The carrying value per unit of an equity method investment at the balance sheet date.

No definition available.

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- Definition

Equity Method Investment, Contributed Ownership Percentage

+ References

No definition available.

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- Definition

The represents the amount below carrying value of an equity method investment as of a specified time.

+ References

No definition available.

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- Definition

Equity Method Investment, Ownership, Shares

+ References

No definition available.

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- Definition

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Costs associated with revenues arising from an entity that is an affiliate of the reporting entity by means of direct or indirect ownership.

+ References

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Maximum contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Minimum contractual interest rate for funds borrowed, under the debt agreement.

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Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due after 1 year (or 1 business cycle).

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- Definition

The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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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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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Amount of interest income earned from interest-bearing assets owed to the entity by related party.

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No definition available.

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Repayment received or receivable for expenses incurred on behalf of a client or customer, other than those reimbursements received by landlords from tenants.

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Price of a single share of a number of saleable stocks of a company.

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No definition available.

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Unconsolidated Affiliates Description (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	May 30, 2014	Jun. 01, 2015
Accounts and notes receivable — affiliated companies	$ 16us-gaap_DueFromRelatedPartiesCurrent		$ 18us-gaap_DueFromRelatedPartiesCurrent
Investment in unconsolidated affiliates	4,501us-gaap_EquityMethodInvestments		4,521us-gaap_EquityMethodInvestments
Enable Midstream Partners [Member]
Share Price	$ 16.40
Enable Midstream Partners [Member]
Equity Method Investment, Ownership Percentage	55.40%
Equity Method Investment, Carrying Value Per Unit	$ 19.24
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity	665
Investment in unconsolidated affiliates	4,500		4,520
Southeast Supply Header LLC [Member]
Equity Method Investment, Ownership Percentage	0.10%	25.05%
Equity Method Investment, Contributed Ownership Percentage				24.95%
Investment in unconsolidated affiliates	1		1
Subordinated Units [Member] \| Enable Midstream Partners [Member]
Equity Method Investment, Ownership, Shares	139,704,916
Common Stock [Member] \| Enable Midstream Partners [Member]
Equity Method Investment, Ownership, Shares	94,126,366
Subsequent Event [Member] \| Common Stock [Member] \| Enable Midstream Partners [Member]
Equity Method Investment, Ownership, Shares					25,341
Enable Guaranteed Senior Notes [Member]
Guarantee of Affiliate Senior Notes	1,100
Enable Midstream Partners [Member]
Due from Affiliate, Noncurrent	363
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	2.10%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum	2.45%
Interest Income, Related Party	2	2
Accounts and notes receivable — affiliated companies	6		4
Enable Midstream Partners [Member] \| Enable Guaranteed Senior Notes [Member]
Guarantee of Affiliate Senior Notes	1,100
Transitional Service [Member] \| Enable Midstream Partners [Member]
Reimbursement Revenue	5	45
Accounts Receivable, Related Parties	3		28
Natural Gas Expenses [Member] \| Enable Midstream Partners [Member]
Affiliate Costs	39	47
Accounts Payable, Related Parties, Current	$ 11		$ 23