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Goodwill (Tables)
3 Months Ended
Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill By Reportable Operating Segment
The following table presents the goodwill by reportable segment included on Duke Energy's Condensed Consolidated Balance Sheets at March 31, 2021, and December 31, 2020.
Electric UtilitiesGas UtilitiesCommercial
(in millions)and Infrastructureand InfrastructureRenewablesTotal
Goodwill balance$17,379 $1,924 $122 $19,425 
Accumulated impairment charges  (122)(122)
Goodwill, adjusted for accumulated impairment charges$17,379 $1,924 $ $19,303