Environmental Matters (Tables)

9 Months Ended

Sep. 30, 2011

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, 2010		$	20	$	15	$	35
Amount accrued for environmental loss contingencies(a)			1		6		7
Expenditures for environmental loss contingencies(b)			(4)		(13)		(17)
Balance, September 30, 2011(c)		$	17	$	8	$	25
Balance, December 31, 2009		$	22	$	20	$	42
Amount accrued for environmental loss contingencies(a)			7		11		18
Expenditures for environmental loss contingencies(b)			(8)		(14)		(22)
Balance, September 30, 2010(c)		$	21	$	17	$	38
(a)	Amounts accrued are for the nine months ended September 30, 2011 and 2010. For the three months ended September 30, 2011 and 2010, our accruals for environmental loss contingencies were not material.
(b)	Expenditures are for the nine months ended September 30, 2011 and 2010. For the three months ended September 30, 2011, our expenditures for environmental loss contingencies were not material. For the three months ended September 30, 2010, our expenditures were not material for the remediation of MGP and other sites and were $5 million for the remediation of distribution and substation transformers.
(c)	Expected to be paid out over one to 15 years.