Commitments and Contingencies (Table)

12 Months Ended

Dec. 31, 2013

Valuation and Qualifying Accounts Disclosure [Line Items]

Accrual For Environmental Loss Contingencies

(in millions)	Duke Energy		Duke Energy Carolinas		Progress Energy		Duke Energy Progress		Duke Energy Florida		Duke Energy Ohio		Duke Energy Indiana
Balance at December 31, 2010	$	88	$	13	$	35	$	12	$	23	$	50	$	11
Provisions / adjustments		6		―		10		1		9		5		1
Cash reductions		(33)		(1)		(22)		(2)		(20)		(27)		(3)
Balance at December 31, 2011		61		12		23		11		12		28		9
Provisions / adjustments		39		1		19		5		14		5		3
Cash reductions		(25)		(1)		(9)		(2)		(7)		(18)		(4)
Balance at December 31, 2012		75		12		33		14		19		15		8
Provisions / adjustments		26		―		4		(1)		5		20		1
Cash reductions		(22)		(1)		(10)		(5)		(5)		(8)		(2)
Balance at December 31, 2013	$	79	$	11	$	27	$	8	$	19	$	27	$	7

Schedule of Additional Possible Losses in Excess of Recorded Environmental Reserves

Additional losses in excess of recorded reserves that could be incurred for the stages of investigation, remediation and monitoring for environmental sites that have been evaluated at this time are presented in the table below.
(in millions)
Duke Energy	$	74
Duke Energy Carolinas		29
Progress Energy		5
Duke Energy Progress		2
Duke Energy Florida		3
Duke Energy Ohio		35
Duke Energy Indiana		5

Estimated Costs of Complying With Recently Issued and Proposed EPA Regulations

(in millions)
Duke Energy	$	525	to	$	625
Duke Energy Carolinas		40	to		50
Progress Energy		25	to		40
Duke Energy Progress		10	to		15
Duke Energy Florida		15	to		25
Duke Energy Ohio		35	to		50
Duke Energy Indiana		425	to		485

Schedule of Litigation Reserves and Related Insurance Recoveries

		December 31,
(in millions)		2013		2012
Reserves for Legal and Other Matters(a)
Duke Energy(b)		$	824	$	846
Duke Energy Carolinas(b)			616		751
Progress Energy			78		79
Duke Energy Progress			10		12
Duke Energy Florida(c)			43		47
Duke Energy Indiana			8		8
Probable Insurance Recoveries(d)
Duke Energy(e)		$	649	$	781
Duke Energy Carolinas(e)			649		781
(a)	Classified in the respective Consolidated Balance Sheets in Other within Deferred Credits and Other Liabilities and Other within Current Liabilities.
(b)	Includes reserves for asbestos-related injuries and damages claims.
(c)	Includes workers' compensation claims.
(d)	Classified in the respective Consolidated Balance Sheets in Other within Investments and Other Assets and Receivables.
(e)	Relates to recoveries associated with asbestos-related injuries and damages claims.

Schedule of Rent Expense

	Years Ended December 31,
(in millions)	2013		2012			2011
Duke Energy	$	321		$	232		$	104
Duke Energy Carolinas		39			38			43
Progress Energy		225			232			104
Duke Energy Progress		153			164			88
Duke Energy Florida		72			68			15
Duke Energy Ohio		14			14			19
Duke Energy Indiana		22			20			24

Schedule of Future Minimum Rental Payments for Operating Leases

The following table presents future minimum lease payments under operating leases, which at inception had a non-cancelable term of more than one year.
	December 31, 2013
(in millions)	Duke Energy		Duke Energy Carolinas		Progress Energy		Duke Energy Progress		Duke Energy Florida		Duke Energy Ohio		Duke Energy Indiana
2014	$	175	$	34	$	93	$	55	$	39	$	12	$	18
2015		159		29		89		51		39		11		15
2016		147		24		90		51		39		8		12
2017		137		20		89		50		39		7		9
2018		117		15		78		40		38		5		7
Thereafter		1,034		67		773		459		314		18		8
Total	$	1,769	$	189	$	1,212	$	706	$	508	$	61	$	69

Schedule of Future Minimum Lease Payments for Capital Leases

The following table presents future minimum lease payments under capital leases.
	December 31, 2013
(in millions)	Duke Energy		Duke Energy Carolinas		Progress Energy		Duke Energy Progress		Duke Energy Florida		Duke Energy Ohio		Duke Energy Indiana
2014	$	171	$	6	$	47	$	20	$	26	$	9	$	5
2015		167		6		47		20		27		7		4
2016		169		6		47		21		26		6		4
2017		166		6		46		21		26		3		2
2018		176		6		45		21		25		3		2
Thereafter		1,453		25		475		261		213		2		28
Minimum annual payments		2,302		55		707		364		343		30		45
Less amount representing interest		(786)		(27)		(454)		(275)		(179)		(3)		(30)
Total	$	1,516	$	28	$	253	$	89	$	164	$	27	$	15

Duke Energy Progress [Member]

Valuation and Qualifying Accounts Disclosure [Line Items]

Schedule of Purchase Obligations

				Minimum Purchase Amount at December 31, 2013
(in millions)		Contract Expiration	2014		2015		2016		2017		2018		Thereafter		Total
Duke Energy Progress(a)		2019-2022	$	36		36	$	36	$	37	$	37	$	69	$	251
Duke Energy Florida(b)		2014-2025		288		295		295		288		303		2,139		3,608
Duke Energy Ohio(c)		2014-2015		250		97		―		―		―		―		347
(a)	Contracts represent 100 percent of net plant output.
(b)	Contracts represent between 2 percent and 100 percent of net plant output.
(c)	Contracts represent between 1 percent and 24 percent of net plant output.

Duke Energy Florida [Member]

Valuation and Qualifying Accounts Disclosure [Line Items]

Schedule of Purchase Obligations

				Minimum Purchase Amount at December 31, 2013
(in millions)		Contract Expiration	2014		2015		2016		2017		2018		Thereafter		Total
Duke Energy Progress(a)		2019-2022	$	36		36	$	36	$	37	$	37	$	69	$	251
Duke Energy Florida(b)		2014-2025		288		295		295		288		303		2,139		3,608
Duke Energy Ohio(c)		2014-2015		250		97		―		―		―		―		347
(a)	Contracts represent 100 percent of net plant output.
(b)	Contracts represent between 2 percent and 100 percent of net plant output.
(c)	Contracts represent between 1 percent and 24 percent of net plant output.

Duke Energy Ohio [Member]

Valuation and Qualifying Accounts Disclosure [Line Items]

Schedule of Purchase Obligations

				Minimum Purchase Amount at December 31, 2013
(in millions)		Contract Expiration	2014		2015		2016		2017		2018		Thereafter		Total
Duke Energy Progress(a)		2019-2022	$	36		36	$	36	$	37	$	37	$	69	$	251
Duke Energy Florida(b)		2014-2025		288		295		295		288		303		2,139		3,608
Duke Energy Ohio(c)		2014-2015		250		97		―		―		―		―		347
(a)	Contracts represent 100 percent of net plant output.
(b)	Contracts represent between 2 percent and 100 percent of net plant output.
(c)	Contracts represent between 1 percent and 24 percent of net plant output.