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Segment Reporting | 12 Months Ended
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Dec. 31, 2019
Segment Reporting [Abstract] |
Segment Reporting | Segment Reporting As of December 31, 2019, the Company's reportable segments were Generation, Retail and Corporate. Retail included Mass market and C&I customers, as well as other distributed and reliability products. Generation included all power plant activities, as well as renewables. The Company began managing its integrated model based on the combined results of the retail and wholesale generation businesses with a geographical focus in 2020. As a result, the Company changed its business segments to Texas, East and West/Other beginning in the first quarter of 2020. The Company's updated segment structure reflects how management currently makes financial decisions and allocates resources. All affected disclosures presented herein have been recast to reflect these changes for all periods presented. For further discussion, refer to Note 1, Nature of Busines s. NRG's chief operating decision maker, its chief executive officer, evaluates the performance of its segments based on operational measures including adjusted earnings before interest, taxes, depreciation and amortization, or Adjusted EBITDA, free cash flow and capital for allocation, as well as net income/(loss) and net income/(loss) attributable to NRG Energy, Inc. On February 4, 2019, the Company completed the sale and deconsolidation of South Central Portfolio. On August 31, 2018, NRG deconsolidated NRG Yield Inc., its Renewables Platform and Carlsbad for financial reporting purposes. In 2018, the financial information for historical periods was recast to reflect the presentation of discontinued operations within the corporate segment. Refer to Note 4, Acquisitions, Discontinued Operations and Dispositions, for further discussion. The Company had no customer that comprised more than 10% of the Company's consolidated revenues during the years ended December 31, 2019 and 2017. The company had one customer in the Texas segment that comprised 11% of the Company's consolidated revenues during the year ended December 31, 2018. Intersegment sales are accounted for at market.
| For the Year Ended December 31, 2019 |  |  |  |  |  |  |  |  |  |
(In millions) | Texas |  | East |  | West/Other |  | Corporate(a) |  | Eliminations |  | Total
Operating revenues(a) | $ | 7,069 |  |  | $ | 2,319 |  |  | $ | 440 |  |  | $ | — |  |  | $ | (7) |  |  | $ | 9,821 |
Operating expenses | 5,818 |  |  | 1,895 |  |  | 397 |  |  | 50 |  |  | (7) |  |  | 8,153 |
Depreciation and amortization | 188 |  |  | 121 |  |  | 33 |  |  | 31 |  |  | — |  |  | 373 |
Impairment losses | 1 |  |  | — |  |  | 4 |  |  | — |  |  | — |  |  | 5 |
Development costs | 3 |  |  | 3 |  |  | 1 |  |  | — |  |  | — |  |  | 7 |
Total operating cost and expenses | 6,010 |  |  | 2,019 |  |  | 435 |  |  | 81 |  |  | (7) |  |  | 8,538 |
Gain on sale of assets | — |  |  | 1 |  |  | — |  |  | 6 |  |  | — |  |  | 7 |
Operating income/(loss) | 1,059 |  |  | 301 |  |  | 5 |  |  | (75) |  |  | — |  |  | 1,290 |
Equity in (losses)/earnings of unconsolidated affiliates | (4) |  |  | — |  |  | 6 |  |  | — |  |  | — |  |  | 2 |
Impairment losses on investments | (103) |  |  | — |  |  | — |  |  | (5) |  |  | — |  |  | (108) |
Other income, net | 20 |  |  | 6 |  |  | 10 |  |  | 30 |  |  | — |  |  | 66 |
Loss on debt extinguishment | — |  |  | — |  |  | (3) |  |  | (48) |  |  | — |  |  | (51) |
Interest expense | — |  |  | (18) |  |  | (10) |  |  | (385) |  |  | — |  |  | (413) |
