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For the disposal group, non current portion of the carrying amount of a liability for an asset retirement obligation, as well as the carrying value of an obligation (known or estimated) arising from requirements to perform activities to remediate one of more sites, payable after twelve months or beyond the next operating cycle if longer.

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Expected proceeds from sale of asset

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The cash inflow from the special cash distribution related to the separation of our downstream business.

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Costs incurred to effect the separation of the downstream business.

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Long-lived assets that are held for sale apart from normal operations and anticipated to be sold in less than one year.

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The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for noncurrent assets (assets with expected useful life longer than one year or one operating cycle, whichever is longer) of a disposal group, including a component of the entity (discontinued operation), to be sold or that has subsequently been disposed of through sale, as of the financial statement date.

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Cost of oil and gas purchased during the reporting period.

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The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement.

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For a disposal group, including a component of the entity (discontinued operation), represents deferred tax liabilities, which result from applying the applicable tax rate to net taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax. A taxable temporary difference is a difference between the tax basis and the carrying amount of a asset or liability in the financial statements prepared in accordance with generally accepted accounting principles.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Percent of net assets at close of period. For schedules of investments that are categorized, each category has a percent of net assets for the aggregated value of the Investments in the category.

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Discontinued Operations (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended			3 Months Ended	9 Months Ended		12 Months Ended			12 Months Ended				9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2012 Phillips 66 [Member]	Sep. 30, 2012 Phillips 66 [Member]	Sep. 30, 2013 Kashagan [Member]	Dec. 31, 2012 Kashagan [Member]	Dec. 31, 2012 Algeria [Member]	Sep. 30, 2013 Algeria [Member]	Dec. 31, 2012 Nigeria [Member]	Sep. 30, 2013 Nigeria [Member]	Sep. 30, 2013 Kashagan, Algeria and Nigeria [Member]	Dec. 31, 2012 Kashagan, Algeria and Nigeria [Member]	Sep. 30, 2013 Nigeria Upstream Affiliates [Member]	Sep. 30, 2013 Phillips (Brass) Limited [Member]
Separation of Downstream Business (Textual) [Abstract]
Restricted cash					$ 748
Separation costs incurred						0	70
Special cash distribution from Phillips 66				7,818
Sales and other operating revenues	13,643	14,141	41,159	42,398		0	4,973
Purchased commodities	5,708	6,357	17,063	18,156		0	166
Other Discontinued Operations [Abstract]
Percent interest									8.40%								17.00%
Expected proceeds from sale of asset								5,400		1,750						1,650	105
Impairment of asset held for sale								43	606
Carrying Value								5,328			714		371
Deposit										175		435
Noncurrent assets reclassified to current														7,421
Loans and advances-related parties														11	29
Deferred income taxes														905	759
Asset retirement obligations and accrued environmental costs														$ 136	$ 131