<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S BALANCE SHEET AT MARCH 31, 1995 AND INCOME STATEMENT FOR
THE THREE MONTH PERIOD ENDED MARCH 31, 1995 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS AND THEIR RELATED
FOOTNOTES.
</LEGEND>
<MULTIPLIER> 1,000,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               MAR-31-1995
<CASH>                                             608
<SECURITIES>                                       642
<RECEIVABLES>                                    4,019
<ALLOWANCES>                                        62
<INVENTORY>                                      1,275
<CURRENT-ASSETS>                                 7,248
<PP&E>                                          47,240
<DEPRECIATION>                                  25,044
<TOTAL-ASSETS>                                  34,344
<CURRENT-LIABILITIES>                            8,998
<BONDS>                                          4,080
<COMMON>                                         1,069
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                      13,857
<TOTAL-LIABILITY-AND-EQUITY>                    34,344
<SALES>                                          8,820
<TOTAL-REVENUES>                                 9,044
<CGS>                                                0
<TOTAL-COSTS>                                    8,314
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 110
<INCOME-PRETAX>                                    730
<INCOME-TAX>                                       271
<INCOME-CONTINUING>                                459
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       459
<EPS-PRIMARY>                                      .70
<EPS-DILUTED>                                      .70