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Revenue Recognition (Tables) | 6 Months Ended
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Jun. 30, 2020
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue from Contracts with Customer | Disaggregated Revenues The following tables represent the Company’s disaggregation of revenue from contracts with customers for the three and six months ended June 30, 2020 and 2019:
| Three months ended June 30, 2020 |  |  |  |  |  |  |  |
(In millions) | Texas |  | East |  | West/Other |  | Corporate/Eliminations |  | Total
Retail revenue: |  |  |  |  |  |  |  |  |
Mass Market | $ | 1,273 |  |  | $ | 291 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,564 |
Business Solutions | 248 |  |  | 20 |  |  | — |  |  | — |  |  | 268 |
Total retail revenue | 1,521 |  |  | 311 |  |  | — |  |  | — |  |  | 1,832 |
Energy revenue(a) | 5 |  |  | 19 |  |  | 60 |  |  | (1) |  |  | 83 |
Capacity revenue(a) | — |  |  | 179 |  |  | 16 |  |  | — |  |  | 195 |
Mark-to-market for economic hedging activities(b) | — |  |  | 40 |  |  | 1 |  |  | 2 |  |  | 43 |
Other revenue(a) | 52 |  |  | 17 |  |  | 17 |  |  | (1) |  |  | 85 |
Total operating revenue | 1,578 |  |  | 566 |  |  | 94 |  |  | — |  |  | 2,238 |
Less: Lease revenue | — |  |  | 1 |  |  | 4 |  |  | — |  |  | 5 |
Less: Realized and unrealized ASC 815 revenue | 7 |  |  | 85 |  |  | 16 |  |  | 1 |  |  | 109 |
Total revenue from contracts with customers | $ | 1,571 |  |  | $ | 480 |  |  | $ | 74 |  |  | $ | (1) |  |  | $ | 2,124 |
(a) The following table represents the realized revenues related to derivative instruments that are accounted for under ASC 815 and included in the amounts above: |  |  |  |  |  |  |  |  |
(In millions) | Texas |  | East |  | West/Other |  | Corporate/Eliminations |  | Total
Energy revenue | $ | — |  |  | $ | 2 |  |  | $ | 10 |  |  | $ | (1) |  |  | $ | 11 |
Capacity revenue | — |  |  | 41 |  |  | — |  |  | — |  |  | 41 |
Other revenue | 7 |  |  | 2 |  |  | 5 |  |  | — |  |  | 14 |
(b) Revenue relates entirely to unrealized gains and losses on derivative instruments accounted for under ASC 815 |  |  |  |  |  |  |  |  |
| Three months ended June 30, 2019 |  |  |  |  |  |  |  |
(In millions) | Texas |  | East |  | West/Other |  | Corporate/Eliminations |  | Total
Retail revenue: |  |  |  |  |  |  |  |  |
Mass Market | $ | 1,161 |  |  | $ | 235 |  |  | $ | — |  |  | $ | (1) |  |  | $ | 1,395 |
Business Solutions | 272 |  |  | 18 |  |  | — |  |  | — |  |  | 290 |
Total retail revenue | 1,433 |  |  | 253 |  |  | — |  |  | (1) |  |  | 1,685 |
Energy revenue(a) | 136 |  |  | 48 |  |  | 52 |  |  | — |  |  | 236 |
Capacity revenue(a) | — |  |  | 195 |  |  | 6 |  |  | — |  |  | 201 |
Mark-to-market for economic hedging activities(b) | 210 |  |  | 16 |  |  | 16 |  |  | (1) |  |  | 241 |
Other revenue(a) | 58 |  |  | 12 |  |  | 32 |  |  | — |  |  | 102 |
Total operating revenue | 1,837 |  |  | 524 |  |  | 106 |  |  | (2) |  |  | 2,465 |
Less: Lease revenue | — |  |  | 1 |  |  | 4 |  |  | — |  |  | 5 |
Less: Realized and unrealized ASC 815 revenue | 579 |  |  | 64 |  |  | 34 |  |  | — |  |  | 677 |
Total revenue from contracts with customers | $ | 1,258 |  |  | $ | 459 |  |  | $ | 68 |  |  | $ | (2) |  |  | $ | 1,783 |
(a) The following table represents the realized revenues related to derivative instruments that are accounted for under ASC 815 and included in the amounts above: |  |  |  |  |  |  |  |  |
(In millions) | Texas |  | East |  | West/Other |  | Corporate/Eliminations |  | Total
Energy revenue | $ | 355 |  |  | $ | 20 |  |  | $ | 5 |  |  | $ | — |  |  | $ | 380 |
Capacity revenue | — |  |  | 29 |  |  | — |  |  | 1 |  |  | 30 |
Other revenue | 14 |  |  | (1) |  |  | 13 |  |  | — |  |  | 26 |
(b) Revenue relates entirely to unrealized gains and losses on derivative instruments accounted for under ASC 815 |  |  |  |  |  |  |  |  |
| Six months ended June 30, 2020 |  |  |  |  |  |  |  |
(In millions) | Texas |  | East |  | West/Other |  | Corporate/Eliminations |  | Total
Retail revenue: |  |  |  |  |  |  |  |  |
Mass Market | $ | 2,305 |  |  | $ | 638 |  |  | $ | — |  |  | $ | (1) |  |  | $ | 2,942 |
Business Solutions | 508 |  |  | 43 |  |  | — |  |  | — |  |  | 551 |
Total retail revenue | 2,813 |  |  | 681 |  |  | — |  |  | (1) |  |  | 3,493 |
