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

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- Definition

Borrowing limitation for transferred receivables

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No definition available.

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- Definition

Minimum equity Balance required by Cinergy Receivables

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Sale of Receivables, Fixed Rate Used in Calculation

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No definition available.

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Secured Credit Facility Of Vie

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Subordinated Retained Interest Limitation Of The Total Proceeds

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

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No definition available.

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Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

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Stated interest rate of the subordinated debt.

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Variable Interest Entities (Narrative) (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	60 Months Ended	9 Months Ended			9 Months Ended
	Aug. 31, 2014	Dec. 31, 2016	Sep. 30, 2012 Cinergy Receivables [Member] Variable Interest Entity [Member]	Sep. 30, 2012 FPC Capital I Trust [Member] Non-Consolidated VIEs [Member]	Sep. 30, 2012 Duke Energy Carolinas [Member] DERF [Member] Variable Interest Entity [Member]	Sep. 30, 2011 Duke Energy Ohio [Member]	Sep. 30, 2012 Duke Energy Ohio [Member] Non-Consolidated VIEs [Member]	Sep. 30, 2012 Duke Energy Ohio [Member] Cinergy Receivables [Member] Non-Consolidated VIEs [Member]	Sep. 30, 2011 Duke Energy Indiana [Member]	Sep. 30, 2012 Duke Energy Indiana [Member] Non-Consolidated VIEs [Member]	Sep. 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%
Line of Credit Facility, Expiration Date	August 2014
CinCap purchased power contract expiration		2016
Preferred Stock, Dividend Rate, Percentage				0.00%
Preferred Securities Liquidation Value				300
Debt Instrument, Face Amount				$ 300
Subordinated Borrowing, Interest Rate				0.00%