Business Segments (Tables)

3 Months Ended

Mar. 31, 2021

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, 2021
	Electric		Gas				Total
	Utilities and		Utilities and		Commercial		Reportable
(in millions)	Infrastructure		Infrastructure		Renewables		Segments		Other		Eliminations		Total
Unaffiliated revenues	$	5,273	$	752	$	119	$	6,144	$	6	$	—	$	6,150
Intersegment revenues	8		23		—		31		20		(51)		—
Total revenues	$	5,281	$	775	$	119	$	6,175	$	26	$	(51)	$	6,150
Segment income (loss)(a)	$	820	$	245	$	27	$	1,092	$	(139)	$	—	$	953
Less: Noncontrolling interests													51
Add: Preferred stock dividend													39
Net Income													$	941
Segment assets	$	138,734	$	14,139	$	6,894	$	159,767	$	3,710	$	(12)	$	163,465

	Three Months Ended March 31, 2020
	Electric		Gas				Total
	Utilities and		Utilities and		Commercial		Reportable
(in millions)	Infrastructure		Infrastructure		Renewables		Segments		Other		Eliminations		Total
Unaffiliated revenues	$	5,174	$	640	$	129	$	5,943	$	6	$	—	$	5,949
Intersegment revenues	9		24		—		33		17		(50)		—
Total revenues	$	5,183	$	664	$	129	$	5,976	$	23	$	(50)	$	5,949
Segment income (loss)(b)	$	705	$	249	$	57	$	1,011	$	(112)	$	—	$	899
Less: Noncontrolling interests													48
Add: Preferred stock dividend													39
Net Income													$	890

(a)    Commercial Renewables includes a $35 million loss related to Texas Storm Uri, of which $8 million is recorded within Nonregulated electric and other revenues, $2 million within Operations, maintenance and other, $29 million within Equity in (losses) earnings of unconsolidated affiliates and $12 million within Loss Attributable to Noncontrolling Interests on the Condensed Consolidated Statements of Operations. See Note 4 for additional information. Gas Utilities and Infrastructure includes $6 million, recorded within Equity in (losses) earnings of unconsolidated affiliates on the Condensed Consolidated Statements of Operations, related to gas pipeline investments. See Note 3 for additional information.

(b)    Other includes a $98 million reversal, recorded within Operations, maintenance and other on the Condensed Consolidated Statements of Operations, related to 2018 severance costs due to the partial settlement of the Duke Energy Carolinas 2019 North Carolina rate case. See Note 3 for additional information.

Duke Energy Ohio

Segment Reporting Information [Line Items]

Business Segment Data

	Three Months Ended March 31, 2021
	Electric		Gas		Total
	Utilities and		Utilities and		Reportable
(in millions)	Infrastructure		Infrastructure		Segments		Other		Eliminations		Total
Total revenues	$	363	$	169	$	532	$	—	$	—	$	532
Segment income/Net income	$	50	$	43	$	93	$	(2)	$	—	$	91
Segment assets	$	6,544	$	3,575	$	10,119	$	29	$	(7)	$	10,141

	Three Months Ended March 31, 2020
	Electric		Gas		Total
	Utilities and		Utilities and		Reportable
(in millions)	Infrastructure		Infrastructure		Segments		Other		Total
Total revenues	$	346	$	152	$	498	$	—	$	498
Segment income/Net income	$	30	$	36	$	66	$	(1)	$	65