Debt and Credit Facilities (Tables)

6 Months Ended

Jun. 30, 2017

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The following table summarizes significant debt issuances (in millions). Refer to the "Available Credit Facilities" section below regarding amounts issued under the Three Year Revolver and the Piedmont Term Loan facilities.

				Six Months Ended June 30, 2017
						Duke		Duke		Duke
	Maturity	Interest		Duke		Energy		Energy		Energy
Issuance Date	Date	Rate		Energy		(Parent)		Florida		Ohio
Unsecured Debt
April 2017(a)	April 2025	3.364	%	$	420	$	420	$	—	$	—
June 2017(b)	June 2020	2.100	%	330		330		—		—
Secured Debt
February 2017(c)	June 2034	4.120	%	587		—		—		—
First Mortgage Bonds
January 2017(d)	January 2020	1.850	%	250		—		250		—
January 2017(d)	January 2027	3.200	%	650		—		650		—
March 2017(e)	June 2046	3.700	%	100		—		—		100
Total issuances				$	2,337	$	750	$	900	$	100

(a) Proceeds were used to refinance $400 million of unsecured debt at maturity and to repay a portion of outstanding commercial paper.

(b) Debt issued to repay a portion of outstanding commercial paper.

(c) Portfolio financing of four Texas and Oklahoma wind facilities. Secured by substantially all of the assets of these wind facilities and nonrecourse to Duke Energy. Proceeds were used to reimburse Duke Energy for a portion of previously funded construction expenditures.

(d) Debt issued to fund capital expenditures for ongoing construction and capital maintenance, to repay at maturity a $250 million aggregate principal amount of bonds due September 2017 and for general corporate purposes.

(e) Proceeds were used to fund capital expenditures for ongoing construction, capital maintenance and for general corporate purposes.

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		June 30, 2017
Unsecured Debt
Duke Energy (Parent)	August 2017	1.625	%	$	700
Piedmont	September 2017	8.510	%	35
Duke Energy (Parent)	June 2018	6.250	%	250
Duke Energy (Parent)	June 2018	2.100	%	500
First Mortgage Bonds
Duke Energy Florida	September 2017	5.800	%	250
Duke Energy Progress	November 2017	1.372	%	200
Duke Energy Carolinas	January 2018	5.250	%	400
Duke Energy Carolinas	April 2018	5.100	%	300
Duke Energy Florida	June 2018	5.650	%	500
Other(a)				337
Current maturities of long-term debt				$	3,472

(a)    Includes capital lease obligations, amortizing debt and small bullet maturities.

Schedule Of Line Of Credit Facilities

The table below includes the current borrowing sublimits and available capacity under the Master Credit Facility.

	June 30, 2017
				Duke			Duke			Duke			Duke			Duke			Duke
	Duke			Energy			Energy			Energy			Energy			Energy			Energy
(in millions)	Energy			(Parent)			Carolinas			Progress			Florida			Ohio			Indiana			Piedmont
Facility size(a)	$	8,000		$	3,150		$	1,350		$	1,250		$	700		$	450		$	600		$	500
Reduction to backstop issuances
Commercial paper(b)	(3,115		)	(1,392		)	(732		)	(661		)	—			(45		)	(150		)	(135		)
Outstanding letters of credit	(68		)	(59		)	(4		)	(2		)	(1		)	—			—			(2		)
Tax-exempt bonds	(81		)	—			—			—			—			—			(81		)	—
Coal ash set-aside	(500		)	—			(250		)	(250		)	—			—			—			—
Available capacity under the Master Credit Facility	$	4,236		$	1,699		$	364		$	337		$	699		$	405		$	369		$	363

(a) Represents the sublimit of each borrower.

(b) Duke Energy issued $625 million of commercial paper and loaned the proceeds through the money pool to Duke Energy Carolinas, Duke Energy Progress, Duke Energy Ohio and Duke Energy Indiana. The balances are classified as Long-Term Debt Payable to Affiliated Companies on the Condensed Consolidated Balance Sheets.