Income/(loss) from continuing operations before income taxes | 972 |  |  | 289 |  |  | 8 |  |  | (483) |  |  | — |  |  | 786 |
Income tax expense/(benefit) | — |  |  | 2 |  |  | 1 |  |  | (3,337) |  |  | — |  |  | (3,334) |
Net income from continuing operations | 972 |  |  | 287 |  |  | 7 |  |  | 2,854 |  |  | — |  |  | 4,120 |
Gain from discontinued operations, net of income tax | — |  |  | — |  |  | — |  |  | 321 |  |  | — |  |  | 321 |
Net Income | 972 |  |  | 287 |  |  | 7 |  |  | 3,175 |  |  | — |  |  | 4,441 |
Less: Net income attributable to noncontrolling interests and redeemable noncontrolling interests | — |  |  | — |  |  | 3 |  |  | — |  |  | — |  |  | 3 |
Net income attributable to NRG Energy, Inc. | $ | 972 |  |  | $ | 287 |  |  | $ | 4 |  |  | $ | 3,175 |  |  | $ | — |  |  | $ | 4,438 |
Balance sheet |  |  |  |  |  |  |  |  |  |  |  |
Equity investments in affiliates | $ | 6 |  |  | $ | — |  |  | $ | 382 |  |  | $ | — |  |  | $ | — |  |  | $ | 388 |
Capital expenditures | 136 |  |  | 30 |  |  | 25 |  |  | 37 |  |  | — |  |  | 228 |
Goodwill(b) | 325 |  |  | 254 |  |  | — |  |  | — |  |  | — |  |  | 579 |
Total assets | $ | 5,711 |  |  | $ | 2,160 |  |  | $ | 1,190 |  |  | $ | 8,342 |  |  | $ | (4,872) |  |  | $ | 12,531 |
(a) Inter-segment sales and inter-segment net derivative gains and losses included in operating revenues | $ | 1 |  |  | $ | 8 |  |  | $ | (2) |  |  | $ | — |  |  | $ | — |  |  | $ | 7 |
(b) Goodwill was allocated based on the regions in which the business operates and are expected to benefit using a relative fair value approach |  |  |  |  |  |  |  |  |  |  |
| For the Year Ended December 31, 2018 |  |  |  |  |  |  |  |  |  |
(In millions) | Texas |  | East |  | West/Other |  | Corporate(a) |  | Eliminations |  | Total
Operating revenues(a) | $ | 6,401 |  |  | $ | 2,371 |  |  | $ | 724 |  |  | $ | — |  |  | $ | (18) |  |  | $ | 9,478 |
Operating expenses | 5,399 |  |  | 2,024 |  |  | 467 |  |  | 125 |  |  | (18) |  |  | 7,997 |
Depreciation and amortization | 156 |  |  | 105 |  |  | 127 |  |  | 33 |  |  | — |  |  | 421 |
Impairment losses | 5 |  |  | 82 |  |  | 12 |  |  | — |  |  | — |  |  | 99 |
Development costs | 3 |  |  | 3 |  |  | 3 |  |  | 2 |  |  | — |  |  | 11 |
Total operating cost and expenses | 5,563 |  |  | 2,214 |  |  | 609 |  |  | 160 |  |  | (18) |  |  | 8,528 |
Gain on sale of assets | 4 |  |  | — |  |  | (2) |  |  | 30 |  |  | — |  |  | 32 |
Operating income/(loss) | 842 |  |  | 157 |  |  | 113 |  |  | (130) |  |  | — |  |  | 982 |
Equity in (losses)/earnings of unconsolidated affiliates | (3) |  |  | — |  |  | 13 |  |  | (1) |  |  | — |  |  | 9 |
Impairment losses on investments | (15) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (15) |
Other income/(loss), net | 13 |  |  | 2 |  |  | 4 |  |  | (1) |  |  | — |  |  | 18 |
Loss on debt extinguishment | — |  |  | — |  |  | — |  |  | (44) |  |  | — |  |  | (44) |
Interest expense | — |  |  | (22) |  |  | (39) |  |  | (422) |  |  | — |  |  | (483) |
Income/(loss) from continuing operations before income taxes | 837 |  |  | 137 |  |  | 91 |  |  | (598) |  |  | — |  |  | 467 |
Income tax expense | — |  |  | 1 |  |  | — |  |  | 6 |  |  | — |  |  | 7 |
Net income/(loss) from continuing operations | 837 |  |  | 136 |  |  | 91 |  |  | (604) |  |  | — |  |  | 460 |
Loss from discontinued operations, net of income tax | — |  |  | — |  |  | — |  |  | (192) |  |  | — |  |  | (192) |
Net Income/(loss) | 837 |  |  | 136 |  |  | 91 |  |  | (796) |  |  | — |  |  | 268 |
Less: Net income/(loss) attributable to noncontrolling interests and redeemable noncontrolling interests | — |  |  | — |  |  | 5 |  |  | (5) |  |  | — |  |  | — |
