Debt and Credit Facilities (Tables)

9 Months Ended

Sep. 30, 2022

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

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

				Nine Months Ended September 30, 2022
						Duke		Duke		Duke
	Maturity	Interest		Duke		Energy		Energy		Energy
Issuance Date	Date	Rate		Energy		(Parent)		Carolinas		Progress		Piedmont
Unsecured Debt
May 2022(a)	May 2052	5.050	%	$	400	$	—	$	—	$	—	$	400
June 2022(b)	June 2028	4.750	%	645		645		—		—		—
June 2022(b)	June 2034	5.306	%	537		537		—		—		—
August 2022(c)	March 2028	4.300	%	900		900		—		—		—
August 2022(c)	August 2032	4.500	%	1,150		1,150		—		—		—
August 2022(c)	August 2052	5.000	%	1,150		1,150		—		—		—
First Mortgage Bonds
March 2022(d)	March 2032	2.850	%	500		—		500		—		—
March 2022(d)	March 2052	3.550	%	650		—		650		—		—
March 2022(d)	April 2032	3.400	%	500		—		—		500		—
March 2022(d)	April 2052	4.000	%	400		—		—		400		—
Tax-exempt Bonds
June 2022(e)	September 2030	4.000	%	168		168		—		—		—
June 2022(e)	November 2039	4.250	%	234		234		—		—		—
September 2022(f)	October 2046	3.300	%	200		—		—		200		—
September 2022(g)	October 2046	3.700	%	210		—		—		210		—
September 2022(g)	October 2046	4.000	%	42		—		—		42		—
Total issuances				$	7,686	$	4,784	$	1,150	$	1,352	$	400

(a)Proceeds were used to pay down a portion of outstanding intercompany short-term debt and for general corporate purposes.

(b)Duke Energy (Parent) issued 600 million euros aggregate principal amount of 3.10% senior notes due June 2028 and 500 million euros aggregate principal amount of 3.85% senior notes due June 2034. Proceeds were used to repay a $500 million debt maturity, pay down short-term debt and for general corporate purposes. Duke Energy's obligations under its euro-denominated fixed-rate notes were effectively converted to fixed-rate U.S. dollars at issuance through cross-currency swaps, mitigating foreign currency exchange risk associated with the interest and principal payments. See Note 9 for additional information.

(c)Proceeds will be used to repay a portion of short-term debt and for general corporate purposes.

(d)Proceeds were used to finance or refinance, in whole or in part, existing or new eligible projects under the sustainable financing framework.

(e)Proceeds were used to provide funds to refund the prior bonds, which were used to finance or refinance portions of certain solid waste disposal facilities. The mandatory purchase date of these bonds is June 1, 2027.

(f)Proceeds were used to provide funds to refund the prior bonds, which were used to finance or refinance portions of certain air and water pollution control equipment and solid waste disposal equipment. The mandatory purchase date of these bonds is October 1, 2026.

(g)Proceeds were used to provide funds to refund the prior bonds, which were used to finance or refinance portions of certain air and water pollution control equipment and solid waste disposal equipment. The mandatory purchase date of these bonds is October 1, 2030.

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, 2022
Unsecured Debt(a)
Duke Energy (Parent)	April 2023	2.875	%	$	350
Duke Energy (Parent)(b)	June 2023	2.048	%	500
First Mortgage Bonds
Duke Energy Carolinas	March 2023	2.500	%	500
Duke Energy Carolinas	March 2023	3.050	%	500
Duke Energy Progress	September 2023	3.375	%	300
Duke Energy Ohio	September 2023	3.800	%	300
Other(c)				799
Current maturities of long-term debt				$	3,249

(a)In May 2022, Duke Energy (Parent) early retired $500 million of unsecured debt with an original maturity date of August 2022.

(b)Debt has a floating interest rate.

(c)Includes finance lease obligations, amortizing debt, tax-exempt bonds with mandatory put options and small bullet maturities.

Schedule of Line of Credit Facilities

The table below includes the current borrowing sublimits and available capacity under these credit facilities.

	September 30, 2022
			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)	$	9,000	$	3,000	$	1,225	$	950	$	1,350	$	775	$	900	$	800
Reduction to backstop issuances
Commercial paper(b)	(3,339)		(135)		(827)		(150)		(887)		(476)		(586)		(278)
Outstanding letters of credit	(38)		(25)		(4)		(2)		(7)		—		—		—
Tax-exempt bonds	(81)		—		—		—		—		—		(81)		—
Available capacity under the Master Credit Facility	$	5,542	$	2,840	$	394	$	798	$	456	$	299	$	233	$	522

(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.