<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>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                       1,025,814
<SECURITIES>                                         0
<RECEIVABLES>                                2,048,904
<ALLOWANCES>                                  (59,999)
<INVENTORY>                                    870,121
<CURRENT-ASSETS>                             4,094,591
<PP&E>                                       9,198,441
<DEPRECIATION>                             (6,089,214)
<TOTAL-ASSETS>                               8,958,121
<CURRENT-LIABILITIES>                        2,739,850
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       753,621
<OTHER-SE>                                   4,334,184
<TOTAL-LIABILITY-AND-EQUITY>                 8,958,121
<SALES>                                        576,385
<TOTAL-REVENUES>                             2,045,198
<CGS>                                          394,389
<TOTAL-COSTS>                                1,155,214
<OTHER-EXPENSES>                               269,248
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              17,343
<INCOME-PRETAX>                                209,004
<INCOME-TAX>                                    38,137
<INCOME-CONTINUING>                            170,867
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   170,867
<EPS-PRIMARY>                                     0.70
<EPS-DILUTED>                                     0.70