Other Income and Expenses, Net (Tables)

12 Months Ended

Dec. 31, 2023

Other Income and Expenses [Abstract]

Schedule of Other Income and Expenses, Net

The components of Other income and expenses, net on the Consolidated Statements of Operations are as follows.

	Year Ended December 31, 2023
			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Interest income	$	29	$	10	$	14	$	9	$	7	$	25	$	25	$	19
AFUDC equity	198		91		67		52		15		9		10		21
Post-in-service equity returns	39		19		19		19		—		1		—		—
Nonoperating income, other	332		118		101		44		56		6		41		17
Other income and expense, net	$	598	$	238	$	201	$	124	$	78	$	41	$	76	$	57

	Year Ended 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
Interest income	$	27	$	2	$	24	$	4	$	20	$	11	$	15	$	19
AFUDC equity	197		98		68		52		16		7		13		11
Post-in-service equity returns	34		14		18		18		—		1		1		—
Nonoperating income, other	134		107		71		40		38		—		7		16
Other income and expense, net	$	392	$	221	$	181	$	114	$	74	$	19	$	36	$	46

	Year Ended 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
Interest income	$	13	$	4	$	8	$	6	$	2	$	4	$	6	$	19
AFUDC equity	171		65		51		34		16		7		27		20
Post-in-service equity returns	39		21		16		16		—		1		1		—
Nonoperating income, other	413		180		140		87		53		6		8		16
Other income and expense, net	$	636	$	270	$	215	$	143	$	71	$	18	$	42	$	55