Organization and Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

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, 2023										December 31, 2022
			Duke				Duke		Duke				Duke				Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Duke		Energy		Progress		Energy		Energy
	Energy		Carolinas		Energy		Progress		Florida		Energy(a)		Carolinas		Energy		Progress		Florida
Current Assets
Cash and cash equivalents	$	451	$	24	$	93	$	50	$	26	$	409	$	44	$	108	$	49	$	45
Other	42		5		37		14		18		82		8		74		28		41
Other Noncurrent Assets
Other	11		1		4		4		—		11		1		2		2		—
Total cash, cash equivalents and restricted cash	$	504	$	30	$	134	$	68	$	44	$	502	$	53	$	184	$	79	$	86

(a)    Certain prior year balances have been adjusted for held for sale presentation. See Note 2 for additional information.

Schedule of Utility Inventory

The components of inventory are presented in the tables below.

	March 31, 2023
			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	$	2,739	$	948	$	1,273	$	842	$	431	$	116	$	355	$	12
Coal	772		309		233		128		105		29		202		—
Natural gas, oil and other fuel	354		46		206		112		94		12		3		87
Total inventory	$	3,865	$	1,303	$	1,712	$	1,082	$	630	$	157	$	560	$	99

	December 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	$	2,604	$	876	$	1,232	$	819	$	413	$	105	$	342	$	12
Coal	620		253		190		99		91		34		144		—
Natural gas, oil and other fuel	360		35		157		88		69		5		3		160
Total inventory	$	3,584	$	1,164	$	1,579	$	1,006	$	573	$	144	$	489	$	172

Schedule Of Accounts Payable Finance Programs

The following table represents the changes in confirmed obligations outstanding for the three months ended March 31, 2023, and 2022.

			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Confirmed obligations outstanding at the December 31, 2021	$	19	$	—	$	9	$	—	$	9	$	6	$	—	$	4
Invoices confirmed during the period	31		2		11		2		9		6		2		11
Confirmed invoices paid during the period	(31)		(1)		(11)		(1)		(10)		(8)		(1)		(10)
Confirmed obligations outstanding at March 31, 2022	$	19	$	1	$	9	$	1	$	8	$	4	$	1	$	5
Confirmed obligations outstanding at the December 31, 2022	$	87	$	6	$	19	$	8	$	11	$	5	$	—	$	57
Invoices confirmed during the period	59		10		22		11		11		1		—		25
Confirmed invoices paid during the period	(94)		(9)		(26)		(13)		(13)		(6)		—		(53)
Confirmed obligations outstanding at March 31, 2023	$	52	$	7	$	15	$	6	$	9	$	—	$	—	$	29