Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2013

Duke Energy Carolinas [Member]


		Three Months Ended March 31,
(in millions)		2013		2012
Duke Energy Carolinas
Corporate governance and shared service expenses^(a)		$	243	$	235
Indemnification coverages^(b)			5		5
Joint Dispatch Agreement (JDA) revenue^(c)			53		―
JDA expense^(c)			10		―
Progress Energy
Corporate governance and shared services provided by Duke Energy^(a)		$	80	$	―
Corporate governance and shared services provided to Duke Energy^(d)			28		―
Indemnification coverages^(b)			8		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Progress
Corporate governance and shared service expenses^(a)		$	48	$	52
Indemnification coverages^(b)			5		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Florida
Corporate governance and shared service expenses^(a)		$	32	$	39
Indemnification coverages^(b)			3		―
Duke Energy Ohio
Corporate governance and shared service expenses^(a)		$	87	$	90
Indemnification coverages^(b)			4		4
Duke Energy Indiana
Corporate governance and shared service expenses^(a)		$	99	$	101
Indemnification coverages^(b)			2		2

(a)	The Subsidiary Registrants are charged their proportionate share of corporate governance and other costs by unconsolidated affiliates that are consolidated affiliates of Duke Energy and Progress Energy. Corporate governance and other shared services costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. These amounts are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(b)	The Subsidiary Registrants incur expenses related to certain indemnification coverages through Bison, Duke Energy’s wholly owned captive insurance subsidiary. These expenses are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(c)	Effective with the consummation of the merger between Duke Energy and Progress Energy, Duke Energy Carolinas and Duke Energy Progress began to participate in a JDA which allowed the collective dispatch of power plants between the service territories to reduce customer rates. Revenues from the sale of power under the JDA are recorded in Operating Revenues on the Condensed Consolidated Statements of Operations and Comprehensive Income. Expenses from the purchase of power under the JDA are recorded in Fuel used in electric generation and purchased power on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(d)	Progress Energy charges a proportionate share of corporate governance and other costs to unconsolidated affiliates that are consolidated affiliates of Duke Energy. Corporate governance and other shared costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third-party costs. These charges are recorded as an offset to Operation, maintenance and other in the Condensed Consolidated Statements of Operations and Comprehensive Income.

Progress Energy [Member]


		Three Months Ended March 31,
(in millions)		2013		2012
Duke Energy Carolinas
Corporate governance and shared service expenses^(a)		$	243	$	235
Indemnification coverages^(b)			5		5
Joint Dispatch Agreement (JDA) revenue^(c)			53		―
JDA expense^(c)			10		―
Progress Energy
Corporate governance and shared services provided by Duke Energy^(a)		$	80	$	―
Corporate governance and shared services provided to Duke Energy^(d)			28		―
Indemnification coverages^(b)			8		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Progress
Corporate governance and shared service expenses^(a)		$	48	$	52
Indemnification coverages^(b)			5		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Florida
Corporate governance and shared service expenses^(a)		$	32	$	39
Indemnification coverages^(b)			3		―
Duke Energy Ohio
Corporate governance and shared service expenses^(a)		$	87	$	90
Indemnification coverages^(b)			4		4
Duke Energy Indiana
Corporate governance and shared service expenses^(a)		$	99	$	101
Indemnification coverages^(b)			2		2

(a)	The Subsidiary Registrants are charged their proportionate share of corporate governance and other costs by unconsolidated affiliates that are consolidated affiliates of Duke Energy and Progress Energy. Corporate governance and other shared services costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. These amounts are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(b)	The Subsidiary Registrants incur expenses related to certain indemnification coverages through Bison, Duke Energy’s wholly owned captive insurance subsidiary. These expenses are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(c)	Effective with the consummation of the merger between Duke Energy and Progress Energy, Duke Energy Carolinas and Duke Energy Progress began to participate in a JDA which allowed the collective dispatch of power plants between the service territories to reduce customer rates. Revenues from the sale of power under the JDA are recorded in Operating Revenues on the Condensed Consolidated Statements of Operations and Comprehensive Income. Expenses from the purchase of power under the JDA are recorded in Fuel used in electric generation and purchased power on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(d)	Progress Energy charges a proportionate share of corporate governance and other costs to unconsolidated affiliates that are consolidated affiliates of Duke Energy. Corporate governance and other shared costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third-party costs. These charges are recorded as an offset to Operation, maintenance and other in the Condensed Consolidated Statements of Operations and Comprehensive Income.

