<ARTICLE> 5
<MULTIPLIER> 1,000,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                              55
<SECURITIES>                                         0
<RECEIVABLES>                                    1,296
<ALLOWANCES>                                        26
<INVENTORY>                                      1,939
<CURRENT-ASSETS>                                 3,402
<PP&E>                                          25,684
<DEPRECIATION>                                  15,280
<TOTAL-ASSETS>                                  16,980
<CURRENT-LIABILITIES>                            3,519
<BONDS>                                          3,859
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          7
<COMMON>                                           382<F1>
<OTHER-SE>                                       4,633
<TOTAL-LIABILITY-AND-EQUITY>                    16,980
<SALES>                                         23,844
<TOTAL-REVENUES>                                23,844
<CGS>                                           22,219
<TOTAL-COSTS>                                   22,219
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 449
<INCOME-PRETAX>                                  1,368
<INCOME-TAX>                                       416
<INCOME-CONTINUING>                                952
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      9
<CHANGES>                                            0
<NET-INCOME>                                       943
<EPS-PRIMARY>                                        0<F2>
<EPS-DILUTED>                                        0<F3>
<FN>
<F1>Consists of Marathon Stock issued, $288; Steel Stock issued, $85; Delhi
Stock issued, $9.
<F2>Primary earnings (loss) per share applicable to Marathon Stock, $2.31; Steel
Stock, $2.98; Delhi Stock $.62.
<F3>Fully diluted earnings (loss) per share applicable to Marathon Stock, $2.29;
Steel Stock, $2.95; Delhi Stock, $.62.
</FN>