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v3.23.1

Debt and Credit Facilities (Summary of Debt Issuances) (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |
Current maturities of long-term debt (includes amounts related to VIEs) | $ 3,330,000,000 | $ 3,878,000,000
4.95% January 2023 Notes Due January 2033 |  |
Debt Instrument [Line Items] |  |
Interest Rate | 4.95% |
5.350% January 2023 Notes Due January 2053 |  |
Debt Instrument [Line Items] |  |
Interest Rate | 5.35% |
5.250% March 2022 Notes Due April 2033 |  |
Debt Instrument [Line Items] |  |
Interest Rate | 5.25% |
5.350% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Interest Rate | 5.35% |
5.250% March 2022 Notes Due April 2033 |  |
Debt Instrument [Line Items] |  |
Interest Rate | 5.25% |
5.650% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Interest Rate | 5.65% |
5.400% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Interest Rate | 5.40% |
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 |  |
Debt Instrument [Line Items] |  |
Repayments of Debt | 100,000,000 |
Maturities Due October 2023 |  |
Debt Instrument [Line Items] |  |
Repayments of Debt | 300,000,000 |
Duke Energy (Parent) |  |
Debt Instrument [Line Items] |  |
Debt issuances | 4,050,000,000 |
Duke Energy (Parent) | 4.95% January 2023 Notes Due January 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 900,000,000 |
Duke Energy (Parent) | 5.350% January 2023 Notes Due January 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 900,000,000 |
Duke Energy (Parent) | 5.250% March 2022 Notes Due April 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 500,000,000 |
Duke Energy (Parent) | 5.350% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 500,000,000 |
Duke Energy (Parent) | 5.250% March 2022 Notes Due April 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 375,000,000 |
Duke Energy (Parent) | 5.650% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 375,000,000 |
Duke Energy (Parent) | 5.400% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 500,000,000 |
Duke Energy Carolinas |  |
Debt Instrument [Line Items] |  |
Debt issuances | 1,800,000,000 |
Current maturities of long-term debt (includes amounts related to VIEs) | 18,000,000 | 1,018,000,000
Duke Energy Carolinas | 4.95% January 2023 Notes Due January 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 900,000,000 |
Duke Energy Carolinas | 5.350% January 2023 Notes Due January 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 900,000,000 |
Duke Energy Carolinas | 5.250% March 2022 Notes Due April 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Carolinas | 5.350% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Carolinas | 5.250% March 2022 Notes Due April 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Carolinas | 5.650% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Carolinas | 5.400% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Progress |  |
Debt Instrument [Line Items] |  |
Debt issuances | 1,000,000,000 |
Current maturities of long-term debt (includes amounts related to VIEs) | 370,000,000 | 369,000,000
Duke Energy Progress | 4.95% January 2023 Notes Due January 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Progress | 5.350% January 2023 Notes Due January 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Progress | 5.250% March 2022 Notes Due April 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 500,000,000 |
Duke Energy Progress | 5.350% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 500,000,000 |
Duke Energy Progress | 5.250% March 2022 Notes Due April 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Progress | 5.650% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Progress | 5.400% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Ohio |  |
Debt Instrument [Line Items] |  |
Debt issuances | 750,000,000 |
Current maturities of long-term debt (includes amounts related to VIEs) | 475,000,000 | 475,000,000
Duke Energy Ohio | 5.250% March 2022 Notes Due April 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 375,000,000 |
Duke Energy Ohio | 5.650% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 375,000,000 |
Duke Energy Indiana |  |
Debt Instrument [Line Items] |  |
Debt issuances | 500,000,000 |
Current maturities of long-term debt (includes amounts related to VIEs) | 3,000,000 | $ 303,000,000
Duke Energy Indiana | 4.95% January 2023 Notes Due January 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Indiana | 5.350% January 2023 Notes Due January 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Indiana | 5.250% March 2022 Notes Due April 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Indiana | 5.350% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Indiana | 5.250% March 2022 Notes Due April 2033 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Indiana | 5.650% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | 0 |
Duke Energy Indiana | 5.400% March 2022 Notes Due April 2053 |  |
Debt Instrument [Line Items] |  |
Debt issuances | $ 500,000,000 |

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