Duke Energy Progress [Member]


		Three Months Ended March 31,
(in millions)		2013		2012
Duke Energy Carolinas
Corporate governance and shared service expenses^(a)		$	243	$	235
Indemnification coverages^(b)			5		5
Joint Dispatch Agreement (JDA) revenue^(c)			53		―
JDA expense^(c)			10		―
Progress Energy
Corporate governance and shared services provided by Duke Energy^(a)		$	80	$	―
Corporate governance and shared services provided to Duke Energy^(d)			28		―
Indemnification coverages^(b)			8		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Progress
Corporate governance and shared service expenses^(a)		$	48	$	52
Indemnification coverages^(b)			5		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Florida
Corporate governance and shared service expenses^(a)		$	32	$	39
Indemnification coverages^(b)			3		―
Duke Energy Ohio
Corporate governance and shared service expenses^(a)		$	87	$	90
Indemnification coverages^(b)			4		4
Duke Energy Indiana
Corporate governance and shared service expenses^(a)		$	99	$	101
Indemnification coverages^(b)			2		2

(a)	The Subsidiary Registrants are charged their proportionate share of corporate governance and other costs by unconsolidated affiliates that are consolidated affiliates of Duke Energy and Progress Energy. Corporate governance and other shared services costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. These amounts are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(b)	The Subsidiary Registrants incur expenses related to certain indemnification coverages through Bison, Duke Energy’s wholly owned captive insurance subsidiary. These expenses are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(c)	Effective with the consummation of the merger between Duke Energy and Progress Energy, Duke Energy Carolinas and Duke Energy Progress began to participate in a JDA which allowed the collective dispatch of power plants between the service territories to reduce customer rates. Revenues from the sale of power under the JDA are recorded in Operating Revenues on the Condensed Consolidated Statements of Operations and Comprehensive Income. Expenses from the purchase of power under the JDA are recorded in Fuel used in electric generation and purchased power on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(d)	Progress Energy charges a proportionate share of corporate governance and other costs to unconsolidated affiliates that are consolidated affiliates of Duke Energy. Corporate governance and other shared costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third-party costs. These charges are recorded as an offset to Operation, maintenance and other in the Condensed Consolidated Statements of Operations and Comprehensive Income.

Duke Energy Florida [Member]


		Three Months Ended March 31,
(in millions)		2013		2012
Duke Energy Carolinas
Corporate governance and shared service expenses^(a)		$	243	$	235
Indemnification coverages^(b)			5		5
Joint Dispatch Agreement (JDA) revenue^(c)			53		―
JDA expense^(c)			10		―
Progress Energy
Corporate governance and shared services provided by Duke Energy^(a)		$	80	$	―
Corporate governance and shared services provided to Duke Energy^(d)			28		―
Indemnification coverages^(b)			8		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Progress
Corporate governance and shared service expenses^(a)		$	48	$	52
Indemnification coverages^(b)			5		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Florida
Corporate governance and shared service expenses^(a)		$	32	$	39
Indemnification coverages^(b)			3		―
Duke Energy Ohio
Corporate governance and shared service expenses^(a)		$	87	$	90
Indemnification coverages^(b)			4		4
Duke Energy Indiana
Corporate governance and shared service expenses^(a)		$	99	$	101
Indemnification coverages^(b)			2		2

(a)	The Subsidiary Registrants are charged their proportionate share of corporate governance and other costs by unconsolidated affiliates that are consolidated affiliates of Duke Energy and Progress Energy. Corporate governance and other shared services costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. These amounts are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(b)	The Subsidiary Registrants incur expenses related to certain indemnification coverages through Bison, Duke Energy’s wholly owned captive insurance subsidiary. These expenses are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(c)	Effective with the consummation of the merger between Duke Energy and Progress Energy, Duke Energy Carolinas and Duke Energy Progress began to participate in a JDA which allowed the collective dispatch of power plants between the service territories to reduce customer rates. Revenues from the sale of power under the JDA are recorded in Operating Revenues on the Condensed Consolidated Statements of Operations and Comprehensive Income. Expenses from the purchase of power under the JDA are recorded in Fuel used in electric generation and purchased power on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(d)	Progress Energy charges a proportionate share of corporate governance and other costs to unconsolidated affiliates that are consolidated affiliates of Duke Energy. Corporate governance and other shared costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third-party costs. These charges are recorded as an offset to Operation, maintenance and other in the Condensed Consolidated Statements of Operations and Comprehensive Income.

