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v3.19.3.a.u2

Segment Reporting (Tables) | 12 Months Ended
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Dec. 31, 2019
Segment Reporting [Abstract] |
Segment Reporting |
| For the Year Ended December 31, 2019 |  |  |  |  |  |  |  |
(In millions) | Retail |  | Generation |  | Corporate(a) |  | Eliminations |  | Total
Operating revenues(a) | $ | 7,680 |  |  | $ | 3,847 |  |  | $ | — |  |  | $ | (1,706) |  |  | $ | 9,821 |
Operating expenses | 7,031 |  |  | 2,777 |  |  | 50 |  |  | (1,705) |  |  | 8,153 |
Depreciation and amortization | 157 |  |  | 185 |  |  | 31 |  |  | — |  |  | 373 |
Impairment losses | 1 |  |  | 4 |  |  | — |  |  | — |  |  | 5 |
Development costs | — |  |  | 7 |  |  | — |  |  | — |  |  | 7 |
Total operating cost and expenses | 7,189 |  |  | 2,973 |  |  | 81 |  |  | (1,705) |  |  | 8,538 |
(Loss)/Gain on sale of assets | (1) |  |  | 2 |  |  | 6 |  |  | — |  |  | 7 |
Operating income/(loss) | 490 |  |  | 876 |  |  | (75) |  |  | (1) |  |  | 1,290 |
Equity in earnings of unconsolidated affiliates | — |  |  | 2 |  |  | — |  |  | — |  |  | 2 |
Impairment losses on investments | — |  |  | (101) |  |  | (7) |  |  |  | — |  |  | (108) |
Other income, net | 2 |  |  | 32 |  |  | 32 |  |  | — |  |  | 66 |
Loss on debt extinguishment | — |  |  | (3) |  |  | (48) |  |  | — |  |  | (51) |
Interest expense | (3) |  |  | (24) |  |  | (386) |  |  | — |  |  | (413) |
Income/(loss) from continuing operations before income taxes | 489 |  |  | 782 |  |  | (484) |  |  | (1) |  |  | 786 |
Income tax expense/(benefit) | 2 |  |  | 2 |  |  | (3,338) |  |  | — |  |  | (3,334) |
Net income from continuing operations | 487 |  |  | 780 |  |  | 2,854 |  |  | (1) |  |  | 4,120 |
Gain from discontinued operations, net of income tax | — |  |  | — |  |  | 321 |  |  | — |  |  | 321 |
Net Income | 487 |  |  | 780 |  |  | 3,175 |  |  | (1) |  |  | 4,441 |
Less: Net income attributable to noncontrolling interests and redeemable noncontrolling interests | 3 |  |  | — |  |  | — |  |  | — |  |  | 3 |
Net income attributable to NRG Energy, Inc. | $ | 484 |  |  | $ | 780 |  |  | $ | 3,175 |  |  | $ | (1) |  |  | $ | 4,438 |
Balance sheet |  |  |  |  |  |  |  |  |
Equity investments in affiliates | $ | — |  |  | $ | 388 |  |  | $ | — |  |  | $ | — |  |  | $ | 388 |
Capital expenditures | 60 |  |  | 134 |  |  | 34 |  |  | — |  |  | 228 |
Goodwill | 414 |  |  | 165 |  |  | — |  |  | — |  |  | 579 |
Total assets | $ | 3,573 |  |  | $ | 5,467 |  |  | $ | 8,531 |  |  | $ | (5,040) |  |  | $ | 12,531 |
(a) Inter-segment sales and inter-segment net derivative gains and losses included in operating revenues | $ | 10 |  |  | $ | 1,602 |  |  | $ | 94 |  |  | $ | — |  |  | $ | 1,706 |
| For the Year Ended December 31, 2018 |  |  |  |  |  |  |  |
(In millions) | Retail |  | Generation |  | Corporate(a) |  | Eliminations |  | Total
Operating revenues(a) | $ | 7,103 |  |  | $ | 3,443 |  |  | $ | — |  |  | $ | (1,068) |  |  | $ | 9,478 |
Operating expenses | 5,919 |  |  | 3,021 |  |  | 126 |  |  | (1,069) |  |  | 7,997 |
Depreciation and amortization | 116 |  |  | 272 |  |  | 33 |  |  | — |  |  | 421 |
Impairment losses | 1 |  |  | 98 |  |  | — |  |  | — |  |  | 99 |
Development costs | 1 |  |  | 9 |  |  | 2 |  |  | (1) |  |  | 11 |
Total operating cost and expenses | 6,037 |  |  | 3,400 |  |  | 161 |  |  | (1,070) |  |  | 8,528 |
Gain on sale of assets | — |  |  | 2 |  |  | 30 |  |  | — |  |  | 32 |
Operating income/(loss) | 1,066 |  |  | 45 |  |  | (131) |  |  | 2 |  |  | 982 |
Equity in earnings of unconsolidated affiliates | — |  |  | 10 |  |  | 4 |  |  | (5) |  |  | 9 |
Impairment losses on investments | — |  |  | (15) |  |  | — |  |  | — |  |  | (15) |
Other income/(loss), net | — |  |  | 20 |  |  | (1) |  |  | (1) |  |  | 18 |
