Organization and Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Allocated Losses from Subsidiaries, Noncontrolling Interest

The following table presents allocated losses to noncontrolling interest for the three months ended March 31, 2022, and 2021.

	Three Months Ended March 31,
(in millions)	2022		2021
Noncontrolling Interest Allocation of Income
Allocated losses to noncontrolling tax equity members utilizing the HLBV method	$	24	$	43
Allocated losses to noncontrolling members based on pro rata shares of ownership	13		8
Total Noncontrolling Interest Allocated Losses	$	37	$	51

Schedule of Cash, Cash Equivalents and Restricted Cash

The following table presents the components of cash, cash equivalents and restricted cash included in the Condensed Consolidated Balance Sheets.

	March 31, 2022										December 31, 2021
			Duke				Duke		Duke				Duke				Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Duke		Energy		Progress		Energy		Energy
	Energy		Carolinas		Energy		Progress		Florida		Energy		Carolinas		Energy		Progress		Florida
Current Assets
Cash and cash equivalents	$	853	$	4	$	63	$	42	$	13	$	343	$	7	$	70	$	35	$	23
Other	151		4		28		13		13		170		—		39		—		39
Other Noncurrent Assets
Other	16		1		4		4		—		7		1		4		4		—
Total cash, cash equivalents and restricted cash	$	1,020	$	9	$	95	$	59	$	26	$	520	$	8	$	113	$	39	$	62

Schedule of Utility Inventory

The components of inventory are presented in the tables below.

	March 31, 2022
			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Materials and supplies	$	2,455	$	810	$	1,089	$	744	$	345	$	89	$	320	$	14
Coal	469		196		149		93		56		16		108		—
Natural gas, oil and other fuel	247		34		165		103		62		9		2		37
Total inventory	$	3,171	$	1,040	$	1,403	$	940	$	463	$	114	$	430	$	51

	December 31, 2021
			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Materials and supplies	$	2,397	$	793	$	1,067	$	729	$	338	$	80	$	311	$	14
Coal	486		195		167		94		73		19		105		—
Natural gas, oil and other fuel	316		38		164		98		66		17		2		95
Total inventory	$	3,199	$	1,026	$	1,398	$	921	$	477	$	116	$	418	$	109