Business Segments (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting Information [Line Items]

Business Segment Data

Business segment information is presented in the following tables. Segment assets presented exclude intercompany assets.

	Three Months Ended March 31, 2019
	Electric		Gas				Total
	Utilities and		Utilities and		Commercial		Reportable
(in millions)	Infrastructure		Infrastructure		Renewables		Segments		Other			Eliminations			Total
Unaffiliated revenues	$	5,321	$	732	$	106	$	6,159	$	4		$	—		$	6,163
Intersegment revenues	8		24		—		32		17			(49		)	—
Total revenues	$	5,329	$	756	$	106	$	6,191	$	21		$	(49	)	$	6,163
Segment income (loss)	$	750	$	226	$	13	$	989	$	(89	)	$	—		$	900
Add back noncontrolling interest component															(7		)
Net income															$	893
Segment assets	$	130,406	$	12,639	$	4,378	$	147,423	$	3,536		$	177		$	151,136

	Three Months Ended March 31, 2018
	Electric		Gas				Total
	Utilities and		Utilities and		Commercial		Reportable
(in millions)	Infrastructure		Infrastructure		Renewables		Segments		Other			Eliminations			Total
Unaffiliated revenues	$	5,315	$	702	$	101	$	6,118	$	17		$	—		$	6,135
Intersegment revenues	8		25		—		33		18			(51		)	—
Total revenues	$	5,323	$	727	$	101	$	6,151	$	35		$	(51	)	$	6,135
Segment income (loss)(a)(b)(c)	$	750	$	116	$	20	$	886	$	(266	)	$	—		$	620
Add back noncontrolling interest component															2
Net income															$	622

(a) Electric Utilities and Infrastructure includes regulatory and legislative impairment charges related to rate case orders, settlements or other actions of regulators or legislative bodies. See Note 3 for additional information.

(b) Gas Utilities and Infrastructure includes an impairment of the investment in Constitution. See Note 3 for additional information.

(c) Other includes the loss on the sale of Beckjord described below, costs to achieve the Piedmont acquisition and a valuation allowance recorded against the AMT credits.

Duke Energy Ohio [Member]

Segment Reporting Information [Line Items]

Business Segment Data

	Three Months Ended March 31, 2019
	Electric		Gas		Total
	Utilities and		Utilities and		Reportable
(in millions)	Infrastructure		Infrastructure		Segments		Other			Eliminations			Total
Total revenues	$	355	$	176	$	531	$	—		$	—		$	531
Segment income/Net (loss) income	$	36	$	35	$	71	$	(2	)	$	—		$	69
Segment assets	$	6,058	$	3,051	$	9,109	$	37		$	(2	)	$	9,144

	Three Months Ended March 31, 2018
	Electric		Gas		Total
	Utilities and		Utilities and		Reportable
(in millions)	Infrastructure		Infrastructure		Segments		Other			Total
Total revenues	$	336	$	174	$	510	$	14		$	524
Segment income/Net loss(a)	$	33	$	34	$	67	$	(92	)	$	(25	)

(a) Other includes the loss on the sale of Beckjord described above.