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

  


                                                                      EXHIBIT 27

                             FINANCIAL DATA SCHEDULE

                  <ARTICLE>  5
                  <MULTIPLIER> 1,000,000
                          
                                                  
                  <PERIOD-TYPE>                       YEAR
                  <FISCAL-YEAR-END>                  DEC-26-1997
                  <PERIOD-END>                       DEC-26-1997
                  <CASH>                                     690
                  <SECURITIES>                                 0
                  <RECEIVABLES>                              987
                  <ALLOWANCES>                                86
                  <INVENTORY>                                227
                  <CURRENT-ASSETS>                         2,175
                  <PP&E>                                  18,270
                  <DEPRECIATION>                           5,864
                  <TOTAL-ASSETS>                          19,957
                  <CURRENT-LIABILITIES>                    2,707
                  <BONDS>                                  6,416
                  <PREFERRED-MANDATORY>                        0
                  <PREFERRED>                                  0
                  <COMMON>                                   218
                  <OTHER-SE>                               5,548
                  <TOTAL-LIABILITY-AND-EQUITY>            19,957
                  <SALES>                                      0
                  <TOTAL-REVENUES>                        10,621
                  <CGS>                                        0
                  <TOTAL-COSTS>                            9,038
                  <OTHER-EXPENSES>                             0
                  <LOSS-PROVISION>                             0
                  <INTEREST-EXPENSE>                         451
                  <INCOME-PRETAX>                          1,183
                  <INCOME-TAX>                               384
                  <INCOME-CONTINUING>                        799
                  <DISCONTINUED>                               0
                  <EXTRAORDINARY>                              0
                  <CHANGES>                                    0
                  <NET-INCOME>                               799
                  <EPS-PRIMARY>                             3.67
                  <EPS-DILUTED>                             3.62