<ARTICLE>         5
<LEGEND>          THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
                  EXTRACTED FROM FINANCIAL STATEMENTS AS OF DECEMBER 31, 1997
                  AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
                  FINANCIAL STATEMENTS
<MULTIPLIER>      1,000,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                              40
<SECURITIES>                                         0
<RECEIVABLES>                                      672
<ALLOWANCES>                                        15
<INVENTORY>                                        459
<CURRENT-ASSETS>                                 1,397
<PP&E>                                           4,492
<DEPRECIATION>                                   2,484
<TOTAL-ASSETS>                                   3,900
<CURRENT-LIABILITIES>                              850
<BONDS>                                            509
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                        126
<COMMON>                                           197
<OTHER-SE>                                       1,474
<TOTAL-LIABILITY-AND-EQUITY>                     3,900
<SALES>                                          3,999
<TOTAL-REVENUES>                                 3,999
<CGS>                                            2,544
<TOTAL-COSTS>                                    2,544
<OTHER-EXPENSES>                                   835
<LOSS-PROVISION>                                     3
<INTEREST-EXPENSE>                                  39
<INCOME-PRETAX>                                    611
<INCOME-TAX>                                       201
<INCOME-CONTINUING>                                410
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       410
<EPS-PRIMARY>                                     6.51
<EPS-DILUTED>                                     6.39