Revenue (Tables)

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction

Supplemental requirements contracts that include contracted blocks of energy and capacity at contractually fixed prices have the following estimated remaining performance obligations:

	Remaining Performance Obligations
(in millions)	2019		2020		2021		2022		2023		Thereafter		Total
Progress Energy	$	31	$	121	$	86	$	81	$	38	$	41	$	398
Duke Energy Progress	2		8		8		8		8		8		42
Duke Energy Florida	29		113		78		73		30		33		356
Duke Energy Indiana	2		10		5		—		—		—		17

Estimated remaining performance obligations are as follows:

	Remaining Performance Obligations
(in millions)	2019		2020		2021		2022		2023		Thereafter		Total
Piedmont	$	17	$	69	$	64	$	64	$	61	$	430	$	705

Disaggregation of Revenue

Disaggregated revenues are presented as follows:

	Three Months Ended September 30, 2019
			Duke				Duke		Duke		Duke			Duke
(in millions)	Duke		Energy		Progress		Energy		Energy		Energy			Energy
By market or type of customer	Energy		Carolinas		Energy		Progress		Florida		Ohio			Indiana			Piedmont
Electric Utilities and Infrastructure
Residential	$	2,923	$	892	$	1,522	$	625	$	897	$	215		$	294		$	—
General	1,885		687		843		399		444		127			225			—
Industrial	869		372		255		189		66		40			204			—
Wholesale	617		113		429		368		61		13			63			—
Other revenues	198		76		118		70		48		18			22			—
Total Electric Utilities and Infrastructure revenue from contracts with customers	$	6,492	$	2,140	$	3,167	$	1,651	$	1,516	$	413		$	808		$	—
Gas Utilities and Infrastructure
Residential	$	113	$	—	$	—	$	—	$	—	$	53		$	—		$	59
Commercial	68		—		—		—		—		21			—			47
Industrial	26		—		—		—		—		4			—			25
Power Generation	—		—		—		—		—		—			—			13
Other revenues	16		—		—		—		—		3			—			13
Total Gas Utilities and Infrastructure revenue from contracts with customers	$	223	$	—	$	—	$	—	$	—	$	81		$	—		$	157
Commercial Renewables
Revenue from contracts with customers	$	69	$	—	$	—	$	—	$	—	$	—		$	—		$	—
Other
Revenue from contracts with customers	$	8	$	—	$	—	$	—	$	—	$	—		$	—		$	—
Total revenue from contracts with customers	$	6,792	$	2,140	$	3,167	$	1,651	$	1,516	$	494		$	808		$	157
Other revenue sources(a)	$	148	$	22	$	75	$	37	$	32	$	(5	)	$	(1	)	$	11
Total revenues	$	6,940	$	2,162	$	3,242	$	1,688	$	1,548	$	489		$	807		$	168

(a) Other revenue sources include revenues from leases, derivatives and alternative revenue programs that are not considered revenues from contracts with customers. Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over or under collection of related revenues.

	Three Months Ended September 30, 2018
			Duke				Duke		Duke		Duke		Duke
(in millions)	Duke		Energy		Progress		Energy		Energy		Energy		Energy
By market or type of customer	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Electric Utilities and Infrastructure
Residential	$	2,729	$	823	$	1,425	$	572	$	853	$	203	$	279	$	—
General	1,763		635		800		373		427		112		218		—
Industrial	835		352		246		177		69		33		202		—
Wholesale	589		132		372		335		37		3		81		—
Other revenues	225		109		134		90		44		20		29		—
Total Electric Utilities and Infrastructure revenue from contracts with customers	$	6,141	$	2,051	$	2,977	$	1,547	$	1,430	$	371	$	809	$	—
Gas Utilities and Infrastructure
Residential	$	116	$	—	$	—	$	—	$	—	$	59	$	—	$	57
Commercial	66		—		—		—		—		20		—		46
Industrial	28		—		—		—		—		3		—		24
Power Generation	—		—		—		—		—		—		—		13
Other revenues	23		—		—		—		—		1		—		22
Total Gas Utilities and Infrastructure revenue from contracts with customers	$	233	$	—	$	—	$	—	$	—	$	83	$	—	$	162
Commercial Renewables
Revenue from contracts with customers	$	61	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Other
Revenue from contracts with customers	$	16	$	—	$	—	$	—	$	—	$	12	$	—	$	—
Total revenue from contracts with customers	$	6,451	$	2,051	$	2,977	$	1,547	$	1,430	$	466	$	809	$	162
Other revenue sources(a)	$	177	$	39	$	68	$	35	$	32	$	3	$	10	$	10
Total revenues	$	6,628	$	2,090	$	3,045	$	1,582	$	1,462	$	469	$	819	$	172

(a)

Other revenue sources include revenues from leases, derivatives and alternative revenue programs that are not considered revenues from contracts with customers. Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over or under collection of related revenues.

