<ARTICLE>                   5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED FINANCIAL STATEMENTS FOR THE PERIOD ENDED JUNE 30, 1995,
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                1,000,000                    
                                                         
                                                           
<PERIOD-TYPE>                               6-MOS        
<FISCAL-YEAR-END>                           DEC-31-1995  
<PERIOD-END>                                JUN-30-1995  
<CASH>                                                              315
<SECURITIES>                                                          0
<RECEIVABLES>                                                       765
<ALLOWANCES>                                                         19
<INVENTORY>                                                         721
<CURRENT-ASSETS>                                                  2,410
<PP&E>                                                           22,896
<DEPRECIATION>                                                    9,021
<TOTAL-ASSETS>                                                   17,635
<CURRENT-LIABILITIES>                                             2,231
<BONDS>                                                           5,467
<COMMON>                                                             64
<PREFERRED-MANDATORY>                                                 0
<PREFERRED>                                                       1,325
<OTHER-SE>                                                        3,266
<TOTAL-LIABILITY-AND-EQUITY>                                     17,635
<SALES>                                                           5,393
<TOTAL-REVENUES>                                                  5,544
<CGS>                                                             3,982
<TOTAL-COSTS>                                                     4,580
<OTHER-EXPENSES>                                                     50
<LOSS-PROVISION>                                                      0
<INTEREST-EXPENSE>                                                  289
<INCOME-PRETAX>                                                     567
<INCOME-TAX>                                                        260
<INCOME-CONTINUING>                                                 365
<DISCONTINUED>                                                        0
<EXTRAORDINARY>                                                       0
<CHANGES>                                                             0
<NET-INCOME>                                                        365
<EPS-PRIMARY>                                                     1.002
<EPS-DILUTED>                                                      .962