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Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

The following tables represent the Company’s disaggregation of revenue from contracts with customers for the years ended December 31, 2019 and 2018:

			For the Year Ended December 31, 2019
									Generation
(In millions)			Retail						Texas						East/West/Other												Subtotal						Corporate/Eliminations						Total
Energy revenue(a)			$	—					$	1,987					$	733											$	2,720					$	(1,498)					$	1,222
Capacity revenue(a)			—						—						606												606						1						607
Retail revenue
Mass market			6,277						—						—												—						(4)						6,273
Business Solutions			1,403						—						—												—						—						1,403
Total retail revenue			7,680						—						—												—						(4)						7,676
Mark-to-market for economic hedging activities(b)			—						198						36												234						(201)						33
Other revenue(a)			—						90						197												287						(4)						283
Total operating revenue			7,680						2,275						1,572												3,847						(1,706)						9,821
Less: Lease revenue			12						—						8												8						—						20
Less: Realized and unrealized ASC 815 revenue			—						3,145						364												3,509						(1,699)						1,810
Total revenue from contracts with customers			$	7,668					$	(870)					$	1,200											$	330					$	(7)					$	7,991
(a) The following amounts of energy, capacity and other revenue relate to derivative instruments and are accounted for under ASC 815:
(In millions)			Retail						Texas						East/West/Other												Subtotal						Corporate/Eliminations						Total
Energy revenue			$	—					$	2,917					$	231											$	3,148					$	(1,499)					$	1,649
Capacity revenue			—						—						107												107						1						108
Other revenue			—						30						(10)												20						(1)						19
(b) Revenue relates entirely to unrealized gains and losses on derivative instruments accounted for under ASC 815

			For the Year Ended December 31, 2018
									Generation
(In millions)			Retail						Texas						East/West/Other												Subtotal						Corporate/Eliminations						Total
Energy revenue(a)			$	—					$	1,585					$	1,092											$	2,677					$	(1,129)					$	1,548
Capacity revenue(a)			—						1						669												670						—						670
Retail revenue
Mass market			5,618						—						—												—						(5)						5,613
Business Solutions			1,492						—						—												—						—						1,492
Total retail revenue			7,110						—						—												—						(5)						7,105
Mark-to-market for economic hedging activities(b)			(7)						(174)						(28)												(202)						79						(130)
Other revenue(a)(c)			—						84						214												298						(13)						285
Total operating revenue			7,103						1,496						1,947												3,443						(1,068)						9,478
Less: Lease revenue			13						—						8												8						—						21
Less: Realized and unrealized ASC 815 revenue			(7)						2,160						193												2,353						(1,037)						1,309
Total revenue from contracts with customers			$	7,097					$	(664)					$	1,746											$	1,082					$	(31)					$	8,148
(a) The following amounts of energy, capacity and other revenue relate to derivative instruments and are accounted for under ASC 815:
(In millions)			Retail						Texas						East/West/Other												Subtotal						Corporate/Eliminations						Total
Energy revenue			$	—					$	2,332					$	69											$	2,401					$	(1,117)					$	1,284
Capacity revenue			—						—						138												138						—						138
Other revenue			—						2						14												16						—						16

(b) Revenue relates entirely to unrealized gains and losses on derivative instruments accounted for under ASC 815

(c) Included in other revenue is lease revenue of $17 million and $5 million for Retail and East/West/Other, respectively

Contract assets and liabilities

The following table reflects the contract assets and liabilities included in the Company's balance sheet as of December 31, 2019 and 2018:

(In millions)						December 31, 2019						December 31, 2018
Deferred customer acquisition costs						$	133					$	111
Accounts receivable, net - Contracts with customers						1,002						999
Accounts receivable, net - Derivative instruments						18						20
Accounts receivable, net - Affiliate						5						5
Total accounts receivable, net						$	1,025					$	1,024
Unbilled revenues (included within Accounts receivable, net - Contracts with customers)						$	402					$	392
Deferred revenues (a)						$	82					$	67

(a) Deferred revenues from contracts with customers for the years ended December 31, 2019 and 2018 were approximately $24 million and $19 million, respectively.

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- Definition

Tabular disclosure of contract balances and changes in contract balances.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045

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X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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- References

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