<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> DEC-31-1995 <CASH> 113,354 <SECURITIES> 377,293 <RECEIVABLES> 285,892 <ALLOWANCES> (10,159) <INVENTORY> 154,670 <CURRENT-ASSETS> 1,096,768 <PP&E> 2,930,973 <DEPRECIATION> (1,294,881) <TOTAL-ASSETS> 3,031,268 <CURRENT-LIABILITIES> 621,736 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1,047 <OTHER-SE> 2,099,081 <TOTAL-LIABILITY-AND-EQUITY> 3,031,268 <SALES> 2,426,924 <TOTAL-REVENUES> 2,429,724 <CGS> 1,298,876 <TOTAL-COSTS> 1,298,876 <OTHER-EXPENSES> 782,571 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 707 <INCOME-PRETAX> 378,333 <INCOME-TAX> 112,738 <INCOME-CONTINUING> 300,521 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 300,521 <EPS-PRIMARY> 2.85 <EPS-DILUTED> 2.81