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Cover Page
Dec. 23, 2019
Cover page.  
Document Type 8-K
Document Period End Date Dec. 23, 2019
Entity File Number 1-4928
Entity Registrant Name DUKE ENERGY CAROLINAS, LLC
Entity Tax Identification Number 56-0205520
Entity Incorporation, State or Country Code NC
Entity Address, Address Line One 526 South Church 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
Entity Central Index Key 0000030371
Amendment Flag false