<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                       1,781,252
<SECURITIES>                                         0
<RECEIVABLES>                                3,181,996
<ALLOWANCES>                                  (71,237)
<INVENTORY>                                  1,224,328
<CURRENT-ASSETS>                             6,520,080
<PP&E>                                      10,622,855
<DEPRECIATION>                             (6,614,868)
<TOTAL-ASSETS>                              12,725,491
<CURRENT-LIABILITIES>                        3,672,438
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       941,221
<OTHER-SE>                                   6,304,827
<TOTAL-LIABILITY-AND-EQUITY>                12,725,491
<SALES>                                      1,357,873
<TOTAL-REVENUES>                             5,723,414
<CGS>                                          901,962
<TOTAL-COSTS>                                4,116,154
<OTHER-EXPENSES>                               645,334
<LOSS-PROVISION>                                16,943
<INTEREST-EXPENSE>                              45,844
<INCOME-PRETAX>                                916,082
<INCOME-TAX>                                   205,995
<INCOME-CONTINUING>                            710,087
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   710,087
<EPS-PRIMARY>                                     1.42
<EPS-DILUTED>                                     1.37<F1>
<FN>
<F1>As required by SFAS 128
</FN>