<TABLE> <S> <C>


<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the annual
financial statements for the year 1999 and 1998 of Conoco Inc. and consolidated
subsidiaries. The schedule is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<MULTIPLIER> 1,000,000

<S>                             <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1998
<PERIOD-START>                             JAN-01-1999             JAN-01-1998
<PERIOD-END>                               DEC-31-1999             DEC-31-1998
<CASH>                                             317                     394
<SECURITIES>                                         0                       0
<RECEIVABLES>                                    1,735                   1,191<F1>
<ALLOWANCES>                                         0                       0
<INVENTORY>                                        703                     807
<CURRENT-ASSETS>                                 3,068                   2,770
<PP&E>                                          22,476                  22,094
<DEPRECIATION>                                  11,241                  10,681
<TOTAL-ASSETS>                                  16,375                  16,075
<CURRENT-LIABILITIES>                            3,758                   2,725
<BONDS>                                          4,080                   4,689<F2>
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             6                       6
<OTHER-SE>                                       4,555                   4,438
<TOTAL-LIABILITY-AND-EQUITY>                    16,375                  16,075
<SALES>                                         27,039                  22,796
<TOTAL-REVENUES>                                27,309                  23,168
<CGS>                                           14,781                  11,751
<TOTAL-COSTS>                                   25,781                  22,275<F3>
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                 311                     199
<INCOME-PRETAX>                                  1,217                     694
<INCOME-TAX>                                       473                     244
<INCOME-CONTINUING>                                744                     450
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                       744                     450
<EPS-BASIC>                                       1.19                     .95<F4>
<EPS-DILUTED>                                     1.17                     .95<F4>
<FN>
<F1>Includes notes receivable - related parties
<F2>Includes long-term borrowings - related parties of $4,596 for 1998.
<F3>Cost of goods sold, operating expenses; selling, general and administrative
expenses; stock option provision; exploration expense; depreciation, depletion
and amortization; and taxes other than on income.
<F4>Basic earnings per share and diluted earnings per share
</FN>




</TABLE>