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Leases (Tables)

12 Months Ended

Dec. 31, 2025

Leases [Abstract]

Lease Costs and Cash Flows Information

The following tables present the components of lease expense.

			Year Ended December 31, 2025
									Duke												Duke						Duke						Duke						Duke
			Duke						Energy						Progress						Energy						Energy						Energy						Energy
(in millions)			Energy						Carolinas						Energy						Progress						Florida						Ohio						Indiana						Piedmont
Operating lease expense(a)			$	283					$	60					$	181					$	91					$	90					$	14					$	27					$	1
Short-term lease expense(a)			6						—						3						—						3						—						1						—
Variable lease expense(a)			39						2						35						26						9						—						1						1
Finance lease expense
Amortization of leased assets(b)			64						12						53						43						10						—						2						—
Interest on lease liabilities(c)			40						30						43						39						4						—						1						—
Total finance lease expense			104						42						96						82						14						—						3						—
Total lease expense			$	432					$	104					$	315					$	199					$	116					$	14					$	32					$	2

			Year Ended December 31, 2024
									Duke												Duke						Duke						Duke						Duke
			Duke						Energy						Progress						Energy						Energy						Energy						Energy
(in millions)			Energy						Carolinas						Energy						Progress						Florida						Ohio						Indiana						Piedmont
Operating lease expense(a)			$	275					$	66					$	173					$	82					$	91					$	12					$	23					$	2
Short-term lease expense(a)			7						—						3						1						2						—						1						—
Variable lease expense(a)			33						2						29						19						10						—						1						1
Finance lease expense
Amortization of leased assets(b)			113						7						46						38						8						—						—						—
Interest on lease liabilities(c)			41						31						44						41						3						—						1						—
Total finance lease expense			154						38						90						79						11						—						1						—
Total lease expense			$	469					$	106					$	295					$	181					$	114					$	12					$	26					$	3

(a)    Included in Operation, maintenance and other, except for expenses primarily related to barges and railcars, which is included in Fuel used in electric generation and purchased power on the Consolidated Statements of Operations.

(b)    Included in Depreciation and amortization on the Consolidated Statements of Operations.

(c)    Included in Interest Expense on the Consolidated Statements of Operations.

			Year Ended December 31, 2025
									Duke												Duke						Duke						Duke						Duke
			Duke						Energy						Progress						Energy						Energy						Energy						Energy
(in millions)			Energy						Carolinas						Energy						Progress						Florida						Ohio						Indiana						Piedmont
Cash paid for amounts included in the measurement of lease liabilities(a)
Operating cash flows from operating leases			$	277					$	24					$	122					$	56					$	66					$	1					$	8					$	1
Operating cash flows from finance leases			40						30						43						39						4						—						1						—
Financing cash flows from finance leases			64						12						53						43						10						—						2						—
Lease assets obtained in exchange for new lease liabilities (non-cash)
Operating			$	348					$	4					$	6					$	6					$	—					$	—					$	1					$	—
Finance			72						15						40						9						31						—						2						—

			Year Ended December 31, 2024
									Duke												Duke						Duke						Duke						Duke
			Duke						Energy						Progress						Energy						Energy						Energy						Energy
(in millions)			Energy						Carolinas						Energy						Progress						Florida						Ohio						Indiana						Piedmont
Cash paid for amounts included in the measurement of lease liabilities(a)
Operating cash flows from operating leases			$	250					$	24					$	122					$	57					$	65					$	1					$	8					$	1
Operating cash flows from finance leases			41						31						44						41						3						—						1						—
Financing cash flows from finance leases			113						7						46						38						8						—						—						—
Lease assets obtained in exchange for new lease liabilities (non-cash)
Operating			$	322					$	50					$	43					$	3					$	40					$	—					$	7					$	3
Finance			81						1						55						—						55						—						1						—

(a)    No amounts were classified as investing cash flows from operating leases.

Operating Lease Maturities

The following table presents operating lease maturities and a reconciliation of the undiscounted cash flows to operating lease liabilities.

			December 31, 2025
									Duke												Duke						Duke						Duke						Duke
			Duke						Energy						Progress						Energy						Energy						Energy						Energy
(in millions)			Energy						Carolinas						Energy						Progress						Florida						Ohio						Indiana						Piedmont
2026			$	289					$	24					$	126					$	61					$	65					$	1					$	7					$	1
2027			239						18						98						61						37						1						6						1
2028			200						15						83						60						23						1						4						1
2029			171						12						81						59						22						—						4						—
2030			136						9						73						59						14						—						3						—
Thereafter			539						44						368						231						137						3						17						—
Total operating lease payments			1,574						122						829						531						298						6						41						3
Less: Present value discount			(303)						(23)						(177)						(104)						(73)						(1)						(7)						—
Total operating lease liabilities(a)			$	1,271					$	99					$	652					$	427					$	225					$	5					$	34					$	3

(a)    Certain operating lease payments include renewal options that are reasonably certain to be exercised.

