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v3.20.4

Segment Reporting (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income Statement |  |  |
Revenues | $ 9,093 | $ 9,821 | $ 9,478
Operating expenses | 7,473 | 8,153 | 7,997
Depreciation and amortization | 435 | 373 | 421
Impairment losses | 75 | 5 | 99
Development costs | 8 | 7 | 11
Total operating cost and expenses | 7,991 | 8,538 | 8,528
(Loss)/gain on sale of assets | 3 | 7 | 32
Operating income/(loss) | 1,105 | 1,290 | 982
Equity in (losses)/earnings of unconsolidated affiliates | 17 | 2 | 9
Impairment losses on investments | (18) | (108) | (15)
Other income, net | 67 | 66 | 18
Loss on debt extinguishment | (9) | (51) | (44)
Interest expense | (401) | (413) | (483)
Income from Continuing Operations Before Income Taxes | 761 | 786 | 467
Income tax expense/(benefit) | 251 | (3,334) | 7
Income from Continuing Operations | 510 | 4,120 | 460
Income/(loss) from discontinued operations, net of income tax | 0 | 321 | (192)
Net Income | 510 | 4,441 | 268
Less: Net income attributable to noncontrolling interests and redeemable noncontrolling interests | 0 | 3 | 0
Net Income Attributable to NRG Energy, Inc. | 510 | 4,438 | 268
Balance sheet |  |  |
Equity investments in affiliates | 346 | 388 |
Capital expenditures | 230 | 228 |
Goodwill | 579 | 579 |
Total assets | 14,902 | 12,531 |
Corporate |  |  |
Income Statement |  |  |
Revenues | 0 |  |
Operating expenses | 57 |  |
Depreciation and amortization | 34 |  |
Impairment losses | 0 |  |
Development costs | 0 |  |
Total operating cost and expenses | 91 |  |
(Loss)/gain on sale of assets | 5 |  |
Operating income/(loss) | (86) |  |
Equity in (losses)/earnings of unconsolidated affiliates | 0 |  |
Impairment losses on investments | 0 |  |
Other income, net | 41 |  |
Loss on debt extinguishment | 0 |  |
Interest expense | (384) |  |
Income from Continuing Operations Before Income Taxes | (429) |  |
Income tax expense/(benefit) | 250 |  |
Net Income Attributable to NRG Energy, Inc. | (679) |  |
Balance sheet |  |  |
Equity investments in affiliates | 0 |  |
Capital expenditures | 25 |  |
Goodwill | 0 |  |
Total assets | 11,152 |  |
Eliminations |  |  |
Income Statement |  |  |
Revenues | (4) | (7) | (18)
Operating expenses | (4) | (7) | (18)
Depreciation and amortization | 0 | 0 | 0
Impairment losses | 0 | 0 | 0
Development costs | 0 | 0 | 0
Total operating cost and expenses | (4) | (7) | (18)
(Loss)/gain on sale of assets | 0 | 0 | 0
Operating income/(loss) | 0 | 0 | 0
Equity in (losses)/earnings of unconsolidated affiliates | 0 | 0 | 0
Impairment losses on investments | 0 | 0 | 0
Other income, net | 0 | 0 | 0
Loss on debt extinguishment | 0 | 0 | 0
Interest expense | 0 | 0 | 0
Income from Continuing Operations Before Income Taxes | 0 | 0 | 0
Income tax expense/(benefit) | 0 | 0 | 0
Income from Continuing Operations |  | 0 | 0
Income/(loss) from discontinued operations, net of income tax |  | 0 | 0
Net Income |  | 0 | 0
Less: Net income attributable to noncontrolling interests and redeemable noncontrolling interests |  | 0 | 0
Net Income Attributable to NRG Energy, Inc. | 0 | 0 | 0
Balance sheet |  |  |
Equity investments in affiliates | 0 | 0 |
Capital expenditures | 0 | 0 |
Goodwill | 0 | 0 |
Total assets | (7,360) | (4,872) |
Texas | Operating Segments |  |  |
Income Statement |  |  |
Revenues | 6,309 | 7,069 | 6,401
Operating expenses | 5,246 | 5,818 | 5,399
Depreciation and amortization | 227 | 188 | 156
Impairment losses | 14 | 1 | 5
Development costs | 4 | 3 | 3
