The expense charged against earnings during the period to allocate the capitalized costs of regulatory assets over the periods expected to benefit from such costs.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

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- Definition

Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 18

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62014-109447

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

Amount of gain (loss) on sale or disposal of an equity method investment.

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No definition available.

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- Definition

The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

+ References

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- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Article 5

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-Paragraph 2

-Subparagraph (SX 210.5-03.7(b))

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The aggregate amount of income from investments (for example, dividends) not considered a component of the entity's core operations.

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-Name Accounting Standards Codification

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-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.7)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Article 5

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- Definition

Amount of loss contingency liability.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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- Definition

The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 45

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-Topic 360

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company before stock transaction.

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No definition available.

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- Definition

Duration of waiting period before business interrutpion coverage begins

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No definition available.

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Insurance deductibles included in operating expense

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No definition available.

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Amount of risk retained by the entity before the insurance arrangement begins to provide coverage

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No definition available.

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Maximum amount recoverable under various insurance policies.

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No definition available.

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Asset Sales and Other Accruals (Details Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Segment Reporting Information [Line Items]
Equity Method Investment, Realized Gain (Loss) on Disposal	$ (1)		$ 23	$ 51
Other investing income - net	10	3	62	75
Costs Incurred, Development Costs		2	2	17
Restructuring Charges		6		14
Amortization of Regulatory Asset	8	2	15	5
Asset Impairment for Regulatory Action [Member]
Segment Reporting Information [Line Items]
Insurance recoveries	3		15
Impairments of certain assets	9		15
Geismar Incident [Member]
Segment Reporting Information [Line Items]
Insurance deductible expense	4		10
Insurance recoveries	50		50
Caiman Eastern Midstream Llc [Member]
Segment Reporting Information [Line Items]
Acquisition related costs				16
Business acquisition, percentage of voting interests acquired		100.00%		100.00%
Property Damage And Business Interruption [Member] \| Geismar Incident [Member]
Segment Reporting Information [Line Items]
Maximum insurance recoverable amount	500		500
Property Damage [Member] \| Geismar Incident [Member]
Segment Reporting Information [Line Items]
Insurance deductibles	10		10
Business Interruption [Member] \| Geismar Incident [Member]
Segment Reporting Information [Line Items]
Duration of waiting period before business interrutpion coverage begins			60 days
General Liability [Member] \| Geismar Incident [Member]
Segment Reporting Information [Line Items]
Insurance deductibles	2		2
Maximum insurance recoverable amount	610		610
Workers Compensation [Member] \| Geismar Incident [Member]
Segment Reporting Information [Line Items]
Insurance deductibles	1		1
Former Venezuela Operations [Member]
Segment Reporting Information [Line Items]
Investment Income, Interest	11		37
Accroven [Member]
Segment Reporting Information [Line Items]
Equity Method Investment, Realized Gain (Loss) on Disposal				63
Investment Income, Interest				10
Access Midstream Partners Lp [Member]
Segment Reporting Information [Line Items]
Equity Method Investment, Realized Gain (Loss) on Disposal			26
Percent interest in equity method investment	23.00%		23.00%
Previous percent interest in equity method investment			24.00%
Pending Claim [Member]
Segment Reporting Information [Line Items]
Loss Contingency Accrual	$ 9		$ 9