<ARTICLE> 5 <MULTIPLIER> 1,000,000 <PERIOD-TYPE> 3-MOS 6-MOS 9-MOS 12-MOS <FISCAL-YEAR-END> DEC-31-1996 DEC-31-1996 DEC-31-1996 DEC-31-1996 <PERIOD-END> MAR-31-1997 JUN-30-1997 SEP-30-1997 DEC-31-1996 <CASH> 32 51 70 65 <SECURITIES> 0 0 0 0 <RECEIVABLES> 314 316 338 252 <ALLOWANCES> 33 35 41 35 <INVENTORY> 232 234 216 206 <CURRENT-ASSETS> 608 626 650 565 <PP&E> 1,953 1,987 1,992 1,939 <DEPRECIATION> 985 1,019 1,031 975 <TOTAL-ASSETS> 2,191 2,228 2,255 2,136 <CURRENT-LIABILITIES> 376 376 394 321 <BONDS> 229 227 227 219 <PREFERRED-MANDATORY> 0 0 0 214 <PREFERRED> 0 0 0 0 <COMMON> 214 214 215 0 <OTHER-SE> 567 606 605 576 <TOTAL-LIABILITY-AND-EQUITY> 2,191 2,228 2,255 2,136 <SALES> 518 1,096 1,671 2,156 <TOTAL-REVENUES> 518 1,096 1,671 2,156 <CGS> 347 725 1,105 1,460 <TOTAL-COSTS> 347 725 1,105 1,460 <OTHER-EXPENSES> 97 198 317 387 <LOSS-PROVISION> 0 0 0 46 <INTEREST-EXPENSE> 6 14 21 23 <INCOME-PRETAX> 68 159 228 240 <INCOME-TAX> 23 55 90 75 <INCOME-CONTINUING> 46 104 138 165 <DISCONTINUED> 0 0 0 0 <EXTRAORDINARY> 0 0 0 (9) <CHANGES> 0 0 0 0 <NET-INCOME> 46 104 138 156 <EPS-PRIMARY> 1.11 2.56 3.39 3.81 <EPS-DILUTED> 1.10 2.53 3.35 3.61