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Public Utilities, Proposed Rate, Period

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- Definition

Public Utilities, Settlement Rate, Amount

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Public Utilities, Settlement Rate, Period

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

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

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Percentage of public utility's approved return on equity.

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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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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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Regulatory Matters (Regulatory Matters Narrative - Duke Energy Carolinas) (Details) - Duke Energy Carolinas - USD ($) $ in Millions					1 Months Ended	12 Months Ended			36 Months Ended
	Jul. 01, 2025	Dec. 15, 2023	Jan. 19, 2023	Jun. 07, 2021	Aug. 31, 2023	Dec. 14, 2026	Dec. 14, 2025	Dec. 14, 2024	Dec. 14, 2026
Oconee Nuclear Station Subsequent License Renewal \| NRC \| Oconee Nuclear Station
Public Utilities, General Disclosures [Line Items]
Operating license extension (in years)				20 years
2023 North Carolina Rate Case \| NCUC
Public Utilities, General Disclosures [Line Items]
Proposed rate period (in years)			3 years
Settlement rate, amount					$ 19,500
Settlement rate, period (in years)					3 years
Approved rate increase (decrease), amount								$ 436
Approved return on equity percentage (as a percent)		10.10%
Approved equity capital structure, percentage (as a percent)		53.00%
2023 North Carolina Rate Case \| NCUC \| Forecast
Public Utilities, General Disclosures [Line Items]
Approved rate increase (decrease), amount						$ 158	$ 174		$ 768
2023 North Carolina Rate Case, Retail Allocated \| NCUC
Public Utilities, General Disclosures [Line Items]
Settlement rate, amount					$ 4,600
2025 South Carolina Rate Case \| PSCSC \| Subsequent event
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount	$ 151
Requested return on equity (as a percent)	10.85%
Requested equity capital structure, percentage (as a percent)	53.00%
Requested rate increase (decrease) (as a percent)	7.70%