Loss on debt extinguishment | — |  |  | — |  |  | (44) |  |  | — |  |  | (44) |
Interest expense | (3) |  |  | (58) |  |  | (422) |  |  | — |  |  | (483) |
Income/(loss) from continuing operations before income taxes | 1,063 |  |  | 2 |  |  | (594) |  |  | (4) |  |  | 467 |
Income tax expense | 1 |  |  | — |  |  | 6 |  |  | — |  |  | 7 |
Net income/(loss) from continuing operations | 1,062 |  |  | 2 |  |  | (600) |  |  | (4) |  |  | 460 |
Loss from discontinued operations, net of income tax | — |  |  | — |  |  | (192) |  |  | — |  |  | (192) |
Net Income/(loss) | 1,062 |  |  | 2 |  |  | (792) |  |  | (4) |  |  | 268 |
Less: Net income/(loss) attributable to noncontrolling interests and redeemable noncontrolling interests | 1 |  |  | 9 |  |  | (5) |  |  | (5) |  |  | — |
Net income/(loss) attributable to NRG Energy, Inc. | $ | 1,061 |  |  | $ | (7) |  |  | $ | (787) |  |  | $ | 1 |  |  | $ | 268 |
Balance sheet |  |  |  |  |  |  |  |  |  |
Equity investments in affiliates | $ | — |  |  | $ | 412 |  |  | $ | — |  |  | $ | — |  |  | $ | 412 |
Capital expenditures | 90 |  |  | 267 |  |  | 31 |  |  | — |  |  | 388 |
Goodwill | 408 |  |  | 165 |  |  | — |  |  | — |  |  | 573 |
Total assets | $ | 3,291 |  |  | $ | 5,735 |  |  | $ | 7,006 |  |  | $ | (5,404) |  |  | $ | 10,628 |
(a) Inter-segment sales and inter-segment net derivative gains and losses included in operating revenues | $ | 9 |  |  | $ | 1,085 |  |  | $ | (26) |  |  | $ | — |  |  | $ | 1,068 |
| For the Year Ended December 31, 2017 |  |  |  |  |  |  |  |
(In millions) | Retail |  | Generation |  | Corporate(a) |  | Eliminations |  | Total
Operating revenues(a) | $ | 6,369 |  |  | $ | 3,615 |  |  | $ | 13 |  |  | $ | (923) |  |  | $ | 9,074 |
Operating expenses | 5,377 |  |  | 3,071 |  |  | 243 |  |  | (925) |  |  | 7,766 |
Depreciation and amortization | 110 |  |  | 454 |  |  | 35 |  |  | (3) |  |  | 596 |
Impairment losses | 8 |  |  | 1,526 |  |  | — |  |  | — |  |  | 1,534 |
Development costs | 3 |  |  | 13 |  |  | 6 |  |  | — |  |  | 22 |
Total operating costs and expenses | 5,498 |  |  | 5,064 |  |  | 284 |  |  | (928) |  |  | 9,918 |
Other income - affiliate | — |  |  | — |  |  | 87 |  |  | — |  |  | 87 |
Gain on sale of assets | — |  |  | 15 |  |  | 1 |  |  | — |  |  | 16 |
Operating income/(loss) | 871 |  |  | (1,434) |  |  | (183) |  |  | 5 |  |  | (741) |
Equity in (losses)/earnings of unconsolidated affiliates | — |  |  | (14) |  |  | 5 |  |  | (5) |  |  | (14) |
Impairment losses on investments | — |  |  | (75) |  |  | (4) |  |  | — |  |  | (79) |
Other income, net | — |  |  | 23 |  |  | 28 |  |  | — |  |  | 51 |
Loss on debt extinguishment | — |  |  | — |  |  | (49) |  |  | — |  |  | (49) |
Interest expense | (6) |  |  | (100) |  |  | (451) |  |  | — |  |  | (557) |
Income/(loss) from continuing operations before income taxes | 865 |  |  | (1,600) |  |  | (654) |  |  | — |  |  | (1,389) |
Income tax (benefit)/expense | (8) |  |  | 2 |  |  | (38) |  |  | — |  |  | (44) |
Net income/(loss) from continuing operations | 873 |  |  | (1,602) |  |  | (616) |  |  | — |  |  | (1,345) |
Loss from discontinued operations, net of income tax | — |  |  | — |  |  | (992) |  |  | — |  |  | (992) |
Net Income/(loss) | 873 |  |  | (1,602) |  |  | (1,608) |  |  | — |  |  | (2,337) |
Less: Net income/(loss) attributable to noncontrolling interests and redeemable noncontrolling interests | 1 |  |  | 4 |  |  | (189) |  |  | — |  |  | (184) |
Net income/(loss) attributable to NRG Energy, Inc. | $ | 872 |  |  | $ | (1,606) |  |  | $ | (1,419) |  |  | $ | — |  |  | $ | (2,153) |
(a) Inter-segment sales and inter-segment net derivative gains and losses included in operating revenues | $ | 4 |  |  | $ | 877 |  |  | $ | 42 |  |  | $ | — |  |  | $ | 923 |

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