Effective Income Tax Rate Reconciliation, State and Local Taxes, Increase (Reduction), Amount

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- Definition

Public Utilities, Regulatory Asset, Amount of Recovery Costs Disallowed

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- Definition

Public Utilities, Requested Rate Increase (Decrease), Gross Amount

+ References

No definition available.

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- Definition

Public Utilities, Requested Rate Increase (Decrease), Rider Reduction

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No definition available.

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- Definition

Tax Cuts and Jobs Act, Measurement Period Adjustment, Income Tax Expense (Benefit)

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No definition available.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Percentage of public utility's approved return on equity.

+ References

No definition available.

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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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No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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

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- Definition

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

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No definition available.

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- Definition

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

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No definition available.

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- Definition

Percentage of public utility's requested return on equity.

+ References

No definition available.

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- Definition

Amortization period for the recovery of regulatory asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 340
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- Definition

Amount of income tax benefit for remeasurement of deferred tax liability from change in tax rate pursuant to Tax Cuts and Jobs Act.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Regulatory Matters (Regulatory Matters Narrative - Duke Energy Carolinas) (Details) - USD ($) $ in Millions	Oct. 26, 2020	Jul. 31, 2020	Oct. 30, 2019	Sep. 30, 2019	May 21, 2019	Nov. 08, 2018	Feb. 28, 2018	Nov. 22, 2017	Aug. 25, 2017	Jun. 01, 2017
Duke Energy Carolinas \| NCUC \| 2017 North Carolina Rate Case
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount									$ 647
Requested return on equity, percent							9.90%
Public utilities, requested equity capital structure, percentage							52.00%
Public utilities, requested debt capital structure, percentage							48.00%
Duke Energy Carolinas \| NCUC \| 2019 North Carolina Rate Case
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount				$ 291
Requested rate increase, percentage				6.00%
Requested rate increase (decrease), gross amount				$ 445
Requested rate increase (decrease), rider reduction				$ 154
Duke Energy Carolinas \| NCUC \| 2019 North Carolina Rate Case, additional Agreement and Stipulation of Partial Settlement
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amended amount		$ 800
Requested return on equity, percent		9.60%
Public utilities, requested equity capital structure, percentage		52.00%
Public utilities, requested debt capital structure, percentage		48.00%
Regulatory asset, amortization period						5 years
Duke Energy Carolinas \| NCUC \| Annual revenue requirement
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amended amount		$ 45
Duke Energy Carolinas \| NCUC \| Annual revenue requirement \| Subsequent event
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amended amount	$ 262
Duke Energy Carolinas \| PSCSC \| South Carolina Rate Case 2018
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount						$ 168
Approved return on equity percentage					9.50%
Public utilities, approved equity capital structure, percentage					53.00%
Public utilities, approved debt capital structure, percentage					47.00%
Change in tax rate, deferred tax liability, income tax benefit					$ 66
Measurement period adjustment, income tax expense (benefit)					$ 45
Duke Energy Carolinas \| PSCSC \| South Carolina Rate Case 2018 \| State and local jurisdiction \| North Carolina Department of Revenue
Public Utilities, General Disclosures [Line Items]
Regulatory asset, amortization period					5 years
State and local taxes reduction amount					$ 17
Duke Energy Carolinas \| Asset retirement obligations - coal ash \| PSCSC \| South Carolina Rate Case 2018
Public Utilities, General Disclosures [Line Items]
Regulatory assets					$ 96
Regulatory asset, amortization period					5 years
Recovery costs denied					$ 115
Duke Energy Carolinas \| Asset retirement obligations - unprotected EDIT, Property, Plant and Equipment \| PSCSC \| South Carolina Rate Case 2018
Public Utilities, General Disclosures [Line Items]
Regulatory asset, amortization period					20 years
Duke Energy Carolinas \| Asset retirement obligations - unprotected EDIT \| PSCSC \| South Carolina Rate Case 2018
Public Utilities, General Disclosures [Line Items]
Regulatory asset, amortization period					5 years
Duke Energy Carolinas \| Asset retirement obligations - deferred revenue \| PSCSC \| South Carolina Rate Case 2018
Public Utilities, General Disclosures [Line Items]
Regulatory asset, amortization period					5 years
Duke Energy Carolinas \| Deferred project costs \| PSCSC \| South Carolina Rate Case 2018
Public Utilities, General Disclosures [Line Items]
Regulatory assets					$ 125
Regulatory asset, amortization period					12 years
Duke Energy Progress [Member] \| NCUC \| 2017 North Carolina Rate Case
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amended amount										$ 420
Requested rate increase (decrease), amount										$ 477
Requested return on equity, percent								9.90%
Public utilities, requested equity capital structure, percentage								52.00%
Public utilities, requested debt capital structure, percentage								48.00%
Duke Energy Progress [Member] \| NCUC \| 2019 North Carolina Rate Case
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount			$ 464
Requested rate increase, percentage			12.30%
Requested rate increase (decrease), gross amount			$ 586
Requested rate increase (decrease), rider reduction			$ 120
Duke Energy Progress [Member] \| NCUC \| 2019 North Carolina Rate Case, additional Agreement and Stipulation of Partial Settlement
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amended amount		$ 500
Requested return on equity, percent		9.60%
Public utilities, requested equity capital structure, percentage		52.00%
Public utilities, requested debt capital structure, percentage		48.00%
Regulatory asset, amortization period		5 years
Duke Energy Progress [Member] \| NCUC \| Annual revenue requirement
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amended amount		$ 25
Duke Energy Progress [Member] \| NCUC \| Annual revenue requirement \| Subsequent event
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amended amount	$ 842
Duke Energy Progress [Member] \| PSCSC \| South Carolina Rate Case 2018
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount						$ 59
Approved return on equity percentage					9.50%
Public utilities, approved equity capital structure, percentage					53.00%
Public utilities, approved debt capital structure, percentage					47.00%
Change in tax rate, deferred tax liability, income tax benefit					$ (17)
Measurement period adjustment, income tax expense (benefit)					12
Duke Energy Progress [Member] \| PSCSC \| South Carolina Rate Case 2018 \| State and local jurisdiction \| North Carolina Department of Revenue
Public Utilities, General Disclosures [Line Items]
State and local taxes reduction amount					(12)
Duke Energy Progress [Member] \| Asset retirement obligations - coal ash \| PSCSC \| South Carolina Rate Case 2018
Public Utilities, General Disclosures [Line Items]
Regulatory assets					$ 4
Regulatory asset, amortization period					5 years
Recovery costs denied					$ 65
Duke Energy Progress [Member] \| Asset retirement obligations - unprotected EDIT, Property, Plant and Equipment \| PSCSC \| South Carolina Rate Case 2018
Public Utilities, General Disclosures [Line Items]
Regulatory asset, amortization period					20 years
Duke Energy Progress [Member] \| Asset retirement obligations - unprotected EDIT \| PSCSC \| South Carolina Rate Case 2018
Public Utilities, General Disclosures [Line Items]
Regulatory asset, amortization period					5 years
Duke Energy Progress [Member] \| Asset retirement obligations - deferred revenue \| PSCSC \| South Carolina Rate Case 2018
Public Utilities, General Disclosures [Line Items]
Regulatory asset, amortization period					3 years
15-year storm recovery bond \| Duke Energy Carolinas \| Subsequent event
Public Utilities, General Disclosures [Line Items]
Bond term	15 years