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The purchase price of a significant acquisition or disposal.

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The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for assets of a disposal group, including a component of the entity (discontinued operation), to be sold or that has been disposed of through sale, as of the financial statement date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
-Paragraph 46

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Pretax gain (loss), not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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Pretax income (loss) from operations of a business component (exclusive of any gain or loss on disposal, or provision therefore) during the reporting period, until its disposal.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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The obligations arising from the sale, disposal, or planned sale in the near future (generally within one year) of a disposal group, including a component of the entity (discontinued operation).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The net cash inflow (outflow) for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 18

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The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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The value of all consideration given or received by the Entity in the significant acquisition or disposal.

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Asset Acquisitions, Dispositions and Other Transactions (Details 3) (USD $)	1 Months Ended				6 Months Ended	1 Months Ended	3 Months Ended	6 Months Ended			6 Months Ended
	Jul. 31, 2011	Jun. 30, 2011	Apr. 30, 2011	Mar. 31, 2011	Jun. 30, 2011	Feb. 28, 2011 China Petrochemical Corporation (Sinopec) Argentina	Jun. 30, 2010 China Petrochemical Corporation (Sinopec) Argentina	Jun. 30, 2011 China Petrochemical Corporation (Sinopec) Argentina	Jun. 30, 2010 China Petrochemical Corporation (Sinopec) Argentina	Dec. 31, 2010 China Petrochemical Corporation (Sinopec) Argentina	Jun. 30, 2011 Significant Acquisitions
Asset Acquisitions, Dispositions and Other Transactions
Proceeds from short-term borrowings, net		$ 500,000,000		$ 1,000,000,000	$ 500,000,000
Repayments of short-term debt	500,000,000		1,000,000,000
Asset acquisitions, dispositions and other transactions
Significant acquisitions, purchase price											3,400,000,000
Proceeds from sale of assets and businesses										2,600,000,000
Pre-tax gain on sale						225,000,000
Net revenues of discontinued operations							158,000,000	97,000,000	313,000,000
Pre-tax income (losses) of discontinued operations							(17,000,000)	2,000,000	(60,000,000)
Assets of discontinued operations								0		2,900,000,000
Liabilities of discontinued operations										$ 513,000,000