Organization and Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 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.

	June 30, 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	$	377	$	20	$	77	$	21	$	37	$	409	$	44	$	108	$	49	$	45
Other	73		8		65		25		36		82		8		74		28		41
Other Noncurrent Assets
Other	11		1		4		4		—		11		1		2		2		—
Total cash, cash equivalents and restricted cash	$	461	$	29	$	146	$	50	$	73	$	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.

	June 30, 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	$	2,924	$	1,012	$	1,359	$	905	$	454	$	131	$	372	$	14
Coal	850		345		251		149		102		35		219		—
Natural gas, oil and other fuel	326		46		207		110		97		12		2		59
Total inventory	$	4,100	$	1,403	$	1,817	$	1,164	$	653	$	178	$	593	$	73

	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 and six months ended June 30, 2023, and 2022.

	Three months ended June 30, 2022 and 2023
			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 March 31, 2022	$	19	$	1	$	9	$	1	$	8	$	4	$	1	$	5
Invoices confirmed during the period	64		12		20		8		12		9		(1)		23
Confirmed invoices paid during the period	(37)		(4)		(18)		(6)		(12)		(4)		—		(11)
Confirmed obligations outstanding at June 30, 2022	$	46	$	9	$	11	$	3	$	8	$	9	$	—	$	17
Confirmed obligations outstanding at the March 31, 2023	$	52	$	7	$	15	$	6	$	9	$	—	$	—	$	29
Invoices confirmed during the period	55		10		20		12		8		2		—		24
Confirmed invoices paid during the period	(67)		(12)		(21)		(6)		(15)		—		—		(34)
Confirmed obligations outstanding at June 30, 2023	$	40	$	5	$	14	$	12	$	2	$	2	$	—	$	19
	Six months ended June 30, 2022 and 2023
			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	95		14		31		10		21		15		1		34
Confirmed invoices paid during the period	(68)		(5)		(29)		(7)		(22)		(12)		(1)		(21)
Confirmed obligations outstanding at June 30, 2022	$	46	$	9	$	11	$	3	$	8	$	9	$	—	$	17
Confirmed obligations outstanding at the December 31, 2022	$	87	$	6	$	19	$	8	$	11	$	5	$	—	$	57
Invoices confirmed during the period	114		20		42		23		19		3		—		49
Confirmed invoices paid during the period	(161)		(21)		(47)		(19)		(28)		(6)		—		(87)
Confirmed obligations outstanding at June 30, 2023	$	40	$	5	$	14	$	12	$	2	$	2	$	—	$	19