Debt and Credit Facilities (Summary of Debt Issuances) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Jun. 30, 2024	Apr. 30, 2024
Debt Instrument [Line Items]
Debt issuances		$ 6,365,000,000
4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt
Debt Instrument [Line Items]
Interest rate (as a percent)		4.85%
Debt issuances		$ 600,000,000
4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt
Debt Instrument [Line Items]
Interest rate (as a percent)		4.85%
Debt issuances		$ 650,000,000
April 2024 5.648% Notes Due April 2031 | Unsecured Debt
Debt Instrument [Line Items]
Interest rate (as a percent)		5.648%
Debt issuances		$ 815,000,000	$ 815,000,000
June 2024 5.450% Notes Due June 2034 | Unsecured Debt
Debt Instrument [Line Items]
Interest rate (as a percent)		5.45%
Debt issuances		$ 750,000,000
June 2024 5.800% Notes Due June 2054 | Unsecured Debt
Debt Instrument [Line Items]
Interest rate (as a percent)		5.80%
Debt issuances		$ 750,000,000
June 2024 5.900% Notes Due June 2031 | Unsecured Debt
Debt Instrument [Line Items]
Interest rate (as a percent)		5.90%
Debt issuances		$ 80,000,000
June 2024 6.000% Notes Due July 2034 | Unsecured Debt
Debt Instrument [Line Items]
Interest rate (as a percent)		6.00%
Debt issuances		$ 95,000,000
June 2024 6.170% Notes Due July 2039 | Unsecured Debt
Debt Instrument [Line Items]
Interest rate (as a percent)		6.17%
Debt issuances		$ 50,000,000
April 2024 5.404% Notes | Secured Debt
Debt Instrument [Line Items]
Interest rate (as a percent)		5.404%
Debt issuances		$ 177,000,000
4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Interest rate (as a percent)		4.85%
Debt issuances		$ 575,000,000
5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Interest rate (as a percent)		5.40%
Debt issuances		$ 425,000,000
5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Interest rate (as a percent)		5.25%
Debt issuances		$ 300,000,000
5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Interest rate (as a percent)		5.10%
Debt issuances		$ 500,000,000
5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Interest rate (as a percent)		5.55%
Debt issuances		$ 425,000,000
April 2024 Notes Due April 2074 | First Mortgage Bonds
Debt Instrument [Line Items]
Interest rate (as a percent)		4.97%
Debt issuances		$ 173,000,000
Maturities Due March 2024
Debt Instrument [Line Items]
Repayments of debt	$ 1,000,000,000
Duke Energy (Parent)
Debt Instrument [Line Items]
Debt issuances		3,565,000,000
Duke Energy (Parent) | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		600,000,000
Duke Energy (Parent) | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		650,000,000
Duke Energy (Parent) | April 2024 5.648% Notes Due April 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		815,000,000
Duke Energy (Parent) | June 2024 5.450% Notes Due June 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		750,000,000
Duke Energy (Parent) | June 2024 5.800% Notes Due June 2054 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		750,000,000
Duke Energy (Parent) | June 2024 5.900% Notes Due June 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy (Parent) | June 2024 6.000% Notes Due July 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy (Parent) | June 2024 6.170% Notes Due July 2039 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy (Parent) | April 2024 5.404% Notes | Secured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy (Parent) | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy (Parent) | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy (Parent) | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy (Parent) | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy (Parent) | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy (Parent) | April 2024 Notes Due April 2074 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas
Debt Instrument [Line Items]
Debt issuances		1,000,000,000
Duke Energy Carolinas | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | April 2024 5.648% Notes Due April 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | June 2024 5.450% Notes Due June 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | June 2024 5.800% Notes Due June 2054 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | June 2024 5.900% Notes Due June 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | June 2024 6.000% Notes Due July 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | June 2024 6.170% Notes Due July 2039 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | April 2024 5.404% Notes | Secured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		575,000,000
Duke Energy Carolinas | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		425,000,000
Duke Energy Carolinas | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Carolinas | April 2024 Notes Due April 2074 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress
Debt Instrument [Line Items]
Debt issuances		677,000,000
Duke Energy Progress | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | April 2024 5.648% Notes Due April 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | June 2024 5.450% Notes Due June 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | June 2024 5.800% Notes Due June 2054 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | June 2024 5.900% Notes Due June 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | June 2024 6.000% Notes Due July 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | June 2024 6.170% Notes Due July 2039 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | April 2024 5.404% Notes | Secured Debt
Debt Instrument [Line Items]
Debt issuances		177,000,000
Duke Energy Progress | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		500,000,000
Duke Energy Progress | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Progress | April 2024 Notes Due April 2074 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Ohio
Debt Instrument [Line Items]
Debt issuances		650,000,000
Duke Energy Ohio | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Ohio | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Ohio | April 2024 5.648% Notes Due April 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Ohio | June 2024 5.450% Notes Due June 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Ohio | June 2024 5.800% Notes Due June 2054 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Ohio | June 2024 5.900% Notes Due June 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		80,000,000
Duke Energy Ohio | June 2024 6.000% Notes Due July 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		95,000,000
Duke Energy Ohio | June 2024 6.170% Notes Due July 2039 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		50,000,000
Duke Energy Ohio | April 2024 5.404% Notes | Secured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Ohio | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Ohio | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Ohio | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Ohio | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Ohio | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		425,000,000
Duke Energy Ohio | April 2024 Notes Due April 2074 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana
Debt Instrument [Line Items]
Debt issuances		300,000,000
Duke Energy Indiana | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | April 2024 5.648% Notes Due April 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | June 2024 5.450% Notes Due June 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | June 2024 5.800% Notes Due June 2054 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | June 2024 5.900% Notes Due June 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | June 2024 6.000% Notes Due July 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | June 2024 6.170% Notes Due July 2039 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | April 2024 5.404% Notes | Secured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		300,000,000
Duke Energy Indiana | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | April 2024 Notes Due April 2074 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida
Debt Instrument [Line Items]
Debt issuances		173,000,000
Duke Energy Florida | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | April 2024 5.648% Notes Due April 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | June 2024 5.450% Notes Due June 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | June 2024 5.800% Notes Due June 2054 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | June 2024 5.900% Notes Due June 2031 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | June 2024 6.000% Notes Due July 2034 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | June 2024 6.170% Notes Due July 2039 | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | April 2024 5.404% Notes | Secured Debt
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Florida | April 2024 Notes Due April 2074 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		$ 173,000,000