XML 194 R139.htm IDEA: XBRL DOCUMENT
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Debt and Credit Facilities (Summary of Debt Issuances) (Details) |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 05, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2022 EUR (€)
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | $ 9,825,000,000 | $ 9,186,000,000 |  |
Repayments of long-term debt |  | $ 4,737,000,000 | $ 4,396,000,000 | $ 5,294,000,000 |
May 2022 Notes Due May 2052 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 5.05% |  | 5.05%
Debt issuances |  |  | $ 400,000,000 |  |
June 2022 Notes Due June 2028 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 4.75% |  | 4.75%
Debt issuances |  |  | $ 645,000,000 |  |
June 2022 Notes Due June 2034 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 5.306% |  | 5.306%
Debt issuances |  |  | $ 537,000,000 |  |
August 2022 Notes Due March 2028 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 4.30% |  | 4.30%
Debt issuances |  |  | $ 900,000,000 |  |
August 2022 Notes Due August 2032 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 4.50% |  | 4.50%
Debt issuances |  |  | $ 1,150,000,000 |  |
August 2022 Notes Due August 2052 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 5.00% |  | 5.00%
Debt issuances |  |  | $ 1,150,000,000 |  |
December 2022 Notes Due December 2025 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 5.00% |  | 5.00%
Debt issuances |  |  | $ 500,000,000 |  |
December 2022 Notes Due December 2027 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 5.00% |  | 5.00%
Debt issuances |  |  | $ 500,000,000 |  |
March 2022 Notes Due 2032 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 2.85% |  | 2.85%
Debt issuances |  |  | $ 500,000,000 |  |
March 2022 Notes Due March 2052 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 3.55% |  | 3.55%
Debt issuances |  |  | $ 650,000,000 |  |
March 2022 Notes Due April 2032 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 3.40% |  | 3.40%
Debt issuances |  |  | $ 500,000,000 |  |
March 2022 Notes Due April 2052 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 4.00% |  | 4.00%
Debt issuances |  |  | $ 400,000,000 |  |
November 2022 Notes Due November 2052 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 5.95% |  | 5.95%
Debt issuances |  |  | $ 500,000,000 |  |
June 2022 Notes Due September 2030 | Tax-exempt bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 4.00% |  | 4.00%
Debt issuances |  |  | $ 168,000,000 |  |
June 2022 Notes Due November 2039 | Tax-exempt bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 4.25% |  | 4.25%
Debt issuances |  |  | $ 234,000,000 |  |
September 2022 Notes Due September 2036 | Tax-exempt bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 3.30% |  | 3.30%
Debt issuances |  |  | $ 200,000,000 |  |
September 2022 Notes Due September 2030 (1) | Tax-exempt bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 3.70% |  | 3.70%
Debt issuances |  |  | $ 210,000,000 |  |
September 2022 Notes Due September 2030 (2) | Tax-exempt bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 4.00% |  | 4.00%
Debt issuances |  |  | $ 42,000,000 |  |
June 2022 Notes Due June 2028 And 2034 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 3.10% |  | 3.10%
Debt issuances |  |  | $ 600,000,000 |  |
Repayments of long-term debt |  |  | $ 500,000,000 |  |
June 2022 Notes Due 2034 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 3.85% |  | 3.85%
Debt issuances | € |  |  |  |  | € 500,000,000
4.125% April 2023 2023 Notes Due April 2026 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 4.125% |  |  |
Debt issuances |  | $ 1,725,000,000 |  |  |
5.400% June 2023 2023 Notes Due June 2023 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 5.40% |  |  |
Debt issuances |  | $ 350,000,000 |  |  |
Sept 2023 5.75% Notes Due Sept 2033 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 5.75% |  |  |
Debt issuances |  | $ 600,000,000 |  |  |
Sept 2023 4.300% Notes Due Sept 2053 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 6.10% |  |  |
Debt issuances |  | $ 750,000,000 |  |  |
4.95% January 2023 Notes Due January 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 4.95% |  |  |
Debt issuances |  | $ 900,000,000 |  |  |
5.350% January 2023 Notes Due January 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 5.35% |  |  |
Debt issuances |  | $ 900,000,000 |  |  |
5.250% March 2023 Notes Due March 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 5.25% |  |  |
Debt issuances |  | $ 500,000,000 |  |  |
5.350% March 2023 Notes Due March 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 5.35% |  |  |
Debt issuances |  | $ 500,000,000 |  |  |
5.250% March 2023 Notes Due April 2033 (2) | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 5.25% |  |  |
Debt issuances |  | $ 375,000,000 |  |  |
5.650% March 2023 Notes Due April 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 5.65% |  |  |
Debt issuances |  | $ 375,000,000 |  |  |
5.400% March 2023 Notes Due April 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 5.40% |  |  |
Debt issuances |  | $ 500,000,000 |  |  |
4.950% June 2023 2023 Notes Due January 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 4.95% |  |  |
Debt issuances |  | $ 350,000,000 |  |  |
5.400% June 2023 2023 Notes Due January 2054 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 5.40% |  |  |
Debt issuances |  | $ 500,000,000 |  |  |
