Environmental Matters (Tables)

3 Months Ended

Mar. 31, 2012

Disclosure Environmental Matters Tables [Abstract]

Environmental remediation accruals [Tables]

PROGRESS ENERGY
(in millions)		MGP and Other Sites		Remediation of Distribution and Substation Transformers		Total
Balance, December 31, 2011		$	17	$	6	$	23
Amount accrued for environmental loss contingencies			3		2		5
Expenditures for environmental loss contingencies			(2)		(2)		(4)
Balance, March 31, 2012(a)		$	18	$	6	$	24
Balance, December 31, 2010		$	20	$	15	$	35
Amount accrued for environmental loss contingencies			-		-		-
Expenditures for environmental loss contingencies			(1)		(5)		(6)
Balance, March 31, 2011(a)		$	19	$	10	$	29
(a)	Expected to be paid out over one to 12 years.