Organization and Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2015

Organization And Basis Of Presentation [Line Items]

Schedule of Excise Taxes

Excise taxes recognized on a gross basis are recorded as Operating Revenues and Property and other taxes on the Condensed Consolidated Statements of Operations. The following table provides the amount of excise taxes accounted for on a gross basis.

	Three Months Ended June 30,				Six Months Ended June 30,
(in millions)	2015		2014		2015		2014
Duke Energy	$	97	$	151	$	197	$	318
Duke Energy Carolinas	9		43		18		89
Progress Energy	57		74		106		151
Duke Energy Progress	4		24		8		56
Duke Energy Florida	53		50		98		95
Duke Energy Ohio	23		25		55		59
Duke Energy Indiana	8		9		18		19

Unbilled Revenues [Member]

Organization And Basis Of Presentation [Line Items]

Schedule Of Unbilled Revenues With Restricted Receivables

Unbilled revenues are included within Receivables and Restricted receivables of variable interest entities on the Condensed Consolidated Balance Sheets as shown in the following table.

(in millions)	June 30, 2015		December 31, 2014
Duke Energy	$	821	$	827
Duke Energy Carolinas	314		295
Progress Energy	224		217
Duke Energy Progress	117		135
Duke Energy Florida	107		82
Duke Energy Ohio	2		—
Duke Energy Indiana	30		27

Duke Energy Ohio [Member] | Unbilled Revenues [Member]

Organization And Basis Of Presentation [Line Items]

Schedule Of Unbilled Revenues With Restricted Receivables

These receivables for unbilled revenues are shown in the table below.

(in millions)	June 30, 2015		December 31, 2014
Duke Energy Ohio	$	67	$	79
Duke Energy Indiana	98		112

Duke Energy Indiana [Member] | Unbilled Revenues [Member]

Organization And Basis Of Presentation [Line Items]

Schedule Of Unbilled Revenues With Restricted Receivables

These receivables for unbilled revenues are shown in the table below.

(in millions)	June 30, 2015		December 31, 2014
Duke Energy Ohio	$	67	$	79
Duke Energy Indiana	98		112