Net income/(loss) attributable to NRG Energy, Inc. | $ | 837 |  |  | $ | 136 |  |  | $ | 86 |  |  | $ | (791) |  |  | $ | — |  |  | $ | 268 |
Balance sheet |  |  |  |  |  |  |  |  |  |  |  |
Equity investments in affiliates | $ | 6 |  |  | $ | — |  |  | 406 |  | $ | — |  |  | $ | — |  |  | $ | 412 |
Capital expenditures | 143 |  |  | 171 |  |  | 29 |  |  | 45 |  |  | — |  |  | 388 |
Goodwill(b) | 320 |  |  | 253 |  |  | — |  |  | — |  |  | — |  |  | 573 |
Total assets | $ | 5,357 |  |  | $ | 2,187 |  |  | $ | 1,548 |  |  | $ | 6,631 |  |  | $ | (5,095) |  |  | $ | 10,628 |
(a) Inter-segment sales and inter-segment net derivative gains and losses included in operating revenues | $ | 19 |  |  | $ | (5) |  |  | 4 |  | $ | — |  |  | $ | — |  |  | $ | 18 |
(b) Goodwill was allocated based on the regions in which the business operates and are expected to benefit using a relative fair value approach |  |  |  |  |  |  |  |  |  |  |
| For the Year Ended December 31, 2017 |  |  |  |  |  |  |  |  |  |
(In millions) | Texas |  | East |  | West/Other |  | Corporate(a) |  | Eliminations |  | Total
Operating revenues(a) | $ | 6,318 |  |  | $ | 2,009 |  |  | $ | 788 |  |  | $ | 6 |  |  | $ | (47) |  |  | $ | 9,074 |
Operating expenses | 5,393 |  |  | 1,684 |  |  | 498 |  |  | 239 |  |  | (48) |  |  | 7,766 |
Depreciation and amortization | 258 |  |  | 112 |  |  | 194 |  |  | 35 |  |  | (3) |  |  | 596 |
Impairment losses | 1,317 |  |  | 106 |  |  | 111 |  |  | — |  |  | — |  |  | 1,534 |
Development costs | 4 |  |  | 6 |  |  | 6 |  |  | 6 |  |  | — |  |  | 22 |
Total operating costs and expenses | 6,972 |  |  | 1,908 |  |  | 809 |  |  | 280 |  |  | (51) |  |  | 9,918 |
Other income - affiliate | — |  |  | — |  |  | — |  |  | 87 |  |  | — |  |  | 87 |
Gain/(loss) on sale of assets | 5 |  |  | 15 |  |  | (5) |  |  | 1 |  |  | — |  |  | 16 |
Operating (loss)/income | (649) |  |  | 116 |  |  | (26) |  |  | (186) |  |  | 4 |  |  | (741) |
Equity in (losses)/earnings of unconsolidated affiliates | (22) |  |  | — |  |  | 10 |  |  | (2) |  |  | — |  |  | (14) |
Impairment losses on investments | (69) |  |  | — |  |  | (6) |  |  | (4) |  |  | — |  |  | (79) |
Other (expense)/income, net | (2) |  |  | 4 |  |  | 22 |  |  | 27 |  |  | — |  |  | 51 |
Loss on debt extinguishment | — |  |  | — |  |  | — |  |  | (49) |  |  | — |  |  | (49) |
Interest expense | — |  |  | (29) |  |  | (77) |  |  | (451) |  |  | — |  |  | (557) |
(Loss)/income from continuing operations before income taxes | (742) |  |  | 91 |  |  | (77) |  |  | (665) |  |  | 4 |  |  | (1,389) |
Income tax benefit | — |  |  | — |  |  | (6) |  |  | (38) |  |  | — |  |  | (44) |
Net (loss)/income from continuing operations | (742) |  |  | 91 |  |  | (71) |  |  | (627) |  |  | 4 |  |  | (1,345) |
Loss from discontinued operations, net of income tax | — |  |  | — |  |  | — |  |  | (992) |  |  | — |  |  | (992) |
Net (loss)/income | (742) |  |  | 91 |  |  | (71) |  |  | (1,619) |  |  | 4 |  |  | (2,337) |
Less: Net income/(loss) attributable to noncontrolling interests and redeemable noncontrolling interests | — |  |  | — |  |  | 1 |  |  | (189) |  |  | 4 |  |  | (184) |
Net (loss)/income attributable to NRG Energy, Inc. | $ | (742) |  |  | $ | 91 |  |  | $ | (72) |  |  | $ | (1,430) |  |  | $ | — |  |  | $ | (2,153) |
(a) Inter-segment sales and inter-segment net derivative gains and losses included in operating revenues | $ | 41 |  |  | $ | 1 |  |  | (4) |  |  | $ | 9 |  |  | $ | — |  |  | $ | 47 |

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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