<ARTICLE> 5
<LEGEND>
THIS SCHEDULE  CONTAINS  SUMMARY FINANCIAL INFORMATION 
EXTRACTED  FROM  THE CONSOLIDATED FINANCIAL STATEMENTS 
FOR THE  PERIOD   ENDED   DECEMBER  31, 1996,  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-31-1996
<PERIOD-END>                    DEC-31-1996
<CASH>                                             279
<SECURITIES>                                         0
<RECEIVABLES>                                      659
<ALLOWANCES>                                        24
<INVENTORY>                                        633
<CURRENT-ASSETS>                                 2,190
<PP&E>                                          23,177
<DEPRECIATION>                                   9,369
<TOTAL-ASSETS>                                  17,634
<CURRENT-LIABILITIES>                            2,470
<BONDS>                                          4,748
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                      2,725
<COMMON>                                            66
<OTHER-SE>                                       2,349
<TOTAL-LIABILITY-AND-EQUITY>                    17,634
<SALES>                                         10,557
<TOTAL-REVENUES>                                10,898
<CGS>                                            7,037
<TOTAL-COSTS>                                    7,037
<OTHER-EXPENSES>                                   220
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 484
<INCOME-PRETAX>                                  1,069
<INCOME-TAX>                                       454
<INCOME-CONTINUING>                                698
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                    (30)
<CHANGES>                                            0
<NET-INCOME>                                       668
<EPS-PRIMARY>                                     1.77
<EPS-DILUTED>                                     1.73