| Cover Page | May 10, 2021 | Feb. 11, 2021 |
| Document Information [Line Items] | ||
| Entity Central Index Key | 0001326160 | |
| Document Type | 8-K | |
| Document Period End Date | May 10, 2021 | |
| Entity File Number | 1-32853 | |
| Entity Registrant Name | DUKE ENERGY CORPORATION | |
| Entity Tax Identification Number | 20-2777218 | |
| Entity Incorporation, State or Country Code | DE | |
| Entity Address, Address Line One | 550 South Tryon Street | |
| Entity Address, City or Town | Charlotte | |
| Entity Address, State or Province | NC | |
| Entity Address, Postal Zip Code | 28202-1803 | |
| City Area Code | 704- | |
| Local Phone Number | 382-3853 | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Entity Emerging Growth Company | false | |
| Amendment Flag | false | |
| Common Stock [Member] | ||
| Document Information [Line Items] | ||
| Title of 12(b) Security | Common Stock, $0.001 par value | |
| Trading Symbol | DUK | |
| Security Exchange Name | NYSE | |
| Junior Subordinated Debentures 5.125% Coupon Due January 2073 [Member] | ||
| Document Information [Line Items] | ||
| Title of 12(b) Security | 5.125% Junior Subordinated Debentures | |
| Trading Symbol | DUKH | |
| Security Exchange Name | NYSE | |
| Junior Subordinated Debentures 5.625% Coupon Due September 2078 [Member] | ||
| Document Information [Line Items] | ||
| Title of 12(b) Security | 5.625% Junior Subordinated Debentures | |
| Trading Symbol | DUKB | |
| Security Exchange Name | NYSE | |
| Depositary Share [Member] | ||
| Document Information [Line Items] | ||
| Title of 12(b) Security | Depositary Shares | |
| Trading Symbol | DUK PR A | |
| Security Exchange Name | NYSE |
