Revenue (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction

Estimated remaining performance obligations are as follows:

	Remaining Performance Obligations
(in millions)	2020		2021		2022		2023		2024		Thereafter		Total
Piedmont	$	34	$	65	$	64	$	61	$	58	$	376	$	658

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)	2020		2021		2022		2023		2024		Thereafter		Total
Progress Energy	$	58	$	92	$	94	$	44	$	45	$	58	$	391
Duke Energy Progress	4		8		8		8		8		—		36
Duke Energy Florida	54		84		86		36		37		58		355
Duke Energy Indiana	5		5		—		—		—		—		10

Disaggregation of Revenue

Disaggregated revenues are presented as follows:

	Three Months Ended June 30, 2020
			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	$	2,249	$	677	$	1,173	$	460	$	713	$	169	$	231	$	—
General	1,379		507		611		298		313		103		161		—
Industrial	658		260		212		154		58		33		152		—
Wholesale	435		101		285		240		45		5		44		—
Other revenues	284		62		191		70		121		19		25		—
Total Electric Utilities and Infrastructure revenue from contracts with customers	$	5,005	$	1,607	$	2,472	$	1,222	$	1,250	$	329	$	613	$	—
Gas Utilities and Infrastructure
Residential	$	157	$	—	$	—	$	—	$	—	$	62	$	—	$	96
Commercial	75		—		—		—		—		23		—		52
Industrial	27		—		—		—		—		3		—		22
Power Generation	—		—		—		—		—		—		—		6
Other revenues	12		—		—		—		—		3		—		11
Total Gas Utilities and Infrastructure revenue from contracts with customers	$	271	$	—	$	—	$	—	$	—	$	91	$	—	$	187
Commercial Renewables
Revenue from contracts with customers	$	55	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Other
Revenue from contracts with customers	$	7	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Total revenue from contracts with customers	$	5,338	$	1,607	$	2,472	$	1,222	$	1,250	$	420	$	613	$	187
Other revenue sources(a)	$	83	$	3	$	26	$	21	$	—	$	3	$	4	$	10
Total revenues	$	5,421	$	1,610	$	2,498	$	1,243	$	1,250	$	423	$	617	$	197

(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 June 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	$	2,304	$	679	$	1,243	$	496	$	747	$	159	$	225	$	—
General	1,584		531		750		339		411		105		197		—
Industrial	759		289		231		164		67		36		201		—
Wholesale	527		109		351		309		42		9		59		—
Other revenues	187		68		99		44		55		25		27		—
Total Electric Utilities and Infrastructure revenue from contracts with customers	$	5,361	$	1,676	$	2,674	$	1,352	$	1,322	$	334	$	709	$	—
Gas Utilities and Infrastructure
Residential	$	146	$	—	$	—	$	—	$	—	$	64	$	—	$	82
Commercial	85		—		—		—		—		26		—		59
Industrial	29		—		—		—		—		3		—		24
Power Generation	—		—		—		—		—		—		—		13
Other revenues	22		—		—		—		—		2		—		19
Total Gas Utilities and Infrastructure revenue from contracts with customers	$	282	$	—	$	—	$	—	$	—	$	95	$	—	$	197
Commercial Renewables
Revenue from contracts with customers	$	46	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Other
Revenue from contracts with customers	$	6	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Total revenue from contracts with customers	$	5,695	$	1,676	$	2,674	$	1,352	$	1,322	$	429	$	709	$	197
Other revenue sources(a)	$	178	$	37	$	70	$	35	$	31	$	4	$	5	$	12
Total revenues	$	5,873	$	1,713	$	2,744	$	1,387	$	1,353	$	433	$	714	$	209

(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.

	Six Months Ended June 30, 2020
			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	$	4,515	$	1,433	$	2,242	$	962	$	1,280	$	345		$	496	$	—
General	2,887		1,056		1,275		617		658		217			342		—
Industrial	1,351		529		428		308		120		68			327		—
Wholesale	932		215		606		519		87		12			99		—
Other revenues	475		122		309		133		176		39			41		—
Total Electric Utilities and Infrastructure revenue from contracts with customers	$	10,160	$	3,355	$	4,860	$	2,539	$	2,321	$	681		$	1,305	$	—
Gas Utilities and Infrastructure
Residential	$	519	$	—	$	—	$	—	$	—	$	159		$	—	$	360
Commercial	244		—		—		—		—		66			—		178
Industrial	68		—		—		—		—		9			—		58
Power Generation	—		—		—		—		—		—			—		17
Other revenues	42		—		—		—		—		9			—		35
Total Gas Utilities and Infrastructure revenue from contracts with customers	$	873	$	—	$	—	$	—	$	—	$	243		$	—	$	648
Commercial Renewables
Revenue from contracts with customers	$	113	$	—	$	—	$	—	$	—	$	—		$	—	$	—
Other
Revenue from contracts with customers	$	13	$	—	$	—	$	—	$	—	$	—		$	—	$	—
Total Revenue from contracts with customers	$	11,159	$	3,355	$	4,860	$	2,539	$	2,321	$	924		$	1,305	$	648
Other revenue sources(a)	$	211	$	3	$	60	$	42	$	9	$	(3	)	$	4	$	61
Total revenues	$	11,370	$	3,358	$	4,920	$	2,581	$	2,330	$	921		$	1,309	$	709

(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.

