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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483443/250-10-50-8

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483443/250-10-50-9

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-10

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I.7)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-22

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(9))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Subparagraph (a)
-SubTopic 20
-Topic 740
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482659/740-20-45-2

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h))
-SubTopic 10
-Topic 235
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

+ Details

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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.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's requested return on equity.

+ References

No definition available.

+ Details

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- Definition

The total amount of operating revenues recognized during the period.

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

+ Details

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Regulatory Matters (Regulatory Matters Narrative - Duke Energy Ohio) (Details) - USD ($) $ in Millions							1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 28, 2023	Apr. 03, 2023	Mar. 10, 2023	Dec. 01, 2022	Sep. 19, 2022	Oct. 01, 2021	Dec. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Public Utilities, General Disclosures [Line Items]
Operating Revenues								$ 6,578	$ 6,564	$ 13,854	$ 13,575
Operation, maintenance and other								1,375	1,367	2,685	2,915
Income Tax Expense From Continuing Operations								(119)	(114)	(274)	(139)
Duke Energy Ohio
Public Utilities, General Disclosures [Line Items]
Operating Revenues								589	545	1,298	1,183
Operation, maintenance and other								121	109	244	287
Income Tax Expense From Continuing Operations								$ (13)	$ (9)	$ (33)	$ 47
Duke Energy Ohio Electric Base Rate Case \| PUCO \| Duke Energy Ohio
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount					$ 23	$ 55
Requested return on equity (as a percent)					9.50%	10.30%
Duke Energy Ohio Gas Base Rate Case \| PUCO \| Duke Energy Ohio
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount	$ 32	$ 49
Requested return on equity (as a percent)	9.60%	10.30%
Requested rate increase, percentage		5.60%
Duke Energy Ohio Gas Base Rate Case \| PUCO \| Duke Energy Ohio \| Minimum
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount												$ 24
Requested return on equity (as a percent)												9.03%
Duke Energy Ohio Gas Base Rate Case \| PUCO \| Duke Energy Ohio \| Maximum
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount												$ 36
Requested return on equity (as a percent)												10.04%
Equity ratio (as a percent)	52.32%											52.32%
Duke Energy Kentucky Electric Base Rate Case \| KPSC \| Duke Energy Ohio
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount			$ 31	$ 75
Requested return on equity (as a percent)			9.55%	10.35%
Requested rate increase, percentage							17.80%