Impairment Of Assets And Other Charges

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- Definition

Increase (Decrease) in Retail Rate

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Total expenditures for long-lived assets additions other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.

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Public Utilities, Combined Cycle Plants, in Megawatts

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Public Utilities, Customer Giveback

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Public Utilities, Estimated Cost of Generation Facilities to be Built

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Public Utilities, Number of Solar Plants Petition for Approval

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- Definition

Public Utilities, Proposed Rate, Period

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Public Utilities, Retail Revenue Requirement

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Public Utilities, Settlement Rate, Amount

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Public Utilities, Settlement Rate, Period

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- Definition

Unusual or Infrequent Item, or Both, Total Storm Restoration Costs

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- Definition

Carrying amount as of the balance sheet date of the portion of the reserved funds established by a utility from customer payments to cover the repair costs of damages from major storms, which repairs are expected to be incurred beyond one year or the normal operating cycle, if longer.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Amount of interest expense classified as nonoperating.

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- Definition

Percentage of public utility's approved equity to capital, including debt and equity.

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No definition available.

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- Definition

Amount of public utility's approved rate increase (decrease) by regulatory agency.

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- Definition

Percentage of public utility's approved return on equity.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of public utility's requested equity to capital, including debt and equity.

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- Definition

Amount of public utility's requested rate increase (decrease) with regulatory agency.

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Percentage of public utility's requested rate increase (decrease) with regulatory agency.

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Percentage of public utility's requested return on equity.

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- Definition

Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.

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The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.

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- Definition

The amount of operating expenses for the period that are associated with the utility's normal revenue producing operation; including selling, general, and administrative expenses, costs incurred for routine plant repairs and maintenance, and operations.

