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Revenue Recognition | 3 Months Ended
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Mar. 31, 2019
Revenue from Contract with Customer [Abstract] |
Revenue Recognition | Revenue Recognition Performance Obligations As of March 31, 2019, estimated future fixed fee performance obligations are $500 million, $500 million, $535 million, $284 million and $29 million for fiscal years 2019, 2020, 2021, 2022 and 2023, respectively. These performance obligations are for cleared auction MWs in the PJM, ISO-NE, NYISO and MISO capacity auctions and are subject to penalties for non performance. Disaggregated Revenues The following table represents the Company’s disaggregation of revenue from contracts with customers for the three months ended March 31, 2019 and March 31, 2018, along with the reportable segment for each category:
| Three months ended March 31, 2019
|  |  | Generation |  |  |  |
(In millions) | Retail |  | Texas |  | East/West/Other |  | Subtotal |  | Corporate/Eliminations |  | Total
Energy revenue(a)(b) | $ | — |  |  | $ | 358 |  |  | $ | 224 |  |  | $ | 582 |  |  | $ | (276 | ) |  | $ | 306 |
Capacity revenue(a) | — |  |  | — |  |  | 155 |  |  | 155 |  |  | (1 | ) |  | 154 |
Retail revenue |  |  |  |  |  |  |  |  |  |  |
Mass customers | 1,321 |  |  | — |  |  | — |  |  | — |  |  | (1 | ) |  | 1,320 |
Business Solutions customers | 286 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 286 |
Total retail revenue | 1,607 |  |  | — |  |  | — |  |  | — |  |  | (1 | ) |  | 1,606 |
Mark-to-market for economic hedging activities(b)(c) | — |  |  | 13 |  |  | (8 | ) |  | 5 |  |  | 15 |  |  | 20 |
Other revenues(a) | — |  |  | 29 |  |  | 52 |  |  | 81 |  |  | (2 | ) |  | 79 |
Total operating revenue | 1,607 |  |  | 400 |  |  | 423 |  |  | 823 |  |  | (265 | ) |  | 2,165 |
Less: Lease revenue | 3 |  |  | — |  |  | 2 |  |  | 2 |  |  | — |  |  | 5 |
Less: Realized and unrealized ASC 815 revenue(b) | — |  |  | 546 |  |  | 97 |  |  | 643 |  |  | (262 | ) |  | 381 |
Total revenue from contracts with customers | $ | 1,604 |  |  | $ | (146 | ) |  | $ | 324 |  |  | $ | 178 |  |  | $ | (3 | ) |  | $ | 1,779 |
(a) The following amounts of energy and capacity revenue primarily relate to derivative instruments and are accounted for under ASC 815
| Retail |  | Texas |  | East/West/Other |  | Subtotal |  | Corporate/Eliminations |  | Total
Energy revenue | $ | — |  |  | $ | 525 |  |  | $ | 88 |  |  | $ | 613 |  |  | $ | (277 | ) |  | $ | 336 |
Capacity revenue | — |  |  | — |  |  | 18 |  |  | 18 |  |  | — |  |  | 18 |
Other revenue | — |  |  | 8 |  |  | (1 | ) |  | 7 |  |  | — |  |  | 7 |
(b) Generation includes higher revenues due to the Company's large internal transfer of power based on average annualized market prices, which are offset by higher cost of operations within Retail (c) Revenue relates entirely to unrealized gains and losses on derivative instruments accounted for under ASC 815
| Three months ended March 31, 2018
|  |  | Generation |  |  |  |
(In millions) | Retail |  | Texas |  | East/West/Other |  | Subtotal |  | Corporate/Eliminations |  | Total
Energy revenue(a)(b) | $ | — |  |  | $ | 265 |  |  | $ | 339 |  |  | $ | 604 |  |  | $ | (161 | ) |  | $ | 443 |
Capacity revenue(a) | — |  |  | — |  |  | 142 |  |  | 142 |  |  | — |  |  | 142 |
Retail revenue |  |  |  |  |  |  |  |  |  |  |
Mass customers | 1,176 |  |  | — |  |  | — |  |  | — |  |  | (1 | ) |  | 1,175 |
Business Solutions customers | 310 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 310 |
Total retail revenue | 1,486 |  |  | — |  |  | — |  |  | — |  |  | (1 | ) |  | 1,485 |
Mark-to-market for economic hedging activities(b)(c) | (6 | ) |  | (569 | ) |  | (5 | ) |  | (574 | ) |  | 484 |  |  | (96 | )
Other revenues(a) | — |  |  | 53 |  |  | 45 |  |  | 98 |  |  | (7 | ) |  | 91 |
Total operating revenue | 1,480 |  |  | (251 | ) |  | 521 |  |  | 270 |  |  | 315 |  |  | 2,065 |
Less: Lease revenue | 3 |  |  | — |  |  | 2 |  |  | 2 |  |  | — |  |  | 5 |
Less: Realized and unrealized ASC 815 revenue(b) | (6 | ) |  | (150 | ) |  | 85 |  |  | (65 | ) |  | 327 |  |  | 256 |
Total revenue from contracts with customers | $ | 1,483 |  |  | $ | (101 | ) |  | $ | 434 |  |  | $ | 333 |  |  | $ | (12 | ) |  | $ | 1,804 |
(a) The following amounts of energy and capacity revenue relate to derivative instruments and are accounted for under ASC 815
| Retail |  | Texas |  | East/West/Other |  | Subtotal |  | Corporate/Eliminations |  | Total
Energy revenue | $ | — |  |  | $ | 413 |  |  | $ | 60 |  |  | $ | 473 |  |  | $ | (157 | ) |  | $ | 316 |
Capacity revenue | — |  |  | — |  |  | 26 |  |  | 26 |  |  | — |  |  | 26 |
Other revenue | — |  |  | 5 |  |  | 3 |  |  | 8 |  |  | — |  |  | 8 |
(b) Generation includes higher revenues due to the Company's large internal transfer of power based on average annualized market prices, which are offset by higher cost of operations within Retail (c) Revenue relates entirely to unrealized gains and losses on derivative instruments accounted for under ASC 815 Contract Balances The following table reflects the contract assets and liabilities included in the Company’s balance sheet as of March 31, 2019 and December 31, 2018:
(In millions) | March 31, 2019 |  | December 31, 2018
Deferred customer acquisition costs | $ | 117 |  |  | $ | 111 |
Accounts receivable, net - Contracts with customers | 870 |  |  | 999 |
Accounts receivable, net - Derivative instruments | 22 |  |  | 20 |
Accounts receivable, net - Affiliate | 6 |  |  | 5 |
Total accounts receivable, net | $ | 898 |  |  | $ | 1,024 |
Unbilled revenues (included within Accounts receivable, net - Contracts with customers) | $ | 305 |  |  | $ | 392 |
Deferred revenues | 80 |  |  | 67 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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