Commitments and Contingencies (Table)

12 Months Ended

Dec. 31, 2014

Valuation and Qualifying Accounts Disclosure [Line Items]

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	$	89
Duke Energy Carolinas	25
Progress Energy	15
Duke Energy Progress	1
Duke Energy Florida	14
Duke Energy Ohio	42
Duke Energy Indiana	7

Schedule of Loss Contingencies

The table below presents recorded reserves based on management’s best estimate of probable loss for legal matters discussed above, excluding asbestos related reserves. Reserves are classified on the Consolidated Balance Sheets in Other within Deferred Credits and Other Liabilities and Accounts payable and Other within Current Liabilities. The reasonably possible range of loss for all non-asbestos related matters in excess of recorded reserves is not material.

	December 31,
(in millions)	2014		2013
Reserves for Legal Matters
Duke Energy	$	323	$	204
Duke Energy Carolinas	72		—
Progress Energy	93		78
Duke Energy Progress	37		10
Duke Energy Florida	36		43

Schedule of Purchase Obligations

The following table presents executory purchased power contracts, excluding contracts classified as leases. All contracts represent 100 percent of net plant output.

		Minimum Purchase Amount at December 31, 2014
(in millions)	Contract Expiration	2015		2016	2017		2018		2019		Thereafter		Total
Duke Energy Progress	2019-2022	$	59	60	$	61	$	62	$	63	$	93	$	398
Duke Energy Florida	2023-2043	244		273	291		306		322		1,907		3,343

Schedule of Rent Expense

The following table presents rental expense for operating leases. These amounts are included in Operation, maintenance and other on the Consolidated Statements of Operations.

	Years Ended December 31,
(in millions)	2014		2013		2012
Duke Energy	$	355	$	321	$	232
Duke Energy Carolinas	41		39		38
Progress Energy	257		225		232
Duke Energy Progress	161		153		164
Duke Energy Florida	96		72		68
Duke Energy Ohio	17		14		14
Duke Energy Indiana	21		22		20

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, 2014
(in millions)	Duke Energy		Duke Energy Carolinas		Progress Energy		Duke Energy Progress		Duke Energy Florida		Duke Energy Ohio		Duke Energy Indiana
2015	$	205	$	33	$	129	$	65	$	64	$	12	$	17
2016	198		29		130		66		64		11		15
2017	172		26		111		65		46		9		13
2018	157		20		109		64		45		7		10
2019	148		17		103		58		45		6		9
Thereafter	938		64		709		421		288		18		9
Total	$	1,818	$	189	$	1,291	$	739	$	552	$	63	$	73

Schedule of Future Minimum Lease Payments for Capital Leases

The following table presents future minimum lease payments under capital leases.

	December 31, 2014
(in millions)	Duke Energy			Duke Energy Carolinas			Progress Energy			Duke Energy Progress			Duke Energy Florida			Duke Energy Ohio			Duke Energy Indiana
2015	$	178		$	6		$	46		$	21		$	26		$	7		$	4
2016	188			6			47			21			26			7			4
2017	190			7			47			21			26			3			2
2018	198			7			48			22			26			4			2
2019	208			8			51			25			26			2			2
Thereafter	1,771			60			678			398			280			—			42
Minimum annual payments	2,733			94			917			508			410			23			56
Less: amount representing interest	(1,305		)	(67		)	(603		)	(361		)	(242		)	(3		)	(39		)
Total	$	1,428		$	27		$	314		$	147		$	168		$	20		$	17

Reserve for Environmental Costs [Member]

Valuation and Qualifying Accounts Disclosure [Line Items]

Schedule of Loss Contingencies

The following table contains information regarding reserves for probable and estimable costs related to the various environmental sites. These reserves are recorded in Other within Deferred Credits and Other Liabilities on the Consolidated Balance Sheets.

(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, 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
Provisions / adjustments	32		(1	)	1		4		(3	)	28		4
Cash reductions	(14	)	—		(11	)	(7	)	(4	)	(1	)	(1	)
Balance at December 31, 2014	97		10		17		5		12		54		10