Energy revenue(a) | 10 |  |  | 64 |  |  | 135 |  |  | (2) |  |  | 207 |
Capacity revenue(a) | — |  |  | 313 |  |  | 31 |  |  | — |  |  | 344 |
Mark-to-market for economic hedging activities(b) | — |  |  | 20 |  |  | 16 |  |  | 3 |  |  | 39 |
Other revenue(a) | 113 |  |  | 27 |  |  | 37 |  |  | (3) |  |  | 174 |
Total operating revenue | 2,936 |  |  | 1,105 |  |  | 219 |  |  | (3) |  |  | 4,257 |
Less: Lease revenue | — |  |  | 1 |  |  | 9 |  |  | — |  |  | 10 |
Less: Realized and unrealized ASC 815 revenue | 14 |  |  | 124 |  |  | 60 |  |  | — |  |  | 198 |
Total revenue from contracts with customers | $ | 2,922 |  |  | $ | 980 |  |  | $ | 150 |  |  | $ | (3) |  |  | $ | 4,049 |
(a) The following table represents the realized revenues related to derivative instruments that are accounted for under ASC 815 and included in the amounts above: |  |  |  |  |  |  |  |  |
(In millions) | Texas |  | East |  | West/Other |  | Corporate/Eliminations |  | Total
Energy revenue | $ | — |  |  | $ | 37 |  |  | $ | 29 |  |  | $ | (2) |  |  | $ | 64 |
Capacity revenue | — |  |  | 65 |  |  | — |  |  | — |  |  | 65 |
Other revenue | 14 |  |  | 2 |  |  | 15 |  |  | (1) |  |  | 30 |
(b) Revenue relates entirely to unrealized gains and losses on derivative instruments accounted for under ASC 815 |  |  |  |  |  |  |  |  |
| Six months ended June 30, 2019 |  |  |  |  |  |  |  |
(In millions) | Texas |  | East |  | West/Other |  | Corporate/Eliminations |  | Total
Retail revenue: |  |  |  |  |  |  |  |  |
Mass Market | $ | 2,156 |  |  | $ | 555 |  |  | $ | — |  |  | $ | (3) |  |  | $ | 2,708 |
Business Solutions | 530 |  |  | 36 |  |  | — |  |  | — |  |  | 566 |
Total retail revenue | 2,686 |  |  | 591 |  |  | — |  |  | (3) |  |  | 3,274 |
Energy revenue(a) | 241 |  |  | 174 |  |  | 110 |  |  | 1 |  |  | 526 |
Capacity revenue(a) | — |  |  | 339 |  |  | 18 |  |  | — |  |  | 357 |
Mark-to-market for economic hedging activities(b) | 241 |  |  | 1 |  |  | 20 |  |  | (1) |  |  | 261 |
Other revenue(a) | 135 |  |  | 28 |  |  | 51 |  |  | (2) |  |  | 212 |
Total operating revenue | 3,303 |  |  | 1,133 |  |  | 199 |  |  | (5) |  |  | 4,630 |
Less: Lease revenue | — |  |  | 1 |  |  | 9 |  |  | — |  |  | 10 |
Less: Realized and unrealized ASC 815 revenue | 894 |  |  | 118 |  |  | 46 |  |  | — |  |  | 1,058 |
Total revenue from contracts with customers | $ | 2,409 |  |  | $ | 1,014 |  |  | $ | 144 |  |  | $ | (5) |  |  | $ | 3,562 |
(a) The following table represents the realized revenues related to derivative instruments that are accounted for under ASC 815 and included in the amounts above: |  |  |  |  |  |  |  |  |
(In millions) | Texas |  | East |  | West/Other |  | Corporate/Eliminations |  | Total
Energy revenue | $ | 626 |  |  | $ | 67 |  |  | $ | 7 |  |  | $ | — |  |  | $ | 700 |
Capacity revenue | — |  |  | 47 |  |  | — |  |  | 1 |  |  | 48 |
Other revenue | 27 |  |  | 3 |  |  | 19 |  |  | — |  |  | 49 |
(b) Revenue relates entirely to unrealized gains and losses on derivative instruments accounted for under ASC 815 |  |  |  |  |  |  |  |  |
Contract Asset and Liabilities | The following table reflects the contract assets and liabilities included in the Company’s balance sheet as of June 30, 2020 and December 31, 2019:
(In millions) | June 30, 2020 |  | December 31, 2019
Deferred customer acquisition costs | $ | 133 |  |  | $ | 133 |
Accounts receivable, net - Contracts with customers | 981 |  |  | 1,002 |
Accounts receivable, net - Derivative instruments | 30 |  |  | 18 |
Accounts receivable, net - Affiliate | 4 |  |  | 5 |
Total accounts receivable, net | $ | 1,015 |  |  | $ | 1,025 |
Unbilled revenues (included within Accounts receivable, net - Contracts with customers) | $ | 328 |  |  | $ | 402 |
Deferred revenues(a) | 84 |  |  | 82 |
(a) Deferred revenues from contracts with customers for the three months ended June 30, 2020 and the year ended December 31, 2019 were approximately $33 million and $24 million, respectively

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + 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=121604090&loc=SL49130551-203045 + Details
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- 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=121604090&loc=SL49130545-203045 + Details
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