Organization and Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2011

Disclosure Organization And Summary Of Significant Accounting Policies Tables [Abstract]

Schedule of excise taxes [Tables]

	Three months ended September 30				Nine months ended September 30
(in millions)	2011		2010		2011		2010
Progress Energy	$	96	$	101	$	245	$	265
PEC		33		34		86		91
PEF		63		67		159		174

Schedule of consolidated variable interest entity [Tables]

(in millions)	September 30, 2011		December 31, 2010
Miscellaneous other property and investments	$	12	$	12
Cash and cash equivalents		1		-
Prepayments and other current assets		-		1
Accounts payable		-		5