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Debt and Credit Facilities (Summary of Debt Issuances) (Details) - USD ($)	1 Months Ended
	Mar. 31, 2025	Jan. 31, 2025	Apr. 30, 2024
Debt Instrument [Line Items]
Debt issuances	$ 3,200,000,000
4.85% January 2025 Notes Due March 2030 \| First Mortgage Bonds
Debt Instrument [Line Items]
Interest rate (as a percent)	4.85%
Debt issuances	$ 400,000,000
5.25% January 2025 Notes Due March 2035 \| First Mortgage Bonds
Debt Instrument [Line Items]
Interest rate (as a percent)	5.25%
Debt issuances	$ 700,000,000
4.35% March 2025 Notes Due March 2027 \| First Mortgage Bonds
Debt Instrument [Line Items]
Interest rate (as a percent)	4.35%
Debt issuances	$ 500,000,000
5.05% March 2025 Notes Due March 2035 \| First Mortgage Bonds
Debt Instrument [Line Items]
Interest rate (as a percent)	5.05%
Debt issuances	$ 850,000,000
5.55% March 2025 Notes Due March 2055 \| First Mortgage Bonds
Debt Instrument [Line Items]
Interest rate (as a percent)	5.55%
Debt issuances	$ 750,000,000
Duke Energy Carolinas
Debt Instrument [Line Items]
Debt issuances	1,100,000,000
Duke Energy Carolinas \| 4.85% January 2025 Notes Due March 2030 \| First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances	400,000,000
Duke Energy Carolinas \| 5.25% January 2025 Notes Due March 2035 \| First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances	700,000,000
Duke Energy Carolinas \| 4.35% March 2025 Notes Due March 2027 \| First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances	0
Duke Energy Carolinas \| 5.05% March 2025 Notes Due March 2035 \| First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances	0
Duke Energy Carolinas \| 5.55% March 2025 Notes Due March 2055 \| First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances	0
Duke Energy Carolinas \| DEFR Accounts Receivable Securitization Facility Maturing April 2024 \| Secured Debt \| VIE primary beneficiary
Debt Instrument [Line Items]
Repayments of debt		$ 500,000,000
Duke Energy Carolinas \| DERF \| Secured Debt \| VIE primary beneficiary
Debt Instrument [Line Items]
Repayments of debt		$ 500,000,000
Duke Energy Progress
Debt Instrument [Line Items]
Debt issuances	2,100,000,000
Duke Energy Progress \| 4.85% January 2025 Notes Due March 2030 \| First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances	0
Duke Energy Progress \| 5.25% January 2025 Notes Due March 2035 \| First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances	0
Duke Energy Progress \| 4.35% March 2025 Notes Due March 2027 \| First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances	500,000,000
Duke Energy Progress \| 5.05% March 2025 Notes Due March 2035 \| First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances	850,000,000
Duke Energy Progress \| 5.55% March 2025 Notes Due March 2055 \| First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances	750,000,000
Duke Energy Progress \| DEFR Accounts Receivable Securitization Facility Maturing April 2024 \| Secured Debt \| VIE primary beneficiary
Debt Instrument [Line Items]
Repayments of debt	$ 400,000,000
Duke Energy Florida \| DEFR Accounts Receivable Securitization Facility Maturing April 2024 \| Secured Debt \| VIE primary beneficiary
Debt Instrument [Line Items]
Repayments of debt			$ 325,000,000