WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

  

<ARTICLE> 5
<MULTIPLIER> 1,000,000
       
                             
<PERIOD-TYPE>                   QTR-1
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               MAR-31-1995
<CASH>                                              61
<SECURITIES>                                       484
<RECEIVABLES>                                    1,498
<ALLOWANCES>                                        15
<INVENTORY>                                        610
<CURRENT-ASSETS>                                 3,133
<PP&E>                                          20,575
<DEPRECIATION>                                   6,517
<TOTAL-ASSETS>                                  19,669
<CURRENT-LIABILITIES>                            5,193
<BONDS>                                              0
<COMMON>                                         2,293
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                         78
<OTHER-SE>                                       1,050
<TOTAL-LIABILITY-AND-EQUITY>                    19,669
<SALES>                                              0
<TOTAL-REVENUES>                                 3,970
<CGS>                                                0
<TOTAL-COSTS>                                    3,718
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
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<INCOME-PRETAX>                                     73
<INCOME-TAX>                                        35
<INCOME-CONTINUING>                                 38
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                        38
<EPS-PRIMARY>                                     0.48
<EPS-DILUTED>                                     0.48