XML 11 R1.htm IDEA: XBRL DOCUMENT v3.21.1
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