<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEAR ENDED DECEMBER 31, 1996, AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000,000
       
                                          
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>               DEC-31-1996
<PERIOD-END>                    DEC-31-1996
<CASH>                                             258
<SECURITIES>                                         0
<RECEIVABLES>                                      650
<ALLOWANCES>                                        24
<INVENTORY>                                        582
<CURRENT-ASSETS>                                 1,910
<PP&E>                                          15,886
<DEPRECIATION>                                   7,690
<TOTAL-ASSETS>                                  14,981
<CURRENT-LIABILITIES>                            1,837
<BONDS>                                          4,748
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                      2,725
<COMMON>                                            66
<OTHER-SE>                                       2,349
<TOTAL-LIABILITY-AND-EQUITY>                    14,981
<SALES>                                          7,987
<TOTAL-REVENUES>                                 8,312
<CGS>                                            5,796
<TOTAL-COSTS>                                    5,796
<OTHER-EXPENSES>                                   220
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 482
<INCOME-PRETAX>                                    786
<INCOME-TAX>                                       342
<INCOME-CONTINUING>                                514
<DISCONTINUED>                                     184
<EXTRAORDINARY>                                    (30)
<CHANGES>                                            0
<NET-INCOME>                                       668
<EPS-PRIMARY>                                     1.77
<EPS-DILUTED>                                     1.73