<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Financial Statements contained in Item 8 of Form 10-K for the period ended
December 31, 1997 and is qualified in its entirety by reference to such
financial statements.  Figures are rounded to the nearest 1,000,000 (except
EPS).
</LEGEND>
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                             166
<SECURITIES>                                        28
<RECEIVABLES>                                      318
<ALLOWANCES>                                      (10)
<INVENTORY>                                        347
<CURRENT-ASSETS>                                   936
<PP&E>                                           2,323
<DEPRECIATION>                                 (1,528)
<TOTAL-ASSETS>                                   1,946
<CURRENT-LIABILITIES>                              512
<BONDS>                                            268
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            49
<OTHER-SE>                                         830
<TOTAL-LIABILITY-AND-EQUITY>                     1,946
<SALES>                                          2,410
<TOTAL-REVENUES>                                 2,410
<CGS>                                            1,866
<TOTAL-COSTS>                                    1,866
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     2
<INTEREST-EXPENSE>                                  25
<INCOME-PRETAX>                                    234
<INCOME-TAX>                                        81
<INCOME-CONTINUING>                                153
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       153
<EPS-PRIMARY>                                     3.02
<EPS-DILUTED>                                     3.00