Joint Ownership of Generating and Transmission Facilities (Tables)

12 Months Ended

Dec. 31, 2020

Joint Ownership Of Generating And Transmission Facilities [Abstract]

Schedule Joint Ownership of Generating and Transmission Facilities

The following table presents the Duke Energy Registrants' interest of jointly owned plant or facilities and amounts included on the Consolidated Balance Sheets. All facilities are operated by the Duke Energy Registrants and are included in the Electric Utilities and Infrastructure segment.

	December 31, 2020
							Construction
	Ownership		Property, Plant		Accumulated		Work in
(in millions except for ownership interest)	Interest		and Equipment		Depreciation		Progress
Duke Energy Carolinas
Catawba (units 1 and 2)(a)	19.25	%	$	1,017	$	518	$	23
W.S. Lee CC(b)	87.27	%	632		49		1
Duke Energy Indiana
Gibson (unit 5)(c)	50.05	%	447		199		4
Vermillion(d)	62.50	%	174		101		1
Transmission and local facilities(c)	Various		5,817		1,508		150

(a)    Jointly owned with North Carolina Municipal Power Agency Number 1, NCEMC and PMPA.

(b)    Jointly owned with NCEMC.

(c)    Jointly owned with WVPA and IMPA.

(d)    Jointly owned with WVPA.