Benefit Plans (Tables)

3 Months Ended

6 Months Ended

Jun. 30, 2012

Jun. 30, 2012

Benefit Plans Disclosure [Line Items]

Schedule of Net Benefit Costs [Tables]

PROGRESS ENERGY
		Pension Benefits				OPEB
(in millions)			2012		2011		2012		2011
Service cost		$	16	$	14	$	4	$	3
Interest cost			33		35		11		10
Expected return on plan assets			(46)		(45)		0		0
Amortization of actuarial loss(a)			26		18		9		3
Other amortization, net (a)			2		1		1		1
	Net periodic cost	$	31	$	23	$	25	$	17
(a)	Adjusted to reflect PEF’s rate treatment. See Note 17B in the 2011 Form 10-K.

PROGRESS ENERGY
			Pension Benefits				OPEB
(in millions)			2012		2011		2012		2011
Service cost		$	32	$	27	$	7	$	6
Interest cost			67		70		21		20
Expected return on plan assets			(93)		(91)		(1)		(1)
Amortization of actuarial loss(a)			48		33		15		6
Other amortization, net (a)			4		3		2		3
	Net periodic cost	$	58	$	42	$	44	$	34
(a)	Adjusted to reflect PEF’s rate treatment. See Note 17B in the 2011 Form 10-K.

PEC

Benefit Plans Disclosure [Line Items]

Schedule of Net Benefit Costs [Tables]

PEC
			Pension Benefits				OPEB
(in millions)			2012		2011		2012		2011
Service cost		$	7	$	6	$	2	$	2
Interest cost			15		16		6		5
Expected return on plan assets			(24)		(23)		0		0
Amortization of actuarial loss			10		7		6		1
Other amortization, net			2		1		0		0
	Net periodic cost	$	10	$	7	$	14	$	8

PEC
			Pension Benefits				OPEB
(in millions)			2012		2011		2012		2011
Service cost		$	13	$	11	$	4	$	2
Interest cost			29		31		11		10
Expected return on plan assets			(47)		(46)		0		0
Amortization of actuarial loss			20		13		8		2
Other amortization, net			4		3		0		1
	Net periodic cost	$	19	$	12	$	23	$	15

PEF

Benefit Plans Disclosure [Line Items]

Schedule of Net Benefit Costs [Tables]

PEF
			Pension Benefits				OPEB
(in millions)			2012		2011		2012		2011
Service cost		$	7	$	6	$	1	$	1
Interest cost			15		15		4		4
Expected return on plan assets			(20)		(20)		0		0
Amortization of actuarial loss			12		9		3		2
Other amortization, net			0		0		1		1
	Net periodic cost	$	14	$	10	$	9	$	8

PEF
			Pension Benefits				OPEB
(in millions)			2012		2011		2012		2011
Service cost		$	14	$	12	$	3	$	2
Interest cost			29		30		9		9
Expected return on plan assets			(40)		(39)		(1)		(1)
Amortization of actuarial loss			23		17		5		4
Other amortization, net			0		0		2		2
	Net periodic cost	$	26	$	20	$	18	$	16