<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from
the consolidated balance sheet of Phillips Petroleum Company as of
September 30, 1999, and the related consolidated statement of income
for the nine months ended September 30, 1999, and is qualified in its
entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                             180
<SECURITIES>                                         0
<RECEIVABLES>                                    1,767
<ALLOWANCES>                                        19
<INVENTORY>                                        575
<CURRENT-ASSETS>                                 2,779
<PP&E>                                          22,765
<DEPRECIATION>                                  11,664
<TOTAL-ASSETS>                                  15,191
<CURRENT-LIABILITIES>                            2,590
<BONDS>                                          4,443
<PREFERRED-MANDATORY>                              650
<PREFERRED>                                          0
<COMMON>                                           287
<OTHER-SE>                                       4,098
<TOTAL-LIABILITY-AND-EQUITY>                    15,191
<SALES>                                          9,332
<TOTAL-REVENUES>                                 9,539
<CGS>                                            7,857<F1>
<TOTAL-COSTS>                                    8,093<F2>
<OTHER-EXPENSES>                                    40<F3>
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 210
<INCOME-PRETAX>                                    697
<INCOME-TAX>                                       338
<INCOME-CONTINUING>                                359
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       359
<EPS-BASIC>                                       1.42
<EPS-DILUTED>                                     1.41
<FN>
<F1> Purchased crude oil and products + Production and operating expenses +
     Exploration expenses + Depreciation, depletion and amortization.
<F2> CGS + Property impairments + Taxes other than income taxes.
<F3> Preferred dividend requirements of capital trusts.
</FN>