<ARTICLE> 5 <LEGEND> The schedule contains summary financial information extracted from the Form 10-K for the fiscal year ended December 31, 1996 and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> DEC-31-1996 <CASH> 93,550 <SECURITIES> 0 <RECEIVABLES> 635,837 <ALLOWANCES> 3,142 <INVENTORY> 531,059 <CURRENT-ASSETS> 1,465,769 <PP&E> 12,214,726 <DEPRECIATION> 5,006,515 <TOTAL-ASSETS> 10,463,631 <CURRENT-LIABILITIES> 1,430,908 <BONDS> 3,270,918 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 705,799 <OTHER-SE> 3,323,264 <TOTAL-LIABILITY-AND-EQUITY> 10,463,631 <SALES> 10,883,666 <TOTAL-REVENUES> 10,883,666 <CGS> 6,964,531 <TOTAL-COSTS> 8,799,889 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 187,958 <INCOME-PRETAX> 1,892,934 <INCOME-TAX> 736,861 <INCOME-CONTINUING> 1,156,073 <DISCONTINUED> 33,786 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,189,859 <EPS-PRIMARY> 2.35 <EPS-DILUTED> 2.34