<ARTICLE>       5
<LEGEND>        THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
                FROM FINANCIAL STATEMENTS AS OF JUNE 30, 1997 AND IS QUALIFIED
                IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
<RESTATED>
<MULTIPLIER>    1,000,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                              38
<SECURITIES>                                         0
<RECEIVABLES>                                      838
<ALLOWANCES>                                        16
<INVENTORY>                                        448
<CURRENT-ASSETS>                                 1,555
<PP&E>                                           4,418
<DEPRECIATION>                                   2,376
<TOTAL-ASSETS>                                   4,074
<CURRENT-LIABILITIES>                            1,005
<BONDS>                                            543
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                        127
<COMMON>                                           197
<OTHER-SE>                                       1,441
<TOTAL-LIABILITY-AND-EQUITY>                     4,074
<SALES>                                          2,075
<TOTAL-REVENUES>                                 2,075
<CGS>                                            1,313
<TOTAL-COSTS>                                    1,313
<OTHER-EXPENSES>                                   417
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  21
<INCOME-PRETAX>                                    330
<INCOME-TAX>                                       109
<INCOME-CONTINUING>                                221
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       221
<EPS-PRIMARY>                                     3.47
<EPS-DILUTED>                                     3.42