<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE DECEMBER
31, 1996 CONSOLIDATED BALANCE SHEET AND THE CONSOLIDATED STATEMENT OF INCOME FOR
THE TWELVE-MONTH PERIOD ENDED DECEMBER 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS AND THE FOOTNOTES THERETO.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                         323,288
<SECURITIES>                                   341,338
<RECEIVABLES>                                1,729,340
<ALLOWANCES>                                    47,523
<INVENTORY>                                          0
<CURRENT-ASSETS>                             3,093,224
<PP&E>                                      14,121,217
<DEPRECIATION>                               4,399,508
<TOTAL-ASSETS>                              18,366,592
<CURRENT-LIABILITIES>                        3,038,708
<BONDS>                                      6,971,607
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       507,102
<OTHER-SE>                                   4,369,197
<TOTAL-LIABILITY-AND-EQUITY>                18,366,592
<SALES>                                              0
<TOTAL-REVENUES>                             9,186,970
<CGS>                                                0
<TOTAL-COSTS>                                6,844,463
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                39,148
<INTEREST-EXPENSE>                             375,758
<INCOME-PRETAX>                              1,042,838
<INCOME-TAX>                                   565,047
<INCOME-CONTINUING>                            477,791
<DISCONTINUED>                               (285,706)
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   192,085
<EPS-PRIMARY>                                     0.39
<EPS-DILUTED>                                     0.00