEP-30-1999<F4>         DEC-31-1998<F3>
<CASH>                                             920                   1,045                   1,245                     881
<SECURITIES>                                         0                       0                       0                       0
<RECEIVABLES>                                    1,483                   1,514                   1,521                   1,520
<ALLOWANCES>                                       100                     102                     101                     103
<INVENTORY>                                      1,011                     984                   1,118                   1,032
<CURRENT-ASSETS>                                 4,309                   4,583                   4,696                   4,552
<PP&E>                                           5,741                   5,666                   5,836                   5,780
<DEPRECIATION>                                   2,554                   2,523                   2,558                   2,546
<TOTAL-ASSETS>                                  10,007                  10,182                  10,458                  10,343
<CURRENT-LIABILITIES>                            3,029                   3,002                   3,246                   2,875
<BONDS>                                            139<F1>                 320<F1>                 149<F1>                 295<F1>
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                        273                     275                     273                     277
<COMMON>                                             5                       5                       5                       5
<OTHER-SE>                                       5,061                   5,089                   5,270                   5,314
<TOTAL-LIABILITY-AND-EQUITY>                    10,007                  10,182                  10,458                  10,343
<SALES>                                          3,534                   1,774                   5,310                   6,758
<TOTAL-REVENUES>                                 3,534                   1,774                   5,310                   6,758
<CGS>                                              940                     493                   1,421                   2,031
<TOTAL-COSTS>                                      940                     493                   1,421                   2,031
<OTHER-EXPENSES>                                   677<F2>                 340<F2>               1,050<F2>               1,234<F2>
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                                  32                       8                      41                      26
<INCOME-PRETAX>                                    577                     302                     844                     977
<INCOME-TAX>                                       173                      90                     255                     346
<INCOME-CONTINUING>                                404                     212                     589                     631
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                       404                     212                     589                     631
<EPS-BASIC>                                       0.77                    0.40                    1.12                    1.20
<EPS-DILUTED>                                     0.75                    0.39                    1.09                    1.17
<FN>
<F1>Does not include guarantee of ESOP debt of $190.
<F3>Restated for 8/31/99 merger accounted for as a pooling of interests.
<F2>Only includes R&D expense.
<F4>Reflects 8/31/99 merger accounted for as a pooling of interests.
</FN>


</TABLE>