4.960% September 2023 Notes Due October 2073 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 4.96% |  |  |
Debt issuances |  | $ 200,000,000 |  |  |
November 2023 Notes Due November 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 5.875% |  |  |
Debt issuances |  | $ 600,000,000 |  |  |
November 2023 Notes Due November 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  | 6.20% |  |  |
Debt issuances |  | $ 700,000,000 |  |  |
Term Loan Due April 2024 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of debt |  | 800,000,000 |  |  |
Maturities Due October 2023 (3) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of debt |  | 45,000,000 |  |  |
Maturities Due October 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of debt |  | 400,000,000 |  |  |
Maturities Due March 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of debt |  | 1,000,000,000 |  |  |
Maturities Due September 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of debt |  | 300,000,000 |  |  |
Maturities Due October 2023, Portion |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of debt |  | 100,000,000 |  |  |
Maturities Due October 2023 (2) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of debt |  | 300,000,000 |  |  |
Parent Company |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | $ 5,784,000,000 |  |
Parent |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 3,075,000,000 |  |  |
Parent | June 2022 Notes Due June 2028 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 645,000,000 |  |
Parent | June 2022 Notes Due June 2034 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 537,000,000 |  |
Parent | August 2022 Notes Due March 2028 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 900,000,000 |  |
Parent | August 2022 Notes Due August 2032 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 1,150,000,000 |  |
Parent | August 2022 Notes Due August 2052 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 1,150,000,000 |  |
Parent | December 2022 Notes Due December 2025 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 500,000,000 |  |
Parent | December 2022 Notes Due December 2027 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 500,000,000 |  |
Parent | June 2022 Notes Due September 2030 | Tax-exempt bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 168,000,000 |  |
Parent | June 2022 Notes Due November 2039 | Tax-exempt bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 234,000,000 |  |
Parent | 4.125% April 2023 2023 Notes Due April 2026 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 1,725,000,000 |  |  |
Parent | 5.400% June 2023 2023 Notes Due June 2023 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Parent | Sept 2023 5.75% Notes Due Sept 2033 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 600,000,000 |  |  |
Parent | Sept 2023 4.300% Notes Due Sept 2053 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 750,000,000 |  |  |
Duke Energy Carolinas |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 2,650,000,000 | 1,150,000,000 |  |
Repayments of long-term debt |  | 1,042,000,000 | 436,000,000 | 617,000,000 |
Duke Energy Carolinas | March 2022 Notes Due 2032 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 500,000,000 |  |
Duke Energy Carolinas | March 2022 Notes Due March 2052 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 650,000,000 |  |
Duke Energy Carolinas | January 2024 Notes | First Mortgage Bonds | Subsequent Event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances | $ 1,000,000,000 |  |  |  |
Duke Energy Carolinas | January 2024 Notes At 4.95% | First Mortgage Bonds | Subsequent Event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) | 4.85% |  |  |  |
Debt issuances | $ 575,000,000 |  |  |  |
Term (in years) | 10 years |  |  |  |
Duke Energy Carolinas | January 2024 Notes At 5.340% | First Mortgage Bonds | Subsequent Event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) | 5.40% |  |  |  |
Debt issuances | $ 425,000,000 |  |  |  |
Term (in years) | 30 years |  |  |  |
Duke Energy Carolinas | 4.95% January 2023 Notes Due January 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 900,000,000 |  |  |
Duke Energy Carolinas | 5.350% January 2023 Notes Due January 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 900,000,000 |  |  |
Duke Energy Carolinas | 5.250% March 2023 Notes Due March 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Carolinas | 5.350% March 2023 Notes Due March 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Carolinas | 5.250% March 2023 Notes Due April 2033 (2) | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Carolinas | 5.650% March 2023 Notes Due April 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Carolinas | 5.400% March 2023 Notes Due April 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Carolinas | 4.950% June 2023 2023 Notes Due January 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 350,000,000 |  |  |
Duke Energy Carolinas | 5.400% June 2023 2023 Notes Due January 2054 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 500,000,000 |  |  |
Duke Energy Carolinas | 4.960% September 2023 Notes Due October 2073 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Carolinas | November 2023 Notes Due November 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Carolinas | November 2023 Notes Due November 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Progress |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 1,000,000,000 | 1,352,000,000 |  |
