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Cover
Sep. 23, 2020
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 23, 2020
Entity File Number 1-32853
Entity Registrant Name DUKE ENERGY CORPORATION
Entity Central Index Key 0001326160
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 382-6200
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company 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 due January 15, 2073
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 due September 15, 2078
Trading Symbol DUKB
Security Exchange Name NYSE
Depository Share [Member]  
Document Information [Line Items]  
Title of 12(b) Security Depositary Shares
Trading Symbol DUK PR A
Security Exchange Name NYSE