	Six Months Ended June 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	$	4,674	$	1,439	$	2,357	$	1,032	$	1,325	$	348	$	531	$	—
General	3,011		1,027		1,382		645		737		208		394		—
Industrial	1,470		555		453		325		128		69		391		—
Wholesale	1,068		228		704		624		80		23		113		—
Other revenues	359		146		271		169		102		41		44		—
Total Electric Utilities and Infrastructure revenue from contracts with customers	$	10,582	$	3,395	$	5,167	$	2,795	$	2,372	$	689	$	1,473	$	—
Gas Utilities and Infrastructure
Residential	$	560	$	—	$	—	$	—	$	—	$	176	$	—	$	384
Commercial	291		—		—		—		—		75		—		216
Industrial	77		—		—		—		—		10		—		66
Power Generation	—		—		—		—		—		—		—		26
Other revenues	85		—		—		—		—		10		—		75
Total Gas Utilities and Infrastructure revenue from contracts with customers	$	1,013	$	—	$	—	$	—	$	—	$	271	$	—	$	767
Commercial Renewables
Revenue from contracts with customers	$	88	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Other
Revenue from contracts with customers	$	10	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Total Revenue from contracts with customers	$	11,693	$	3,395	$	5,167	$	2,795	$	2,372	$	960	$	1,473	$	767
Other revenue sources(a)	$	343	$	62	$	149	$	76	$	67	$	4	$	9	$	21
Total revenues	$	12,036	$	3,457	$	5,316	$	2,871	$	2,439	$	964	$	1,482	$	788

(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.

Reserve for Credit Losses for Trade and Other Receivables

As described in Note 1, Duke Energy adopted the new guidance for credit losses effective January 1, 2020, using the modified retrospective method of adoption, which does not require restatement of prior year reported results. The following table presents the reserve for credit losses for trade and other receivables based on adoption of the new standard.

	Three Months Ended June 30, 2020
				Duke						Duke			Duke		Duke		Duke
	Duke			Energy			Progress			Energy			Energy		Energy		Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida		Ohio		Indiana		Piedmont
Balance at March 31, 2020	$	89		$	11		$	20		$	9		$	11	$	5	$	3	$	9
Write-Offs	(9		)	(3		)	(3		)	(3		)	—		—		—		(4		)
Credit Loss Expense	15			6			12			8			3		—		—		1
Other Adjustments	7			—			—			—			—		—		—		—
Balance at June 30, 2020	$	102		$	14		$	29		$	14		$	14	$	5	$	3	$	6

	Six Months Ended June 30, 2020
				Duke						Duke			Duke			Duke		Duke
	Duke			Energy			Progress			Energy			Energy			Energy		Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio		Indiana		Piedmont
Balance at December 31, 2019	$	76		$	10		$	16		$	8		$	7		$	4	$	3	$	6
Cumulative Change in Accounting Principle	5			1			2			1			1			—		—		1
Write-Offs	(19		)	(6		)	(7		)	(5		)	(2		)	—		—		(5		)
Credit Loss Expense	33			9			18			10			8			1		—		4
Other Adjustments	7			—			—			—			—			—		—		—
Balance at June 30, 2020	$	102		$	14		$	29		$	14		$	14		$	5	$	3	$	6

Aging of Trade Receivables

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

(in millions)	June 30, 2020		December 31, 2019
Duke Energy Ohio	$	68	$	82
Duke Energy Indiana	106		115

The aging of trade receivables is presented in the table below. Duke Energy considers receivables greater than 30 days outstanding past due.

	June 30, 2020
			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Unbilled Receivables	$	829	$	332	$	274	$	137	$	137	$	1	$	7	$	6
0-30 days	1,624		470		685		336		344		48		28		73
30-60 days	152		49		56		28		28		6		1		6
60-90 days	90		29		34		17		17		4		1		5
90+ days	209		64		53		24		29		29		10		18
Trade and Other Receivables	$	2,904	$	944	$	1,102	$	542	$	555	$	88	$	47	$	108

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

(in millions)	June 30, 2020		December 31, 2019
Duke Energy	$	829	$	843
Duke Energy Carolinas	332		298
Progress Energy	274		217
Duke Energy Progress	137		122
Duke Energy Florida	137		95
Duke Energy Ohio	1		1
Duke Energy Indiana	7		16
Piedmont	6		78