<ARTICLE> 5 <MULTIPLIER> 1,000,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> SEP-30-1997 <CASH> 621 <SECURITIES> 0 <RECEIVABLES> 1,421 <ALLOWANCES> 0 <INVENTORY> 1,365 <CURRENT-ASSETS> 3,407 <PP&E> 11,524 <DEPRECIATION> 6,187 <TOTAL-ASSETS> 9,503 <CURRENT-LIABILITIES> 1,472 <BONDS> 1,250 <PREFERRED-MANDATORY> 0 <PREFERRED> 203 <COMMON> 1,248 <OTHER-SE> 3,551 <TOTAL-LIABILITY-AND-EQUITY> 9,503 <SALES> 5,830 <TOTAL-REVENUES> 5,893 <CGS> 4,506 <TOTAL-COSTS> 4,506 <OTHER-EXPENSES> 323 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 77 <INCOME-PRETAX> 573 <INCOME-TAX> 195 <INCOME-CONTINUING> 339 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 339 <EPS-PRIMARY> 1.46 <EPS-DILUTED> 1.46