
<TABLE> <S> <C>

<ARTICLE>                     5
<MULTIPLIER>                  1,000                 
       
<S>                             <C>
<PERIOD-TYPE>                  YEAR
<FISCAL-YEAR-END>                         DEC-31-1996
<PERIOD-END>                              DEC-31-1996
<CASH>                                         192408
<SECURITIES>                                     1039
<RECEIVABLES>                                  548689
<ALLOWANCES>                                     8129
<INVENTORY>                                    383281
<CURRENT-ASSETS>                              1185144
<PP&E>                                        4461318
<DEPRECIATION>                                2187230
<TOTAL-ASSETS>                                4120349
<CURRENT-LIABILITIES>                          672557
<BONDS>                                             0
<PREFERRED-MANDATORY>                               0
<PREFERRED>                                         0
<COMMON>                                       614443
<OTHER-SE>                                    1122502
<TOTAL-LIABILITY-AND-EQUITY>                  4120349
<SALES>                                       2696694
<TOTAL-REVENUES>                              2696694
<CGS>                                         2089305
<TOTAL-COSTS>                                 2089305
<OTHER-EXPENSES>                               303950
<LOSS-PROVISION>                                 1992
<INTEREST-EXPENSE>                              76442
<INCOME-PRETAX>                                322754
<INCOME-TAX>                                    99924
<INCOME-CONTINUING>                            222830
<DISCONTINUED>                                      0
<EXTRAORDINARY>                                     0
<CHANGES>                                           0
<NET-INCOME>                                   138336
<EPS-PRIMARY>                                    3.24
<EPS-DILUTED>                                    3.23
        


</TABLE>
