Basis of Presentation	9 Months Ended
Sep. 30, 2012
Basis of Presentation [Abstract]
Basis of Presentation	Note 1—Basis of Presentation The interim-period financial information presented in the financial statements included in this report is unaudited and, in the opinion of management, includes all known accruals and adjustments necessary for a fair presentation of the consolidated financial position of ConocoPhillips and its results of operations and cash flows for such periods. All such adjustments are of a normal and recurring nature unless otherwise disclosed. Certain notes and other information have been condensed or omitted from the interim financial statements included in this report. Therefore, these financial statements should be read in conjunction with the consolidated financial statements and notes included in our 2011 Annual Report on Form 10-K. The results of operations for our refining, marketing and transportation businesses; most of our Midstream segment; our Chemicals segment; and our power generation and certain technology operations included in our Emerging Businesses segment (collectively, our “Downstream business”), have been classified as discontinued operations for all periods presented. See Note 2—Separation of Downstream Business, for additional information. Unless indicated otherwise, the information in the Notes to the Consolidated Financial Statements relates to our continuing operations.

Basis of Presentation

9 Months Ended

Sep. 30, 2012

Note 1—Basis of Presentation

The interim-period financial information presented in the financial statements included in this report is unaudited and, in the opinion of management, includes all known accruals and adjustments necessary for a fair presentation of the consolidated financial position of ConocoPhillips and its results of operations and cash flows for such periods. All such adjustments are of a normal and recurring nature unless otherwise disclosed. Certain notes and other information have been condensed or omitted from the interim financial statements included in this report. Therefore, these financial statements should be read in conjunction with the consolidated financial statements and notes included in our 2011 Annual Report on Form 10-K.

The results of operations for our refining, marketing and transportation businesses; most of our Midstream segment; our Chemicals segment; and our power generation and certain technology operations included in our Emerging Businesses segment (collectively, our “Downstream business”), have been classified as discontinued operations for all periods presented. See Note 2—Separation of Downstream Business, for additional information. Unless indicated otherwise, the information in the Notes to the Consolidated Financial Statements relates to our continuing operations.