<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE COMPANY'S BALANCE SHEET AT DECEMBER 31, 1995 AND INCOME STATEMENT FOR THE TWELVE MONTH PERIOD ENDED DECEMBER 31, 1995 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS AND THEIR RELATED FOOTNOTES. </LEGEND> <MULTIPLIER> 1,000,000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> DEC-31-1995 <CASH> 621 <SECURITIES> 773 <RECEIVABLES> 4,083 <ALLOWANCES> 69 <INVENTORY> 1,598 <CURRENT-ASSETS> 7,867 <PP&E> 48,031 <DEPRECIATION> 26,335 <TOTAL-ASSETS> 34,330 <CURRENT-LIABILITIES> 9,445 <BONDS> 4,521 <COMMON> 1,069 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 13,286 <TOTAL-LIABILITY-AND-EQUITY> 34,330 <SALES> 36,310 <TOTAL-REVENUES> 37,082 <CGS> 0 <TOTAL-COSTS> 35,293 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 401 <INCOME-PRETAX> 1,789 <INCOME-TAX> 859 <INCOME-CONTINUING> 930 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 930 <EPS-PRIMARY> 1.43 <EPS-DILUTED> 1.43