Debt and Credit Facilities (Tables)

9 Months Ended

Sep. 30, 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		September 30, 2015
Unsecured Debt
Progress Energy (Parent)	January 2016	5.625	%	$	300
Duke Energy Indiana	June 2016	6.05	%	325
First Mortgage Bonds
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
Duke Energy Indiana	July 2016	0.636	%	150
Other				311
Current maturities of long-term debt				$	2,536

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, variable-rate demand tax-exempt bonds that may be put to the Duke Energy Registrants at the option of the holder and as security to meet obligations under the Plea Agreements. The table below includes the current borrowing sublimits and available capacity under the Master Credit Facility.

	September 30, 2015
				Duke			Duke			Duke			Duke			Duke			Duke
	Duke			Energy			Energy			Energy			Energy			Energy			Energy
(in millions)	Energy			(Parent)			Carolinas			Progress			Florida			Ohio			Indiana
Facility size(a)	$	7,500		$	3,300		$	800		$	1,300		$	1,200		$	400		$	500
Reduction to backstop issuances
Commercial paper(b)	(1,793		)	(1,318		)	(300		)	—			—			(25		)	(150		)
Outstanding letters of credit	(72		)	(64		)	(4		)	(3		)	(1		)	—			—
Tax-exempt bonds	(116		)	—			(35		)	—			—			—			(81		)
Coal ash set-aside(c)	(500		)	—			(250		)	(250		)	—			—			—
Available capacity	$	5,019		$	1,918		$	211		$	1,047		$	1,199		$	375		$	269

(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.

(c) On May 14, 2015, the United States District Court for the Eastern District of North Carolina approved the separate Plea Agreements entered into by Duke Energy Carolinas, Duke Energy Progress and DEBS, a wholly owned subsidiary of Duke Energy, in connection with the investigation initiated by the USDOJ. Duke Energy Carolinas and Duke Energy Progress are required to each maintain $250 million of available capacity under the Master Credit Facility as security to meet their obligations under the Plea Agreements, in addition to certain other conditions. See Note 5 for further details.

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

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

				Nine Months Ended
				September 30, 2015
						Duke		Duke
	Maturity	Interest		Duke		Energy		Energy
Issuance Date	Date	Rate		Energy		Carolinas		Progress
First Mortgage Bonds
March 2015(a)	June 2045	3.750	%	$	500	$	500	$	—
August 2015(b)	August 2025	3.250	%	500		—		500
August 2015(b)	August 2045	4.200	%	700		—		700
Total issuances				$	1,700	$	500	$	1,200

(a) Proceeds were used to redeem at maturity $500 million of first mortgage bonds due October 2015.

(b) Proceeds were used to repay short-term money pool and commercial paper borrowings issued to fund a portion of the NCEMPA acquisition, see Note 2 for further information. Additionally, proceeds will be used to refinance at maturity $400 million of first mortgage bonds due December 2015.