Organization and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Disclosure Organization And Summary Of Significant Accounting Policies [Line Items]

Schedule of excise taxes [Tables]

	Three months ended June 30				Six months ended June 30
(in millions)	2012		2011		2012		2011
Progress Energy	$	77	$	76	$	146	$	149
PEC		26		25		52		53
PEF		51		51		94		96

Schedule of consolidated variable interest entity [Tables]

(in millions)	June 30, 2012		December 31, 2011
Miscellaneous other property and investments	$	12	$	12
Cash and cash equivalents		2		1

PEC

Disclosure Organization And Summary Of Significant Accounting Policies [Line Items]

Schedule of excise taxes [Tables]

	Three months ended June 30				Six months ended June 30
(in millions)	2012		2011		2012		2011
Progress Energy	$	77	$	76	$	146	$	149
PEC		26		25		52		53
PEF		51		51		94		96

Schedule of consolidated variable interest entity [Tables]

(in millions)	June 30, 2012		December 31, 2011
Miscellaneous other property and investments	$	12	$	12
Cash and cash equivalents		2		1

PEF

Disclosure Organization And Summary Of Significant Accounting Policies [Line Items]

Schedule of excise taxes [Tables]

	Three months ended June 30				Six months ended June 30
(in millions)	2012		2011		2012		2011
Progress Energy	$	77	$	76	$	146	$	149
PEC		26		25		52		53
PEF		51		51		94		96