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Regulatory Matters (Duke Energy Carolinas Narrative) (Details)											12 Months Ended									24 Months Ended
	Feb. 01, 2026 USD ($)	Nov. 21, 2025 USD ($) turbine Rate MW	Nov. 20, 2025	Nov. 11, 2025 USD ($)	Oct. 30, 2025 USD ($) MW	Jul. 03, 2024 USD ($)	May 17, 2024 USD ($)	Jan. 04, 2024	Dec. 15, 2023	Aug. 22, 2023 USD ($)	Dec. 14, 2027 USD ($)	Nov. 19, 2027 USD ($)	Dec. 14, 2026 USD ($)	Nov. 19, 2026 USD ($)	Dec. 31, 2025 USD ($)	Dec. 14, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 14, 2024 USD ($)	Dec. 31, 2023 USD ($)	Nov. 19, 2027 USD ($)	Dec. 31, 2025 USD ($)	Dec. 01, 2025 turbine	Nov. 30, 2025 USD ($)	Mar. 21, 2025 USD ($)	Mar. 31, 2024 turbine MW
Public Utilities, General Disclosures [Line Items]
Impairment of assets and other charges															$ (4,000,000)		$ 38,000,000		$ 85,000,000
Operation, maintenance and other															6,698,000,000		5,389,000,000		5,625,000,000
Capital expenditures															14,002,000,000		12,263,000,000		12,622,000,000
Other Noncurrent Assets: Regulatory assets															14,379,000,000		14,220,000,000				$ 14,379,000,000
Total noncurrent regulatory liabilities															15,682,000,000		14,521,000,000				15,682,000,000
Face amount of debt instrument issued															7,005,000,000		7,740,000,000				7,005,000,000
Duke Energy Carolinas
Public Utilities, General Disclosures [Line Items]
Impairment of assets and other charges															(11,000,000)		31,000,000		44,000,000
Operation, maintenance and other															2,002,000,000		1,740,000,000		1,774,000,000
Capital expenditures															4,477,000,000		3,966,000,000		3,733,000,000
Other Noncurrent Assets: Regulatory assets															4,502,000,000		4,199,000,000				4,502,000,000
Total noncurrent regulatory liabilities															7,609,000,000		6,592,000,000				7,609,000,000
Face amount of debt instrument issued															2,243,000,000		1,000,000,000				2,243,000,000
Duke Energy Carolinas \| Hurricanes Helene, Debby and Milton
Public Utilities, General Disclosures [Line Items]
Capital expenditures															408,000,000
Estimated storm restoration costs																					474,000,000
Duke Energy Carolinas and Duke Energy Progress \| Hurricanes Helene, Debby and Milton
Public Utilities, General Disclosures [Line Items]
Capital expenditures															507,000,000
Estimated storm restoration costs																					762,000,000
Duke Energy Progress
Public Utilities, General Disclosures [Line Items]
Impairment of assets and other charges															2,000,000		6,000,000		29,000,000
Operation, maintenance and other															1,455,000,000		1,388,000,000		1,379,000,000
Capital expenditures															3,428,000,000		2,803,000,000		$ 2,387,000,000
Other Noncurrent Assets: Regulatory assets															4,543,000,000		4,555,000,000				4,543,000,000
Total noncurrent regulatory liabilities															4,807,000,000		4,570,000,000				4,807,000,000
Face amount of debt instrument issued															2,561,000,000		$ 677,000,000				2,561,000,000
Duke Energy Progress \| Hurricanes Helene, Debby and Milton
Public Utilities, General Disclosures [Line Items]
Capital expenditures															99,000,000
Estimated storm restoration costs																					288,000,000
NCUC \| Duke Energy Carolinas
Public Utilities, General Disclosures [Line Items]
Public Utilities, Combined Cycle Plants, in Megawatts \| MW		850																							850
Number of solar plants petition for approval \| turbine		2																				2			2
Retail revenue requirement		$ 154,000,000
Increase in retail rate (percent) \| Rate		2.30%
PSCSC
Public Utilities, General Disclosures [Line Items]
Public Utilities, Combined Cycle Plants, in Megawatts \| MW					1,365
PSCSC \| Duke Energy Carolinas
Public Utilities, General Disclosures [Line Items]
Estimated cost of generation facilities to be built					$ 3,200,000,000
Public Utilities, Combined Cycle Plants, in Megawatts \| MW					1,170
PSCSC \| Duke Energy Carolinas \| Hurricane Helene
Public Utilities, General Disclosures [Line Items]
Storm reserves																								$ 25,000,000
Face amount of debt instrument issued																							$ 561,000,000
PSCSC \| NCEMC
Public Utilities, General Disclosures [Line Items]
Public Utilities, Combined Cycle Plants, in Megawatts \| MW					100
PSCSC \| CEPC
Public Utilities, General Disclosures [Line Items]
Public Utilities, Combined Cycle Plants, in Megawatts \| MW					95
2023 North Carolina Rate Case \| NCUC \| Duke Energy Carolinas
Public Utilities, General Disclosures [Line Items]
MYRP period (in years)										3 years
Settlement amount										$ 19,500,000,000
Impairment of assets and other charges															29,000,000
Operation, maintenance and other															8,000,000
Approved rate increase (decrease) amount by state commission																$ 174,000,000		$ 436,000,000
Approved return on equity (as a percent)									10.10%
2023 North Carolina Rate Case \| NCUC \| Duke Energy Carolinas \| Equity
Public Utilities, General Disclosures [Line Items]
Approved return on equity (as a percent)									53.00%
2023 North Carolina Rate Case \| NCUC \| Duke Energy Carolinas \| Forecast
Public Utilities, General Disclosures [Line Items]
Approved rate increase (decrease) amount by state commission											$ 768,000,000		$ 158,000,000
2023 North Carolina Rate Case, Retail Allocated \| NCUC \| Duke Energy Carolinas
Public Utilities, General Disclosures [Line Items]
Settlement amount										$ 4,600,000,000
2025 North Carolina Rate Case \| NCUC \| Duke Energy Carolinas
Public Utilities, General Disclosures [Line Items]
Requested return on equity (as a percent)			10.95%
Requested equity ratio (percent)			53.00%
2025 North Carolina Rate Case \| NCUC \| Duke Energy Carolinas \| Forecast
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease)												$ 275,000,000		$ 727,000,000						$ 1,000,000,000
Requested rate increase (decrease), percent																				15.00%
2024 South Carolina Rate Case \| PSCSC \| Duke Energy Carolinas
Public Utilities, General Disclosures [Line Items]
Settlement amount						$ 7,400,000,000
Impairment of assets and other charges															33,000,000
Operation, maintenance and other															2,000,000
Approved rate increase (decrease) amount by state commission						$ 150,000,000	$ 240,000,000
Approved return on equity (as a percent)							9.94%
Customer giveback							$ 84,000,000
Approved capital structure (as a percent)							51.21%
Interest expense															11,000,000
Proposed rate period (in years)								2 years
Hurricanes Helene, Debby and Milton \| NCUC \| Duke Energy Carolinas \| Natural Disasters and Other Casualty Events
Public Utilities, General Disclosures [Line Items]
Storm reserves															200,000,000						200,000,000
Hurricanes Helene, Debby and Milton \| NCUC \| Duke Energy Carolinas \| North Carolina Storms
Public Utilities, General Disclosures [Line Items]
Total noncurrent regulatory liabilities															136,000,000						136,000,000
Hurricanes Helene, Debby and Milton \| NCUC \| Duke Energy Progress \| Natural Disasters and Other Casualty Events
Public Utilities, General Disclosures [Line Items]
Storm reserves															100,000,000						100,000,000
Hurricanes Helene, Debby and Milton \| NCUC \| Duke Energy Progress \| North Carolina Storms
Public Utilities, General Disclosures [Line Items]
Total noncurrent regulatory liabilities															71,000,000						71,000,000
Hurricanes Helene, Debby and Milton \| PSCSC \| Duke Energy Carolinas \| Hurricane Helene
Public Utilities, General Disclosures [Line Items]
Total noncurrent regulatory liabilities															$ 35,000,000						$ 35,000,000
2025 South Carolina Rate Case \| PSCSC \| Duke Energy Carolinas
Public Utilities, General Disclosures [Line Items]
Approved rate increase (decrease) amount by state commission				$ 19,000,000
Approved return on equity (as a percent)				9.99%
Approved capital structure (as a percent)				53.00%
2025 South Carolina Rate Case \| PSCSC \| Duke Energy Progress \| Forecast \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved rate increase (decrease) amount by state commission	$ 40,000,000
Approved return on equity (as a percent)	9.99%
Approved capital structure (as a percent)	53.00%