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Debt and Credit Facilities | 9 Months Ended
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Sep. 30, 2023
Debt Disclosure [Abstract] |
Debt and Credit Facilities | DEBT AND CREDIT FACILITIESDebt related to the Commercial Renewables Disposal Groups is now classified as held for sale and is excluded from the following disclosures. See Note 2 for further information. SUMMARY OF SIGNIFICANT DEBT ISSUANCES The following table summarizes significant debt issuances (in millions).
|  |  |  |  | Nine Months Ended September 30, 2023
|  |  |  |  |  |  | Duke |  | Duke |  | Duke |  | Duke |  | Duke |  | Duke |  |
| Maturity |  | Interest |  | Duke |  | Energy |  | Energy |  | Energy |  | Energy |  | Energy |  | Energy |  |
Issuance Date | Date |  | Rate |  | Energy |  | (Parent) |  | Carolinas |  | Progress |  | Florida |  | Ohio |  | Indiana |  | Piedmont
Unsecured Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
April 2023(a) | April 2026 |  | 4.125 | % |  | $ | 1,725 |  |  | $ | 1,725 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
June 2023(b) | June 2033 |  | 5.400 | % |  | 350 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 350 |
September 2023(c) | September 2033 |  | 5.750 | % |  | 600 |  |  | 600 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
September 2023(c) | September 2053 |  | 6.100 | % |  | 750 |  |  | 750 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
First Mortgage Bonds |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
January 2023(d) | January 2033 |  | 4.950 | % |  | 900 |  |  | — |  |  | 900 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
January 2023(d) | January 2053 |  | 5.350 | % |  | 900 |  |  | — |  |  | 900 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
March 2023(e) | March 2033 |  | 5.250 | % |  | 500 |  |  | — |  |  | — |  |  | 500 |  |  | — |  |  | — |  |  | — |  |  | — |
March 2023(e) | March 2053 |  | 5.350 | % |  | 500 |  |  | — |  |  | — |  |  | 500 |  |  | — |  |  | — |  |  | — |  |  | — |
March 2023(f) | April 2033 |  | 5.250 | % |  | 375 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 375 |  |  | — |  |  | — |
March 2023(f) | April 2053 |  | 5.650 | % |  | 375 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 375 |  |  | — |  |  | — |
March 2023(g) | April 2053 |  | 5.400 | % |  | 500 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 500 |  |  | — |
June 2023(h) | January 2033 |  | 4.950 | % |  | 350 |  |  | — |  |  | 350 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
June 2023(h) | January 2054 |  | 5.400 | % |  | 500 |  |  | — |  |  | 500 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
September 2023(i) | October 2073 |  | 4.960 | % |  | 200 |  |  | — |  |  | — |  |  | — |  |  | 200 |  |  | — |  |  | — |  |  | — |
Total issuances |  |  |  |  | $ | 8,525 |  |  | $ | 3,075 |  |  | $ | 2,650 |  |  | $ | 1,000 |  |  | $ | 200 |  |  | $ | 750 |  |  | $ | 500 |  |  | $ | 350 |
(a)See "Duke Energy (Parent) Convertible Senior Notes" below for additional information. (b)Proceeds will be used to repay $45 million of maturities due October 2023, to pay down a portion of short-term debt and for general corporate purposes. (c)Proceeds were primarily used to repay $400 million of maturities due October 2023, to pay down a portion of short-term debt and for general corporate purposes. (d)Proceeds were used to repay $1 billion of maturities due March 2023, to pay down a portion of short-term debt and for general company purposes. (e)Proceeds will be used to repay $300 million of maturities due September 2023, to pay down a portion of short-term debt and for general company purposes. (f)Proceeds will be used to repay $300 million of maturities due September 2023 and a portion of the $100 million term loan due October 2023. Remaining proceeds will be used to repay a portion of short-term debt and for general corporate purposes. (g)Proceeds were used to repay the $300 million term loan due October 2023. Remaining proceeds will be used to repay a portion of short-term debt and for general company purposes. (h)Proceeds were used to pay down a portion of short-term debt and for general company purposes. (i)Proceeds were used to pay down a portion of short-term debt and for general company purposes. Duke Energy (Parent) Convertible Senior Notes In April 2023, Duke Energy (Parent) completed the sale of $1.7 billion 4.125% Convertible Senior Notes due April 2026 (convertible notes). The convertible notes are senior unsecured obligations of Duke Energy, and will mature on April 15, 2026, unless earlier converted or repurchased in accordance with their terms. The convertible notes bear interest at a fixed rate of 4.125% per year, payable semiannually in arrears on April 15 and October 15 of each year, beginning on October 15, 2023. Proceeds were used to repay a portion of outstanding commercial paper and for general corporate purposes. Prior to the close of business on the business day immediately preceding January 15, 2026, the convertible notes will be convertible at the option of the holders when the following conditions are met: •during any calendar quarter commencing after the calendar quarter ending on June 30, 2023, (and only during such calendar quarter) if the last reported sale price of Duke Energy common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; •during the five consecutive business day period after any 10 consecutive trading day period (the measurement period) in which the trading price, as defined, per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of Duke Energy common stock and the conversion rate on each such trading day; or •upon the occurrence of specified corporate events described in the indenture agreement. On or after January 15, 2026, until the close of business on the second scheduled trading day immediately preceding the maturity date, holders of the convertible notes may convert all or any portion of their convertible notes at their option at any time at the conversion rate then in effect, irrespective of these conditions. Duke Energy will settle conversions of the convertible notes by paying cash up to the aggregate principal amount of the convertible notes to be converted and paying or delivering, as the case may be, cash, shares of Duke Energy's common stock, $0.001 par value per share, or a combination of cash and shares of its common stock, at its election, in respect of the remainder, if any, of its conversion obligation in excess of the aggregate principal amount of the convertible notes being converted. The conversion rate for the convertible notes is initially 8.4131 shares of Duke Energy's common stock per $1,000 principal amount of convertible notes. The initial conversion price of the convertible notes represents a premium of approximately 25% over the last reported sale price of Duke Energy’s common stock on the NYSE on April 3, 2023. The conversion rate and the corresponding conversion price will not be adjusted for any accrued and unpaid interest but will be subject to adjustment in some instances, such as stock splits or share combinations, certain distributions to common stockholders, or tender offers at off-market rates. The changes in the conversion rates are intended to make convertible note holders whole for changes in the fair value of Duke Energy common stock resulting from such events. Duke Energy may not redeem the convertible notes prior to the maturity date. Duke Energy issued the convertible notes pursuant to an indenture, dated as of April 6, 2023, by and between Duke Energy and The Bank of New York Mellon Trust Company, N.A., as trustee. The terms of the convertible notes include customary fundamental change provisions that require repayment of the notes with interest upon certain events, such as a stockholder approved plan of liquidation or if Duke Energy's common stock ceases to be listed on the NYSE. CURRENT MATURITIES OF LONG-TERM 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, 2023
Unsecured Debt |  |  |  |  |
Duke Energy Ohio(a) | October 2023 |  | 5.813 | % |  | $ | 150 |
Duke Energy (Parent) | October 2023 |  | 3.950 | % |  | 400 |
Duke Energy (Parent) Term Loan Facility(a) | March 2024 |  | 6.048 | % |  | 1,000 |
Duke Energy (Parent) | April 2024 |  | 3.750 | % |  | 1,000 |
Duke Energy Florida(a) | April 2024 |  | 6.196 | % |  | 800 |
Other(b) |  |  |  |  | 684 |
Current maturities of long-term debt |  |  |  |  | $ | 4,034 |
(a)Debt has a floating interest rate. In October 2023, Duke Energy Kentucky's $50 million two-year term loan facility was increased to $75 million and it's maturity was extended to April 2024. The term loan was fully drawn at the time of closing with incremental borrowings under the facility used to pay down short-term debt and for general corporate purposes. (b)Includes finance lease obligations, amortizing debt, tax-exempt bonds with mandatory put options and small bullet maturities. AVAILABLE CREDIT FACILITIES Master Credit Facility In March 2023, Duke Energy amended its existing Master Credit Facility of $9 billion to extend the termination date to March 2028. The Duke Energy Registrants, excluding Progress Energy, 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. An amendment in conjunction with the issuance of the Convertible Senior Notes due April 2026 clarifies that payments due as a result of a conversion of a convertible note would not constitute an event of default. The table below includes the current borrowing sublimits and available capacity under these credit facilities.
| September 30, 2023
|  |  | 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 |  |  | $ | 2,275 |  |  | $ | 1,575 |  |  | $ | 1,400 |  |  | $ | 1,250 |  |  | $ | 750 |  |  | $ | 950 |  |  | $ | 800 |
Reduction to backstop issuances |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper(b) | (2,815) |  |  | (106) |  |  | (631) |  |  | (841) |  |  | (292) |  |  | (298) |  |  | (350) |  |  | (297) |
Outstanding letters of credit | (39) |  |  | (27) |  |  | (4) |  |  | (1) |  |  | (7) |  |  | — |  |  | — |  |  | — |
Tax-exempt bonds | (81) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (81) |  |  | — |
Available capacity under the Master Credit Facility | $ | 6,065 |  |  | $ | 2,142 |  |  | $ | 940 |  |  | $ | 558 |  |  | $ | 951 |  |  | $ | 452 |  |  | $ | 519 |  |  | $ | 503 |
(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. Other Credit Facilities Duke Energy (Parent) Term Loan Facility In March 2022, Duke Energy (Parent) entered into a Term Loan Credit Agreement (Credit Agreement) with commitments totaling $1.4 billion maturing March 2024. The maturity date of the Credit Agreement may be extended for up to two years by request of Duke Energy (Parent), upon satisfaction of certain conditions contained in the Credit Agreement. Borrowings under the facility were used to repay amounts drawn under the Three-Year Revolving Credit Facility and for general corporate purposes, including repayment of a portion of Duke Energy's outstanding commercial paper. The balance is classified as Current maturities of long-term debt on Duke Energy's Condensed Consolidated Balance Sheets. In March 2023, Duke Energy amended its existing Credit Agreement in conjunction with the issuance of the Convertible Senior Notes due April 2026 to clarify that payments due as a result of a conversion of a convertible note would not constitute an event of default.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 470 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//470/tableOfContent Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1C -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1C Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1C -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1C Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1C -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1C Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1E Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1I Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1I Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1I + Details
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