XML 139 R85.htm IDEA: XBRL DOCUMENT
v3.25.4

Commitments and Contingencies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Legal Reserves | The following table contains information regarding reserves for probable and estimable costs related to the various environmental sites. These reserves are recorded in Accounts Payable within Other Current Liabilities and Other within Other Noncurrent Liabilities on the Consolidated Balance Sheets.
(in millions) | December 31, 2025 |  | December 31, 2024 |
Reserves for Environmental Remediation |  |  |  |
Duke Energy | $ | 72 |  |  | $ | 68 |  |
Duke Energy Carolinas | 36 |  |  | 24 |  |
Progress Energy | 20 |  |  | 19 |  |
Duke Energy Progress | 10 |  |  | 9 |  |
Duke Energy Florida | 10 |  |  | 10 |  |
Duke Energy Ohio | 12 |  |  | 21 |  |
Duke Energy Indiana | 2 |  |  | 2 |  |
Piedmont | 2 |  |  | 2 |  |
Schedule of Purchase Power Obligations | The following table presents executory purchased power contracts with terms exceeding one year, excluding contracts classified as leases.
|  |  | Minimum Purchase Amount at December 31, 2025
| Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |
(in millions) | Expiration |  | 2026 |  | 2027 |  | 2028 |  | 2029 |  | 2030 |  | Thereafter |  | Total
Duke Energy Progress(a) | 2028-2042 |  | $ | 18 |  |  | $ | 18 |  |  | $ | 18 |  |  | $ | 2 |  |  | $ | 3 |  |  | $ | 29 |  |  | $ | 88 |
Duke Energy Ohio(b) | 2027 |  | 191 |  |  | 125 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 316 |
Duke Energy Indiana(b) | 2027 |  | 73 |  |  | 7 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 80 |
(a) Contracts represent between 18% and 100% of net plant output. (b) Share of net plant output varies.
Schedule of Natural Gas Supply Contract Commitments | The following table presents future unconditional purchase obligations under natural gas supply and capacity contracts as of December 31, 2025.
(in millions) | 2026 | 2027 | 2028 | 2029 | 2030 | Thereafter | Total
Duke Energy Ohio | $ | 133 |  | $ | 136 |  | $ | 135 |  | $ | 131 |  | $ | 118 |  | $ | 828 |  | $ | 1,481 |
Piedmont | 414 |  | 400 |  | 335 |  | 265 |  | 262 |  | 605 |  | 2,281 |

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount. + References No definition available. + Details
Name: | us-gaap_LongTermPurchaseCommitmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the loss contingencies that were reported in the period or disclosed as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-9 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-4 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-9 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-3 + Details
Name: | us-gaap_ScheduleOfLossContingenciesByContingencyTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of unconditional purchase obligation not recognized as liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 440 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482648/440-10-50-4 + Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration