<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
quarterly report on Form 10-Q for the three months ended March 31, 1997 and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000,000

       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                             167
<SECURITIES>                                        48
<RECEIVABLES>                                    1,144
<ALLOWANCES>                                        37
<INVENTORY>                                        800
<CURRENT-ASSETS>                                   247
<PP&E>                                           3,774
<DEPRECIATION>                                   1,374
<TOTAL-ASSETS>                                   7,833
<CURRENT-LIABILITIES>                            2,045
<BONDS>                                          2,615
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                        391
<COMMON>                                           366
<OTHER-SE>                                       1,261
<TOTAL-LIABILITY-AND-EQUITY>                     7,833
<SALES>                                          2,147
<TOTAL-REVENUES>                                 2,147
<CGS>                                            1,066
<TOTAL-COSTS>                                      774
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  46
<INCOME-PRETAX>                                    261
<INCOME-TAX>                                        91
<INCOME-CONTINUING>                                170
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       170
<EPS-PRIMARY>                                      .56
<EPS-DILUTED>                                      .52