<ARTICLE> 5
<LEGEND>
Results for the six months ended June 30, 1998
</LEGEND>
<MULTIPLIER> 1,000,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                             297
<SECURITIES>                                         0
<RECEIVABLES>                                      389
<ALLOWANCES>                                         0
<INVENTORY>                                        317
<CURRENT-ASSETS>                                  1769
<PP&E>                                           31850
<DEPRECIATION>                                    5588
<TOTAL-ASSETS>                                   28944
<CURRENT-LIABILITIES>                             2870
<BONDS>                                           8399
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                       1500
<COMMON>                                           690
<OTHER-SE>                                        6943
<TOTAL-LIABILITY-AND-EQUITY>                     28944
<SALES>                                              0
<TOTAL-REVENUES>                                  4690
<CGS>                                                0
<TOTAL-COSTS>                                     4811
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 337
<INCOME-PRETAX>                                    382
<INCOME-TAX>                                       159
<INCOME-CONTINUING>                                223
<DISCONTINUED>                                     258
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       481
<EPS-PRIMARY>                                     1.96
<EPS-DILUTED>                                     1.96