Joint Ownership Of Generating And Transmission Facilities (Tables)

12 Months Ended

Dec. 31, 2011

Joint Ownership Of Generating And Transmission Facilities [Abstract]

Schedule Of Joint Ownership Of Generating And Transmission Facilities

	Ownership Share			Property, Plant, and Equipment		Accumulated Depreciation		Construction Work in Progress
	(in millions)
Duke Energy
Duke Energy Carolinas
Production:
Catawba Nuclear Station (Units 1 and 2)(a)		19.25	%	$	880	$	427	$	5
Duke Energy Ohio
Production:
Miami Fort Station (Units 7 and 8)(b)		64.0			612		190		4
W.C. Beckjord Station (Unit 6)(b)(d)		37.5			—		—		—
J.M. Stuart Station(b)(c)		39.0			805		251		17
Conesville Station (Unit 4)(b)(c)		40.0			295		51		14
W.M. Zimmer Station(b)		46.5			1,318		559		39
Killen Station(b)(c)		33.0			304		139		3
Vermillion(b)(e)		75.0			174		61		—
Transmission(a)		Various			104		54		—
Duke Energy Kentucky
Production:
East Bend Station(a)		69.0			434		234		6
Duke Energy Indiana
Production:
Gibson Station (Unit 5)(a)		50.05			305		141		3
Transmission and local facilities(a)		Various			3,335		1,448		—
International Energy
Production:
Brazil – Canoas I and II		47.2			332		91		—

(a) Included in USFE&G segment.

(b) Included in Commercial Power segment.

(c) Station is not operated by Duke Energy Ohio.

(d) During the 2010 and 2009, Duke Energy Ohio recorded impairment charges to write-down its share of W.C. Beckjord Station to fair value. See Note 12 for further details.

(e) After receiving approval from the FERC and the IURC, on January 12, 2012, Duke Energy Ohio completed the sale its 75% ownership in the Vermillion Generating Station. Upon the close, Duke Energy Indiana and WVPA held 62.5% and 37.5% interests, respectively. See Notes 2 and 5 for further discussion of the Vermillion transaction.