Regulatory capitalization ratio, debt.

No definition available.

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- Definition

Regulatory capitalization ratio, equity.

+ References

No definition available.

+ Details

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- Definition

Amount of cash eligible for distribution to members or limited partners of limited liability company (LLC) or limited partnership (LP), subject to reserves to be maintained as defined in operating or partnership agreement, or in a credit facility agreement.

+ References

No definition available.

+ Details

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- Definition

Amount of cash distribution paid to unit-holder of limited liability company (LLC).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

+ Details

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- Definition

Percentage of public utility's approved debt to capital, including debt and equity.

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's approved equity to capital, including debt and equity.

+ References

No definition available.

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Membership Interests (Narrative) (Details) - USD ($) $ in Millions		6 Months Ended
	Jul. 29, 2015	Jun. 30, 2015	Jun. 30, 2014
Subsequent Event [Line Items]
Declaration of cash distribution to members		$ 165	$ 110
Assumed debt to equity ratio, debt		60.00%
Assumed debt to equity ratio, equity		40.00%
Regulatory capitalization ratio, debt		59.60%
Regulatory capitalization ratio, equity		40.40%
Cash available for distribution under the capital structure restriction		$ 68
Subsequent Event [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Declaration of cash distribution to members	$ 120
Subsequent Event [Member] \| Minimum [Member]
Subsequent Event [Line Items]
Declaration of cash distribution to members	$ 110