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
Duke Energy Indiana | 5.250% March 2023 Notes Due March 2033 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | 5.350% March 2023 Notes Due March 2053 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | 5.250% March 2023 Notes Due April 2033 (2) | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | 5.650% March 2023 Notes Due April 2053 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | 5.400% March 2023 Notes Due April 2053 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		500,000,000
Duke Energy Indiana | 4.950% June 2023 2023 Notes Due January 2033 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
Duke Energy Indiana | 5.400% June 2023 2023 Notes Due January 2054 | First Mortgage Bonds
Debt Instrument [Line Items]
Debt issuances		0
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]
Debt issuances		$ 0