Repayments of long-term debt |  | 369,000,000 | 645,000,000 | 1,308,000,000 |
Duke Energy Progress | March 2022 Notes Due April 2032 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 500,000,000 |  |
Duke Energy Progress | March 2022 Notes Due April 2052 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 400,000,000 |  |
Duke Energy Progress | September 2022 Notes Due September 2036 | Tax-exempt bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 200,000,000 |  |
Duke Energy Progress | September 2022 Notes Due September 2030 (1) | Tax-exempt bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 210,000,000 |  |
Duke Energy Progress | September 2022 Notes Due September 2030 (2) | Tax-exempt bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 42,000,000 |  |
Duke Energy Progress | 4.95% January 2023 Notes Due January 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Progress | 5.350% January 2023 Notes Due January 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Progress | 5.250% March 2023 Notes Due March 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 500,000,000 |  |  |
Duke Energy Progress | 5.350% March 2023 Notes Due March 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 500,000,000 |  |  |
Duke Energy Progress | 5.250% March 2023 Notes Due April 2033 (2) | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Progress | 5.650% March 2023 Notes Due April 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Progress | 5.400% March 2023 Notes Due April 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Progress | 4.950% June 2023 2023 Notes Due January 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Progress | 5.400% June 2023 2023 Notes Due January 2054 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Progress | 4.960% September 2023 Notes Due October 2073 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Progress | November 2023 Notes Due November 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Progress | November 2023 Notes Due November 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Florida |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 1,500,000,000 | 500,000,000 |  |
Repayments of long-term debt |  | 879,000,000 | 77,000,000 | 575,000,000 |
Duke Energy Florida | November 2022 Notes Due November 2052 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 500,000,000 |  |
Duke Energy Florida | 4.960% September 2023 Notes Due October 2073 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 200,000,000 |  |  |
Duke Energy Florida | November 2023 Notes Due November 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 600,000,000 |  |  |
Duke Energy Florida | November 2023 Notes Due November 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 700,000,000 |  |  |
Piedmont |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 350,000,000 | 400,000,000 |  |
Repayments of long-term debt |  | 45,000,000 |  | 160,000,000 |
Piedmont | May 2022 Notes Due May 2052 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  |  | 400,000,000 |  |
Piedmont | 4.125% April 2023 2023 Notes Due April 2026 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Piedmont | 5.400% June 2023 2023 Notes Due June 2023 | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 350,000,000 |  |  |
Duke Energy Ohio |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 750,000,000 |  |  |
Repayments of long-term debt |  | 500,000,000 |  | 50,000,000 |
Duke Energy Ohio | 5.250% March 2023 Notes Due April 2033 (2) | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 375,000,000 |  |  |
Duke Energy Ohio | 5.650% March 2023 Notes Due April 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 375,000,000 |  |  |
Duke Energy Indiana |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 500,000,000 |  |  |
Repayments of long-term debt |  | 303,000,000 | $ 84,000,000 | $ 70,000,000 |
Duke Energy Indiana | 4.95% January 2023 Notes Due January 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Indiana | 5.350% January 2023 Notes Due January 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
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Debt Instrument [Line Items] |  |  |  |  |
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Duke Energy Indiana | 5.350% March 2023 Notes Due March 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
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Duke Energy Indiana | 5.250% March 2023 Notes Due April 2033 (2) | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
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Debt Instrument [Line Items] |  |  |  |  |
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Debt Instrument [Line Items] |  |  |  |  |
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Debt Instrument [Line Items] |  |  |  |  |
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Duke Energy Indiana | 5.400% June 2023 2023 Notes Due January 2054 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
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Duke Energy Indiana | 4.960% September 2023 Notes Due October 2073 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Indiana | November 2023 Notes Due November 2033 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuances |  | 0 |  |  |
Duke Energy Indiana | November 2023 Notes Due November 2053 | First Mortgage Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
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