Maturities of Finance Lease Liabilities

The following table presents finance lease maturities and a reconciliation of the undiscounted cash flows to finance lease liabilities.

			December 31, 2025
									Duke												Duke						Duke												Duke
			Duke						Energy						Progress						Energy						Energy												Energy
(in millions)			Energy						Carolinas						Energy						Progress						Florida												Indiana
2026			$	95					$	40					$	94					$	81					$	13											$	2
2027			88						40						91						82						9												2
2028			84						39						90						82						8												1
2029			81						38						90						82						8												1
2030			82						39						90						82						8												1
Thereafter			497						319						437						323						114												18
Total finance lease payments			927						515						892						732						160												25
Less: Amounts representing interest			(351)						(243)						(323)						(251)						(72)												(15)
Total finance lease liabilities			$	576					$	272					$	569					$	481					$	88											$	10

Balance Sheet Amounts Recorded for Operating and Finance Leases

The following tables contain additional information related to leases.

						December 31, 2025
												Duke												Duke						Duke						Duke						Duke
						Duke						Energy						Progress						Energy						Energy						Energy						Energy
(in millions)			Classification			Energy						Carolinas						Energy						Progress						Florida						Ohio						Indiana						Piedmont
Assets
Operating			Operating lease ROU assets, net			$	1,241					$	91					$	607					$	386					$	221					$	5					$	32					$	2
Finance			Net property, plant and equipment			654						251						605						478						127						—						8						—
Total lease assets						$	1,895					$	342					$	1,212					$	864					$	348					$	5					$	40					$	2
Liabilities
Current
Operating			Other current liabilities			$	238					$	20					$	100					$	43					$	57					$	—					$	6					$	1
Finance			Current maturities of long-term debt			55						11						53						45						8						—						—						—
Noncurrent
Operating			Operating lease liabilities			1,033						79						552						384						168						5						28						2
Finance			Long-Term Debt			521						261						516						436						80						—						10						—
Total lease liabilities						$	1,847					$	371					$	1,221					$	908					$	313					$	5					$	44					$	3

						December 31, 2024
												Duke												Duke						Duke						Duke						Duke
						Duke						Energy						Progress						Energy						Energy						Energy						Energy
(in millions)			Classification			Energy						Carolinas						Energy						Progress						Florida						Ohio						Indiana						Piedmont
Assets
Operating			Operating lease ROU assets, net			$	1,148					$	98					$	625					$	348					$	277					$	6					$	37					$	4
Finance			Net property, plant and equipment			645						252						620						512						108						—						6						—
Total lease assets						$	1,793					$	350					$	1,245					$	860					$	385					$	6					$	43					$	4
Liabilities
Current
Operating			Other current liabilities			$	208					$	20					$	97					$	42					$	55					$	1					$	6					$	1
Finance			Current maturities of long-term debt			46						8						48						41						7						—						—						—
Noncurrent
Operating			Operating lease liabilities			957						87						557						332						225						6						33						7
Finance			Long-Term Debt			524						262						533						474						59						—						10						—
Total lease liabilities						$	1,735					$	377					$	1,235					$	889					$	346					$	7					$	49					$	8

Supplemental Lease Information

			December 31, 2025
									Duke												Duke						Duke						Duke						Duke
			Duke						Energy						Progress						Energy						Energy						Energy						Energy
			Energy						Carolinas						Energy						Progress						Florida						Ohio						Indiana						Piedmont
Weighted average remaining lease term (years)
Operating leases			8						9						10						9						12						11						9						3
Finance leases			12						14						11						10						21						—						19						—
Weighted average discount rate(a)
Operating leases			4.5		%				4.4		%				4.4		%				4.4		%				4.3		%				4.2		%				3.9		%				4.0		%
Finance leases			8.2		%				11.3		%				8.6		%				9.2		%				5.8		%				—		%				11.6		%				—		%

			December 31, 2024
									Duke												Duke						Duke						Duke						Duke
			Duke						Energy						Progress						Energy						Energy						Energy						Energy
			Energy						Carolinas						Energy						Progress						Florida						Ohio						Indiana						Piedmont
Weighted average remaining lease term (years)
Operating leases			8						9						9						8						11						11						11						4
Finance leases			11						15						11						10						15						—						20						—
Weighted average discount rate(a)
Operating leases			4.3		%				4.3		%				4.0		%				3.9		%				4.2		%				4.1		%				4.0		%				3.9		%
Finance leases			8.4		%				11.5		%				8.9		%				9.2		%				5.9		%				—		%				11.7		%				—		%

(a)    The discount rate is calculated using the rate implicit in a lease if it is readily determinable. Generally, the rate used by the lessor is not provided to Duke Energy and in these cases the incremental borrowing rate is used. Duke Energy will typically use its fully collateralized incremental borrowing rate as of the commencement date to calculate and record the lease. The incremental borrowing rate is influenced by the lessee’s credit rating and lease term and as such may differ for individual leases, embedded leases or portfolios of leased assets.

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Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

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Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

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Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

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