Amortization period of transition property in years

No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer, excluding property, plant and equipment.

+ References

No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings.

+ References

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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- Definition

Amount of interest capitalized, including amount of allowance for funds used during construction.

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- Definition

Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.

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- Definition

Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities.

+ References

No definition available.

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- Definition

Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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- Definition

The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets.

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- Definition

Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.

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The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.

+ References

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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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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Significant Accounting Policies [Line Items]
Regulatory liabilities	$ 537us-gaap_RegulatoryLiabilityNoncurrent	$ 509us-gaap_RegulatoryLiabilityNoncurrent
Amortization Period, Transition Property (in years)	12 to 14 years
Capitalized Interest Costs, Including Allowance for Funds Used During Construction	10	10	6
Provision for doubtful accounts	3us-gaap_ProvisionForDoubtfulAccounts	2us-gaap_ProvisionForDoubtfulAccounts	2us-gaap_ProvisionForDoubtfulAccounts
Cash and cash equivalents ($290 and $207 related to VIEs, respectively)	290	207	646	220
Customer deposits included in other current liabilities	24us-gaap_CustomerDepositsCurrent	21us-gaap_CustomerDepositsCurrent
Regulatory Assets, Noncurrent	2,629us-gaap_RegulatoryAssetsNoncurrent	3,001us-gaap_RegulatoryAssetsNoncurrent
AssetsNoncurrentOtherThanPropertyPlantAndEquipment	2,663	3,044
Assets	10,053us-gaap_Assets	9,611us-gaap_Assets
Deferred Tax Liabilities, Net, Noncurrent	2,001	2,020
Liabilities, Other than Long-term Debt, Noncurrent	2,852	2,802
Member’s Equity	1,592us-gaap_StockholdersEquity	1,250us-gaap_StockholdersEquity	1,746us-gaap_StockholdersEquity
Liabilities and Equity	10,053	9,611
Scenario, Previously Reported [Member]
Significant Accounting Policies [Line Items]
Regulatory Assets, Noncurrent		2,999
AssetsNoncurrentOtherThanPropertyPlantAndEquipment		3,042
Assets		9,609
Deferred Tax Liabilities, Net, Noncurrent		2,035
Liabilities, Other than Long-term Debt, Noncurrent		2,817
Member’s Equity		1,233	1,729
Liabilities and Equity		9,609
Restatement Adjustment [Member]
Significant Accounting Policies [Line Items]
Regulatory Assets, Noncurrent		2
AssetsNoncurrentOtherThanPropertyPlantAndEquipment		2
Assets		2
Deferred Tax Liabilities, Net, Noncurrent		(15)
Liabilities, Other than Long-term Debt, Noncurrent		(15)
Member’s Equity		17	17
Liabilities and Equity		2
Removal Costs [Member]
Significant Accounting Policies [Line Items]
Regulatory liabilities	353	349
Other Income [Member]
Significant Accounting Policies [Line Items]
AFUDC equity	14	8	6
Prepaid Expenses and Other Current Assets [Member]
Significant Accounting Policies [Line Items]
Restricted cash accounts	47	41
Variable Interest Entity, Primary Beneficiary [Member]
Significant Accounting Policies [Line Items]
Cash and cash equivalents ($290 and $207 related to VIEs, respectively)	290	207
Regulatory Assets, Noncurrent	2,738	3,179
Retained Earnings [Member]
Significant Accounting Policies [Line Items]
Member’s Equity	270	18	515	1,921
Retained Earnings [Member] \| Scenario, Previously Reported [Member]
Significant Accounting Policies [Line Items]
Member’s Equity		1	498	1,904
Retained Earnings [Member] \| Restatement Adjustment [Member]
Significant Accounting Policies [Line Items]
Member’s Equity		$ 17	$ 17	$ 17