This element represents the total cash call issued by an equity method investee to fund a debt repayment.

No definition available.

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- Definition

The amount of accumulated other comprehensive income loss reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of cash and cash equivalents reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of deferred credits and other liabilities reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of the depreciation and amortization reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of financial charges and other reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of long-term debt, including current maturities reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of the operating expenses reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of other current assets reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of other noncurrent assets reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

The amount of plant property and equipment, net reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

Represents the transaction fee of related to investments accounted for under the equity method of accounting.

+ References

No definition available.

+ Details

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- Definition

The amortization period transaction fee of related to investments accounted for under the equity method of accounting.

+ References

No definition available.

+ Details

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- Definition

This item represents the entity's proportionate share for the period of the undistributed earnings of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied.

+ References

No definition available.

+ Details

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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)

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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.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-Paragraph 3

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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

The amount of assets reported by an equity method investment of the entity.

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- Definition

The amount of current assets reported by an equity method investment of the entity.

+ References

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- Definition

The amount of current liabilities reported by an equity method investment of the entity.

+ References

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- Definition

Amount of equity, including noncontrolling interest, reported by an equity method investment of the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

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- Definition

The amount of liabilities and equity reported by an equity method investment of the entity.

+ References

+ Details

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- Definition

The amount of net income (loss) reported by an equity method investment of the entity.

+ References

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- Definition

The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity.

+ References

No definition available.

+ Details

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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

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INVESTMENTS IN UNCONSOLIDATED AFFILIATES (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended
	Apr. 30, 2006	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Investments in unconsolidated affiliates
Equity Earnings from Unconsolidated Affiliates		$ 31	$ 33
Investments in Unconsolidated Affiliates		1,183us-gaap_EquityMethodInvestments		1,177us-gaap_EquityMethodInvestments
Northern Border
Investments in unconsolidated affiliates
Transaction fee	10
Interest acquired by Partnership (as a percent)	20.00%
Great Lakes
Investments in unconsolidated affiliates
Total cash call issued to fund debt repayment		9
Northern Border
Investments in unconsolidated affiliates
Ownership interest (as a percent)		50.00%
Equity Earnings from Unconsolidated Affiliates		20	23
Investments in Unconsolidated Affiliates		503		505
Amortization period of transaction fee	12 years
Undistributed earnings		0	0
Assets
Cash and cash equivalents		51		41
Other current assets		36		34
Plant, property and equipment, net		1,150		1,163
Other assets		33		34
Assets, total		1,270		1,272
LIABILITIES AND PARTNERS' EQUITY
Current liabilities		65		64
Deferred credits and other		23		22
Long-term debt, including current maturities		411		411
Partners' equity
Partners' equity		773		777
Accumulated other comprehensive loss		(2)		(2)
Liabilities and Partners' Equity, total		1,270		1,272
Revenues (expenses)
Transmission revenues		75	86
Operating expenses		(16)	(18)
Depreciation		(15)	(15)
Financial charges and other		(5)	(6)
Net income		39	47
Great Lakes
Investments in unconsolidated affiliates
Ownership interest (as a percent)		46.45%
Equity Earnings from Unconsolidated Affiliates		11	10
Investments in Unconsolidated Affiliates		680		672
Equity contribution		4	4
Undistributed earnings		0	0
Assets
Current assets		88		66
Plant, property and equipment, net		741		748
Assets, total		829		814
LIABILITIES AND PARTNERS' EQUITY
Current liabilities		45		38
Long-term debt, including current maturities		307		316
Partners' equity
Partners' equity		477		460
Liabilities and Partners' Equity, total		829		814
Revenues (expenses)
Transmission revenues		48	48
Operating expenses		(11)	(12)
Depreciation		(7)	(7)
Financial charges and other		(6)	(7)
Net income		$ 24	$ 22