<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
STATEMENTS OF INCOME AND BALANCE SHEETS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                              83
<SECURITIES>                                         0
<RECEIVABLES>                                    3,314
<ALLOWANCES>                                     1,493
<INVENTORY>                                        370
<CURRENT-ASSETS>                                 3,384
<PP&E>                                          13,764
<DEPRECIATION>                                   5,536
<TOTAL-ASSETS>                                  16,650
<CURRENT-LIABILITIES>                            3,027
<BONDS>                                          5,718
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             6
<OTHER-SE>                                       5,428
<TOTAL-LIABILITY-AND-EQUITY>                    16,650
<SALES>                                              0
<TOTAL-REVENUES>                                 8,816
<CGS>                                                0
<TOTAL-COSTS>                                    4,912
<OTHER-EXPENSES>                                 1,718
<LOSS-PROVISION>                                   667
<INTEREST-EXPENSE>                                 229
<INCOME-PRETAX>                                    790
<INCOME-TAX>                                       362
<INCOME-CONTINUING>                                428
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       428
<EPS-BASIC>                                     0.70<F1>
<EPS-DILUTED>                                     0.70<F2>
<FN>
<F1>EPS-Basic per SPAS No. 128
<F2>EPS - Diluted per SFAS No. 128
</FN>