Derivative and Hedging - Narrative (Details) € in Millions	Apr. 30, 2024 USD ($)	Apr. 30, 2024 EUR (€)	Mar. 31, 2024 USD ($)
Debt Instrument [Line Items]
Debt issuances			$ 3,475,000,000
Duke Energy (Parent)
Debt Instrument [Line Items]
Debt issuances			$ 1,250,000,000
Senior Notes 3.75% Due 2031 | Subsequent event | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances	$ 815,000,000	€ 750
Interest rate (as a percent)	3.75%	3.75%
Senior Notes 3.75% Due 2031 | Duke Energy (Parent) | Subsequent event | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances | €		€ 750
Senior Notes 3.75 Percent Due 2031, US Dollar Converted | Subsequent event | Unsecured Debt
Debt Instrument [Line Items]
Interest rate (as a percent)	5.648%	5.648%
Senior Notes 3.75 Percent Due 2031, US Dollar Converted | Duke Energy (Parent) | Subsequent event | Unsecured Debt
Debt Instrument [Line Items]
Debt issuances	$ 815,000,000