<ARTICLE> 5
<MULTIPLIER> 1,000,000
       
                                                                                            
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1995             DEC-31-1996             DEC-31-1995             DEC-31-1995
<PERIOD-END>                               MAR-31-1996             JUN-30-1996             SEP-30-1996             DEC-31-1995
<CASH>                                             119                      83                      79                     257
<SECURITIES>                                         0                       0                       0                       0
<RECEIVABLES>                                      285                     291                     299                     247
<ALLOWANCES>                                        30                      33                      33                      29
<INVENTORY>                                        187                     197                     197                     196
<CURRENT-ASSETS>                                   620                     600                     601                     723
<PP&E>                                           1,885                   1,921                   1,938                   1,854
<DEPRECIATION>                                     993                   1,008                   1,007                     976
<TOTAL-ASSETS>                                   2,077                   2,066                   2,116                   2,150
<CURRENT-LIABILITIES>                              323                     328                     337                     376
<BONDS>                                            188                     188                     215                       0
<PREFERRED-MANDATORY>                                0                       0                       0                     101
<PREFERRED>                                        244                     244                       0                       0
<COMMON>                                           103                     105                     229                     259
<OTHER-SE>                                         419                     416                     548                     415
<TOTAL-LIABILITY-AND-EQUITY>                     2,077                   2,066                   2,116                   2,150
<SALES>                                            501                   1,064                   1,628                   2,325
<TOTAL-REVENUES>                                   501                   1,064                   1,628                   2,325
<CGS>                                              345                     709                   1,094                   1,581
<TOTAL-COSTS>                                      345                     709                   1,094                   2,281
<OTHER-EXPENSES>                                    96                     197                     307                       2
<LOSS-PROVISION>                                     0                      46                      46                       0
<INTEREST-EXPENSE>                                   6                      12                      19                      34
<INCOME-PRETAX>                                     54                     100                     162                       8
<INCOME-TAX>                                        18                      33                      51                     (5)
<INCOME-CONTINUING>                                 36                      67                     111                      14
<DISCONTINUED>                                       0                       0                       0                     110
<EXTRAORDINARY>                                      0                       0                     (8)                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                        36                      67                     103                     123
<EPS-PRIMARY>                                      .89                    1.63                    2.50                    2.94
<EPS-DILUTED>                                      .81                    1.49                    2.35                    2.68