Duke Energy Ohio [Member]


		Three Months Ended March 31,
(in millions)		2013		2012
Duke Energy Carolinas
Corporate governance and shared service expenses^(a)		$	243	$	235
Indemnification coverages^(b)			5		5
Joint Dispatch Agreement (JDA) revenue^(c)			53		―
JDA expense^(c)			10		―
Progress Energy
Corporate governance and shared services provided by Duke Energy^(a)		$	80	$	―
Corporate governance and shared services provided to Duke Energy^(d)			28		―
Indemnification coverages^(b)			8		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Progress
Corporate governance and shared service expenses^(a)		$	48	$	52
Indemnification coverages^(b)			5		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Florida
Corporate governance and shared service expenses^(a)		$	32	$	39
Indemnification coverages^(b)			3		―
Duke Energy Ohio
Corporate governance and shared service expenses^(a)		$	87	$	90
Indemnification coverages^(b)			4		4
Duke Energy Indiana
Corporate governance and shared service expenses^(a)		$	99	$	101
Indemnification coverages^(b)			2		2

(a)	The Subsidiary Registrants are charged their proportionate share of corporate governance and other costs by unconsolidated affiliates that are consolidated affiliates of Duke Energy and Progress Energy. Corporate governance and other shared services costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. These amounts are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(b)	The Subsidiary Registrants incur expenses related to certain indemnification coverages through Bison, Duke Energy’s wholly owned captive insurance subsidiary. These expenses are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(c)	Effective with the consummation of the merger between Duke Energy and Progress Energy, Duke Energy Carolinas and Duke Energy Progress began to participate in a JDA which allowed the collective dispatch of power plants between the service territories to reduce customer rates. Revenues from the sale of power under the JDA are recorded in Operating Revenues on the Condensed Consolidated Statements of Operations and Comprehensive Income. Expenses from the purchase of power under the JDA are recorded in Fuel used in electric generation and purchased power on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(d)	Progress Energy charges a proportionate share of corporate governance and other costs to unconsolidated affiliates that are consolidated affiliates of Duke Energy. Corporate governance and other shared costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third-party costs. These charges are recorded as an offset to Operation, maintenance and other in the Condensed Consolidated Statements of Operations and Comprehensive Income.

Duke Energy Indiana [Member]


		Three Months Ended March 31,
(in millions)		2013		2012
Duke Energy Carolinas
Corporate governance and shared service expenses^(a)		$	243	$	235
Indemnification coverages^(b)			5		5
Joint Dispatch Agreement (JDA) revenue^(c)			53		―
JDA expense^(c)			10		―
Progress Energy
Corporate governance and shared services provided by Duke Energy^(a)		$	80	$	―
Corporate governance and shared services provided to Duke Energy^(d)			28		―
Indemnification coverages^(b)			8		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Progress
Corporate governance and shared service expenses^(a)		$	48	$	52
Indemnification coverages^(b)			5		―
JDA revenue^(c)			10		―
JDA expense^(c)			53		―
Duke Energy Florida
Corporate governance and shared service expenses^(a)		$	32	$	39
Indemnification coverages^(b)			3		―
Duke Energy Ohio
Corporate governance and shared service expenses^(a)		$	87	$	90
Indemnification coverages^(b)			4		4
Duke Energy Indiana
Corporate governance and shared service expenses^(a)		$	99	$	101
Indemnification coverages^(b)			2		2

(a)	The Subsidiary Registrants are charged their proportionate share of corporate governance and other costs by unconsolidated affiliates that are consolidated affiliates of Duke Energy and Progress Energy. Corporate governance and other shared services costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. These amounts are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(b)	The Subsidiary Registrants incur expenses related to certain indemnification coverages through Bison, Duke Energy’s wholly owned captive insurance subsidiary. These expenses are recorded in Operation, maintenance and other on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(c)	Effective with the consummation of the merger between Duke Energy and Progress Energy, Duke Energy Carolinas and Duke Energy Progress began to participate in a JDA which allowed the collective dispatch of power plants between the service territories to reduce customer rates. Revenues from the sale of power under the JDA are recorded in Operating Revenues on the Condensed Consolidated Statements of Operations and Comprehensive Income. Expenses from the purchase of power under the JDA are recorded in Fuel used in electric generation and purchased power on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(d)	Progress Energy charges a proportionate share of corporate governance and other costs to unconsolidated affiliates that are consolidated affiliates of Duke Energy. Corporate governance and other shared costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third-party costs. These charges are recorded as an offset to Operation, maintenance and other in the Condensed Consolidated Statements of Operations and Comprehensive Income.