	Nine Months Ended September 30, 2019
			Duke				Duke		Duke		Duke			Duke
(in millions)	Duke		Energy		Progress		Energy		Energy		Energy			Energy
By market or type of customer	Energy		Carolinas		Energy		Progress		Florida		Ohio			Indiana		Piedmont
Electric Utilities and Infrastructure
Residential	$	7,597	$	2,331	$	3,879	$	1,657	$	2,222	$	563		$	825	$	—
General	4,896		1,714		2,225		1,044		1,181		335			619		—
Industrial	2,339		927		708		514		194		109			595		—
Wholesale	1,685		341		1,133		992		141		36			176		—
Other revenues	557		222		389		239		150		59			66		—
Total Electric Utilities and Infrastructure revenue from contracts with customers	$	17,074	$	5,535	$	8,334	$	4,446	$	3,888	$	1,102		$	2,281	$	—
Gas Utilities and Infrastructure
Residential	$	673	$	—	$	—	$	—	$	—	$	229		$	—	$	443
Commercial	359		—		—		—		—		96			—		263
Industrial	103		—		—		—		—		14			—		91
Power Generation	—		—		—		—		—		—			—		39
Other revenues	101		—		—		—		—		13			—		88
Total Gas Utilities and Infrastructure revenue from contracts with customers	$	1,236	$	—	$	—	$	—	$	—	$	352		$	—	$	924
Commercial Renewables
Revenue from contracts with customers	$	157	$	—	$	—	$	—	$	—	$	—		$	—	$	—
Other
Revenue from contracts with customers	$	18	$	—	$	—	$	—	$	—	$	—		$	—	$	—
Total Revenue from contracts with customers	$	18,485	$	5,535	$	8,334	$	4,446	$	3,888	$	1,454		$	2,281	$	924
Other revenue sources(a)	$	491	$	84	$	224	$	113	$	99	$	(1	)	$	8	$	32
Total revenues	$	18,976	$	5,619	$	8,558	$	4,559	$	3,987	$	1,453		$	2,289	$	956

(a) Other revenue sources include revenues from leases, derivatives and alternative revenue programs that are not considered revenues from contracts with customers. Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over or under collection of related revenues.

	Nine Months Ended September 30, 2018
			Duke				Duke		Duke		Duke		Duke
(in millions)	Duke		Energy		Progress		Energy		Energy		Energy		Energy
By market or type of customer	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Electric Utilities and Infrastructure
Residential	$	7,264	$	2,263	$	3,636	$	1,540	$	2,096	$	564	$	802	$	—
General	4,619		1,608		2,109		972		1,137		318		584		—
Industrial	2,235		893		678		481		197		96		567		—
Wholesale	1,737		366		1,140		1,019		121		5		226		—
Other revenues	558		261		359		222		137		57		66		—
Total Electric Utilities and Infrastructure revenue from contracts with customers	$	16,413	$	5,391	$	7,922	$	4,234	$	3,688	$	1,040	$	2,245	$	—
Gas Utilities and Infrastructure
Residential	$	682	$	—	$	—	$	—	$	—	$	236	$	—	$	446
Commercial	354		—		—		—		—		97		—		257
Industrial	107		—		—		—		—		13		—		93
Power Generation	—		—		—		—		—		—		—		40
Other revenues	101		—		—		—		—		13		—		88
Total Gas Utilities and Infrastructure revenue from contracts with customers	$	1,244	$	—	$	—	$	—	$	—	$	359	$	—	$	924
Commercial Renewables
Revenue from contracts with customers	$	141	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Other
Revenue from contracts with customers	$	47	$	—	$	—	$	—	$	—	$	36	$	—	$	—
Total Revenue from contracts with customers	$	17,845	$	5,391	$	7,922	$	4,234	$	3,688	$	1,435	$	2,245	$	924
Other revenue sources(a)	$	561	$	134	$	197	$	99	$	92	$	17	$	43	$	16
Total revenues	$	18,406	$	5,525	$	8,119	$	4,333	$	3,780	$	1,452	$	2,288	$	940

(a)

Other revenue sources include revenues from leases, derivatives and alternative revenue programs that are not considered revenues from contracts with customers. Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over or under collection of related revenues.

Schedule Of Unbilled Revenues With Restricted Receivables

Unbilled revenues are included within Receivables and Receivables of VIEs on the Condensed Consolidated Balance Sheets as shown in the following table.

(in millions)	September 30, 2019		December 31, 2018
Duke Energy	$	831	$	896
Duke Energy Carolinas	312		313
Progress Energy	265		244
Duke Energy Progress	141		148
Duke Energy Florida	124		96
Duke Energy Ohio	2		2
Duke Energy Indiana	19		23
Piedmont	2		73

These receivables for unbilled revenues are shown in the table below.

(in millions)	September 30, 2019		December 31, 2018
Duke Energy Ohio	$	74	$	86
Duke Energy Indiana	124		128