<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 10Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> MAR-31-1997 <CASH> 17 <SECURITIES> 0 <RECEIVABLES> 4,606 <ALLOWANCES> 1,414 <INVENTORY> 443 <CURRENT-ASSETS> 4567 <PP&E> 15,723 <DEPRECIATION> 5,404 <TOTAL-ASSETS> 21,445 <CURRENT-LIABILITIES> 2,914 <BONDS> 6,441 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 7 <OTHER-SE> 9,043 <TOTAL-LIABILITY-AND-EQUITY> 21,445 <SALES> 0 <TOTAL-REVENUES> 5,328 <CGS> 0 <TOTAL-COSTS> 2,774 <OTHER-EXPENSES> 1,051 <LOSS-PROVISION> 302 <INTEREST-EXPENSE> 116 <INCOME-PRETAX> 800 <INCOME-TAX> 321 <INCOME-CONTINUING> 479 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 479 <EPS-PRIMARY> 0.70 <EPS-DILUTED> 0.70