<ARTICLE> 5 <MULTIPLIER> 1,000,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> JUN-30-1998 <CASH> 88 <SECURITIES> 1,714 <RECEIVABLES> 1,340 <ALLOWANCES> 11 <INVENTORY> 568 <CURRENT-ASSETS> 4,255 <PP&E> 17,822 <DEPRECIATION> 6,125 <TOTAL-ASSETS> 18,341 <CURRENT-LIABILITIES> 5,292 <BONDS> 2,199 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 5,901 <TOTAL-LIABILITY-AND-EQUITY> 18,341 <SALES> 0 <TOTAL-REVENUES> 4,193 <CGS> 0 <TOTAL-COSTS> 3,643 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 54 <INCOME-PRETAX> 542 <INCOME-TAX> 211 <INCOME-CONTINUING> 331 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 331 <EPS-PRIMARY> 0 <EPS-DILUTED> 0