<ARTICLE> 5 <MULTIPLIER> 1,000,000 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> DEC-31-1997 <CASH> 235 <SECURITIES> 302 <RECEIVABLES> 3,330 <ALLOWANCES> 73 <INVENTORY> 2,921 <CURRENT-ASSETS> 8,640 <PP&E> 23,345 <DEPRECIATION> 15,293 <TOTAL-ASSETS> 24,040 <CURRENT-LIABILITIES> 7,340 <BONDS> 4,196 <PREFERRED-MANDATORY> 124 <PREFERRED> 0 <COMMON> 818 <OTHER-SE> 6,808 <TOTAL-LIABILITY-AND-EQUITY> 24,040 <SALES> 20,018 <TOTAL-REVENUES> 20,018 <CGS> 14,679 <TOTAL-COSTS> 17,292 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (471) <INCOME-PRETAX> 2,948 <INCOME-TAX> 1,041 <INCOME-CONTINUING> 1,802 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,802 <EPS-PRIMARY> 7.81 <EPS-DILUTED> 7.70