<ARTICLE> 5 <MULTIPLIER> 1000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> JUN-30-1995 <CASH> 278,420 <SECURITIES> 203,078 <RECEIVABLES> 186,100 <ALLOWANCES> (4,674) <INVENTORY> 130,042 <CURRENT-ASSETS> 854,974 <PP&E> 1,161,909 <DEPRECIATION> (508,827) <TOTAL-ASSETS> 1,558,806 <CURRENT-LIABILITIES> 367,385 <BONDS> 143,750 <COMMON> 1,222 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 862,185 <TOTAL-LIABILITY-AND-EQUITY> 1,558,806 <SALES> 587,224 <TOTAL-REVENUES> 587,224 <CGS> 315,704 <TOTAL-COSTS> 315,704 <OTHER-EXPENSES> 131,839 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 8,300 <INCOME-PRETAX> 144,102 <INCOME-TAX> 40,349 <INCOME-CONTINUING> 101,005 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 101,005 <EPS-PRIMARY> .82 <EPS-DILUTED> .77