Estimated capital cost of new project

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- Definition

Jointly Owned Utility Plan, Guarantee, Maximum Exposure, Percentage Of Outstanding Borrowings

+ References

No definition available.

+ Details

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248

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- Definition

The period end amount owned by the reporting utility of a jointly owned utility plant in service.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 360
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 10.C)
-URI http://asc.fasb.org/extlink&oid=115995737&loc=d3e659983-123033

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- Definition

The proportionate share of interest (percent) in a jointly owned utility plant.

+ References

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- Definition

Period covered by the long-term purchase commitment, 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

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.

+ References

No definition available.

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- Definition

Period end amount of total net PPE.

+ References

No definition available.

+ Details

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Regulatory Matters (Other Regulatory Matters) (Details) - USD ($) $ in Millions	Sep. 02, 2014	Mar. 31, 2020	Dec. 31, 2019
Public Utilities, General Disclosures [Line Items]
Public utilities, property, plant and equipment, net		$ 103,108	$ 102,127
Duke Energy Carolinas
Public Utilities, General Disclosures [Line Items]
Public utilities, property, plant and equipment, net		32,650	32,397
Duke Energy Progress
Public Utilities, General Disclosures [Line Items]
Public utilities, property, plant and equipment, net		22,815	$ 22,934
ACP
Public Utilities, General Disclosures [Line Items]
Joint owner ownership percentage	47.00%
Long-term purchase commitment, period	20 years
Estimated capital cost		8,000
Investment amount		$ 1,200
Constitution
Public Utilities, General Disclosures [Line Items]
Joint owner ownership percentage		24.00%
Dominion resources \| ACP
Public Utilities, General Disclosures [Line Items]
Joint owner ownership percentage		53.00%
Southern Company Gas \| ACP
Public Utilities, General Disclosures [Line Items]
Joint owner ownership percentage	5.00%
Williams Partners L.P. \| Constitution
Public Utilities, General Disclosures [Line Items]
Joint owner ownership percentage		41.00%
Financial guarantee \| ACP
Public Utilities, General Disclosures [Line Items]
Maximum potential amount of future payments associated with guarantees		$ 845
Credit Facility \| ACP
Public Utilities, General Disclosures [Line Items]
Percentage of outstanding borrowings		47.00%
Generation facilities evaluated for retirement \| Duke Energy Carolinas
Public Utilities, General Disclosures [Line Items]
Public utilities, property, plant and equipment, net		$ 707
Generation facilities evaluated for retirement \| Duke Energy Progress
Public Utilities, General Disclosures [Line Items]
Public utilities, property, plant and equipment, net		$ 1,200