Debt and Credit Facilities (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Schedule Of Debt

The following table shows the significant components of Current maturities of long-term debt on the Condensed Consolidated Balance Sheets. The Duke Energy Registrants currently anticipate satisfying these obligations with cash on hand and proceeds from additional borrowings.

(in millions)	Maturity Date	Interest Rate		March 31, 2015
Unsecured Debt
Duke Energy (Parent)	April 2015	3.350	%	$	450
Progress Energy (Parent)	January 2016	5.625	%	300
First Mortgage Bonds
Duke Energy Progress	April 2015	5.150	%	300
Duke Energy Carolinas	October 2015	5.300	%	500
Duke Energy Florida	November 2015	0.650	%	250
Duke Energy Florida	December 2015	5.100	%	300
Duke Energy Progress	December 2015	5.250	%	400
Other				300
Current maturities of long-term debt				$	2,800

Schedule Of Line Of Credit Facilities

Duke Energy has a Master Credit Facility with a capacity of $7.5 billion through January 2020. The Duke Energy Registrants, excluding Progress Energy (Parent), have borrowing capacity under the Master Credit Facility up to a specified sublimit for each borrower. Duke Energy has the unilateral ability at any time to increase or decrease the borrowing sublimits of each borrower, subject to a maximum sublimit for each borrower. The amount available under the Master Credit Facility has been reduced to backstop issuances of commercial paper, certain letters of credit and variable-rate demand tax-exempt bonds that may be put to the Duke Energy Registrants at the option of the holder. The table below includes the current borrowing sublimits and available capacity under the Master Credit Facility.

	March 31, 2015
(in millions)	Duke Energy			Duke Energy (Parent)			Duke Energy Carolinas			Duke Energy Progress			Duke Energy Florida			Duke Energy Ohio			Duke Energy Indiana
Facility size(a)	$	7,500		$	3,200		$	1,200		$	1,000		$	900		$	600		$	600
Reduction to backstop issuances
Commercial paper(b)	(3,256		)	(2,764		)	(300		)	—			(17		)	(25		)	(150		)
Outstanding letters of credit	(66		)	(60		)	(4		)	(1		)	(1		)	—			—
Tax-exempt bonds	(116		)	—			(35		)	—			—			—			(81		)
Available capacity	$	4,062		$	376		$	861		$	999		$	882		$	575		$	369

(a) Represents the sublimit of each borrower.

(b) Duke Energy issued $475 million of commercial paper and loaned the proceeds through the money pool to Duke Energy Carolinas, Duke Energy Ohio and Duke Energy Indiana. The balances are classified as Long-Term Debt Payable to Affiliated Companies in the Condensed Consolidated Balance Sheets.

Schedule of Long-term Debt Instruments [Table Text Block]

The following table summarizes significant debt issuances (in millions).

				Three Months Ended March 31, 2015
Issuance Date	Maturity Date	Interest Rate			Duke Energy		Duke Energy Carolinas
First Mortgage Bonds
March 2015(a)	June 2045	3.750	%		$	500	$	500
Total issuances					$	500	$	500

(a) Proceeds will be used to redeem $500 million of first mortgage bonds due October 2015.