<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from SEC form
10-K and is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER>  1,000,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                              58
<SECURITIES>                                         0
<RECEIVABLES>                                      432
<ALLOWANCES>                                         0
<INVENTORY>                                        503
<CURRENT-ASSETS>                                 1,428
<PP&E>                                           3,585
<DEPRECIATION>                                   1,832
<TOTAL-ASSETS>                                   4,996
<CURRENT-LIABILITIES>                            1,307
<BONDS>                                          1,595
<COMMON>                                           657
<PREFERRED-MANDATORY>                              503
<PREFERRED>                                          0
<OTHER-SE>                                      (1,098)
<TOTAL-LIABILITY-AND-EQUITY>                     4,996
<SALES>                                          4,373
<TOTAL-REVENUES>                                 4,373
<CGS>                                            3,446
<TOTAL-COSTS>                                    3,446
<OTHER-EXPENSES>                                    28
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 111
<INCOME-PRETAX>                                     71
<INCOME-TAX>                                         9
<INCOME-CONTINUING>                                 62
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                          (15)
<NET-INCOME>                                        47
<EPS-PRIMARY>                                      .89
<EPS-DILUTED>                                      .88