Duke Energy's expiration date for purchased power contract with Central Maine Power Company.

No definition available.

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- Definition

Borrowing limitation for transferred receivables

+ References

No definition available.

+ Details

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- Definition

Duke Energy's expiration date for purchased power contract with OVEC.

+ References

No definition available.

+ Details

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- Definition

Minimum equity Balance required by Cinergy Receivables

+ References

No definition available.

+ Details

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- Definition

Sale of Receivables, Fixed Rate Used in Calculation

+ References

No definition available.

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- Definition

Secured Credit Facility Of Vie

+ References

No definition available.

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- Definition

Subordinated Retained Interest Limitation Of The Total Proceeds

+ References

No definition available.

+ Details

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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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

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-Publisher AICPA

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-Paragraph 20

-Subparagraph a (1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

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-SubTopic 10

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- Definition

Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter).

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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-Subparagraph (SX 210.5-02.19(b),22(b))

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- Definition

Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

-Paragraph 22

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-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (SX 210.5-02.22)

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Variable Interest Entities (Narrative) (Details) (USD $) In Millions, unless otherwise specified			6 Months Ended
	Dec. 31, 2010 DukeNet And Alinda Capital Partners LLC Ownership In The New Joint Venture [Member] Non-Consolidated VIEs [Member]	Jun. 30, 2012 DukeNet [Member] Non-Consolidated VIEs [Member]	Jun. 30, 2012 Cinergy Receivables [Member] Variable Interest Entity [Member]	Jun. 30, 2012 Cincap V [Member] Variable Interest Entity [Member]	Jun. 30, 2012 Duke Energy Carolinas [Member] DERF [Member] Variable Interest Entity [Member]	Jun. 30, 2011 Duke Energy Ohio [Member]	Jun. 30, 2012 Duke Energy Ohio [Member] Non-Consolidated VIEs [Member]	Jun. 30, 2012 Duke Energy Ohio [Member] Cinergy Receivables [Member] Non-Consolidated VIEs [Member]	Jun. 30, 2012 Duke Energy Ohio [Member] Other VIEs [Member] Non-Consolidated VIEs [Member]	Jun. 30, 2011 Duke Energy Indiana [Member]	Jun. 30, 2012 Duke Energy Indiana [Member] Non-Consolidated VIEs [Member]	Jun. 30, 2012 Duke Energy Indiana [Member] Cinergy Receivables [Member] Non-Consolidated VIEs [Member]
Borrowing limitation for CRC			75.00%
Minimum Equity Balance required by Cinergy Receivables			$ 3
Subordinated retained interest limitation of the total proceeds			25.00%					25.00%				25.00%
Secured credit facility of variable interest entities					300
Fixed rate used when selling receivables						2.39%	1.00%			2.39%	1.00%
Equity ownership interest rate	50.00%								9.00%
Senior secured credit facility		$ 150
Line of Credit Facility, Expiration Date			October 2012		August 2013
OVEC Purchased Power Contract Expiration									June 2040
CinCap purchased power contract expiration				2016