Organization and Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 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 March 31,
(in millions)	2015		2014
Duke Energy	$	100	$	167
Duke Energy Carolinas	9		46
Progress Energy	49		77
Duke Energy Progress	4		32
Duke Energy Florida	45		45
Duke Energy Ohio	32		34
Duke Energy Indiana	10		10

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)	March 31, 2015		December 31, 2014
Duke Energy	$	710	$	827
Duke Energy Carolinas	257		295
Progress Energy	188		217
Duke Energy Progress	114		135
Duke Energy Florida	74		82
Duke Energy Ohio	1		—
Duke Energy Indiana	28		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)	March 31, 2015		December 31, 2014
Duke Energy Ohio	$	62	$	79
Duke Energy Indiana	91		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)	March 31, 2015		December 31, 2014
Duke Energy Ohio	$	62	$	79
Duke Energy Indiana	91		112