Business Segments (Tables)

3 Months Ended

Mar. 31, 2014

Mar. 31, 2013

Segment Reporting Information [Line Items]

Business Segment Data

		Three Months Ended March 31, 2014
(in millions)		Regulated Utilities		International Energy		Commercial Power		Total Reportable Segments		Other		Eliminations		Consolidated
Unaffiliated revenues		$	5,795	$	382	$	442	$	6,619	$	5	$	―	$	6,624
Intersegment revenues			10		―		7		17		20		(37)		―
	Total revenues	$	5,805	$	382	$	449	$	6,636	$	25	$	(37)	$	6,624
Segment income (loss)(a)(b)		$	737	$	130	$	(879)	$	(12)	$	(82)	$	―	$	(94)
Add back noncontrolling interests component															4
Loss from discontinued operations, net of tax															(3)
Net loss														$	(93)
Segment assets(a)		$	100,097	$	5,064	$	5,666	$	110,827	$	2,789	$	176	$	113,792
(a)	Commercial Power includes the impairment charge related to the planned disposition of the Midwest Generation business. See Note 2 for additional information.
(b)	Other includes after-tax costs to achieve the Progress Energy merger.

		Three Months Ended March 31, 2013
(in millions)		Regulated Utilities		International Energy		Commercial Power		Total Reportable Segments		Other		Eliminations		Consolidated
Unaffiliated revenues		$	5,052	$	392	$	439	$	5,883	$	15	$	―	$	5,898
Intersegment revenues			8		―		13		21		20		(41)		―
	Total revenues	$	5,060	$	392	$	452	$	5,904	$	35	$	(41)	$	5,898
Segment income (loss) / Consolidated net income(a)		$	656	$	97	$	(42)	$	711	$	(77)	$	―	$	634
(a)	Other includes after-tax costs to achieve the Progress Energy merger.

Schedule of Net Loss for Other Segment

	Three Months Ended March 31,
(in millions)	2014		2013
Duke Energy Carolinas	$	(21)	$	(19)
Progress Energy		(52)		(79)
Duke Energy Progress		(10)		(7)
Duke Energy Florida		(4)		(5)
Duke Energy Indiana		(3)		(4)

Duke Energy Ohio [Member]

Segment Reporting Information [Line Items]

Business Segment Data

		Three Months Ended March 31, 2014
(in millions)		Regulated Utilities		Commercial Power		Total Reportable Segments		Other		Eliminations		Consolidated
Unaffiliated revenues(a)		$	562	$	201	$	763	$	―	$	―	$	763
Intersegment revenues			―		7		7		―		(7)		―
	Total revenues	$	562	$	208	$	770	$	―	$	(7)	$	763
Segment income (loss) / Consolidated net loss(a)(b)		$	64	$	(951)	$	(887)	$	(3)	$	―	$	(890)
Segment assets(b)		$	6,736	$	2,858	$	9,594	$	102	$	(161)	$	9,535
(a)	In May 2013, Duke Energy Ohio implemented revised customer rates approved by the PUCO. This increase impacts Regulated Utilities. See Note 4 for additional information about the revised customer rates.
(b)	Commercial Power includes the impairment charge related to the planned disposition of the Midwest Generation business. See Note 2 for additional information.

		Three Months Ended March 31, 2013
(in millions)		Regulated Utilities		Commercial Power		Total Reportable Segments		Other		Eliminations		Consolidated
Unaffiliated revenues		$	492	$	255	$	747	$	―	$	―	$	747
Intersegment revenues			―		11		11		―		(11)		―
	Total revenues	$	492	$	266	$	758	$	―	$	(11)	$	747
Segment income (loss) / Consolidated net loss		$	53	$	(67)	$	(14)	$	(7)	$	―	$	(21)