<ARTICLE> 5
<MULTIPLIER> 1,000,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                              68
<SECURITIES>                                         0
<RECEIVABLES>                                    1,619
<ALLOWANCES>                                         0
<INVENTORY>                                        154
<CURRENT-ASSETS>                                 2,015
<PP&E>                                          35,040
<DEPRECIATION>                                  20,359
<TOTAL-ASSETS>                                  17,578
<CURRENT-LIABILITIES>                            3,909
<BONDS>                                          5,154
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         8,080
<OTHER-SE>                                     (3,617)
<TOTAL-LIABILITY-AND-EQUITY>                    17,578
<SALES>                                         10,882
<TOTAL-REVENUES>                                10,882
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                 8,264
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 386
<INCOME-PRETAX>                                  2,150
<INCOME-TAX>                                       815
<INCOME-CONTINUING>                              1,335
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,335
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0