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Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

The following tables show the carrying amount and accumulated amortization of intangible assets included in Other within Other Noncurrent Assets on the Consolidated Balance Sheets of the Duke Energy Registrants at December 31, 2025, and 2024.

			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
Emission allowances			$	8					$	—					$	5					$	2					$	3					$	—					$	2					$	—
Renewable energy certificates			259						115						143						143						—						1						—						—
Other			47						—						5						1						4						—						—						22
Total gross carrying amounts			314						115						153						146						7						1						2						22
Accumulated amortization – other			(23)						—						(4)						—						(4)						—						—						(12)
Total intangible assets, net			$	291					$	115					$	149					$	146					$	3					$	1					$	2					$	10

			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
Emission allowances			$	8					$	—					$	5					$	2					$	3					$	—					$	2					$	—
Renewable energy certificates			241						103						136						136						—						2						—						—
Other			47						—						5						1						4						—						—						22
Total gross carrying amounts			296						103						146						139						7						2						2						22
Accumulated amortization – other			(19)						—						(3)						—						(3)						—						—						(9)
Total intangible assets, net			$	277					$	103					$	143					$	139					$	4					$	2					$	2					$	13

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- References

No definition available.

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name Accounting Standards Codification
-Section 55
-Paragraph 40
-SubTopic 30
-Topic 350
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482640/350-30-55-40

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-2

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