Total operating cost and expenses | 5,491 | 6,010 | 5,563
(Loss)/gain on sale of assets | 0 | 0 | 4
Operating income/(loss) | 818 | 1,059 | 842
Equity in (losses)/earnings of unconsolidated affiliates | (12) | (4) | (3)
Impairment losses on investments | (18) | (103) | (15)
Other income, net | 11 | 20 | 13
Loss on debt extinguishment | 0 | 0 | 0
Interest expense | 0 | 0 | 0
Income from Continuing Operations Before Income Taxes | 799 | 972 | 837
Income tax expense/(benefit) | 0 | 0 | 0
Income from Continuing Operations |  | 972 | 837
Income/(loss) from discontinued operations, net of income tax |  | 0 | 0
Net Income |  | 972 | 837
Less: Net income attributable to noncontrolling interests and redeemable noncontrolling interests |  | 0 | 0
Net Income Attributable to NRG Energy, Inc. | 799 | 972 | 837
Balance sheet |  |  |
Equity investments in affiliates | (13) | 6 |
Capital expenditures | 130 | 136 |
Goodwill | 325 | 325 |
Total assets | 7,641 | 5,711 |
Texas | Eliminations |  |  |
Income Statement |  |  |
Revenues | (6) | (1) | (19)
East | Operating Segments |  |  |
Income Statement |  |  |
Revenues | 2,354 | 2,319 | 2,371
Operating expenses | 1,828 | 1,895 | 2,024
Depreciation and amortization | 142 | 121 | 105
Impairment losses | 0 | 0 | 82
Development costs | 3 | 3 | 3
Total operating cost and expenses | 1,973 | 2,019 | 2,214
(Loss)/gain on sale of assets | 0 | 1 | 0
Operating income/(loss) | 381 | 301 | 157
Equity in (losses)/earnings of unconsolidated affiliates | 0 | 0 | 0
Impairment losses on investments | 0 | 0 | 0
Other income, net | 7 | 6 | 2
Loss on debt extinguishment | (4) | 0 | 0
Interest expense | (14) | (18) | (22)
Income from Continuing Operations Before Income Taxes | 370 | 289 | 137
Income tax expense/(benefit) | (1) | 2 | 1
Income from Continuing Operations |  | 287 | 136
Income/(loss) from discontinued operations, net of income tax |  | 0 | 0
Net Income |  | 287 | 136
Less: Net income attributable to noncontrolling interests and redeemable noncontrolling interests |  | 0 | 0
Net Income Attributable to NRG Energy, Inc. | 371 | 287 | 136
Balance sheet |  |  |
Equity investments in affiliates | 0 | 0 |
Capital expenditures | 45 | 30 |
Goodwill | 254 | 254 |
Total assets | 1,885 | 2,160 |
East | Eliminations |  |  |
Income Statement |  |  |
Revenues | 6 | (8) | 5
West/Other | Operating Segments |  |  |
Income Statement |  |  |
Revenues | 434 | 440 | 724
Operating expenses | 346 | 397 | 467
Depreciation and amortization | 32 | 33 | 127
Impairment losses | 61 | 4 | 12
Development costs | 1 | 1 | 3
Total operating cost and expenses | 440 | 435 | 609
(Loss)/gain on sale of assets | (2) | 0 | (2)
Operating income/(loss) | (8) | 5 | 113
Equity in (losses)/earnings of unconsolidated affiliates | 29 | 6 | 13
Impairment losses on investments | 0 | 0 | 0
Other income, net | 8 | 10 | 4
Loss on debt extinguishment | (5) | (3) | 0
Interest expense | (3) | (10) | (39)
Income from Continuing Operations Before Income Taxes | 21 | 8 | 91
Income tax expense/(benefit) | 2 | 1 | 0
Income from Continuing Operations |  | 7 | 91
Income/(loss) from discontinued operations, net of income tax |  | 0 | 0
Net Income |  | 7 | 91
Less: Net income attributable to noncontrolling interests and redeemable noncontrolling interests |  | 3 | 5
Net Income Attributable to NRG Energy, Inc. | 19 | 4 | 86
Balance sheet |  |  |
Equity investments in affiliates | 359 | 382 |
Capital expenditures | 30 | 25 |
Goodwill | 0 | 0 |
Total assets | 1,584 | 1,190 |
West/Other | Eliminations |  |  |
Income Statement |  |  |
Revenues | $ (4) | 2 | (4)
Corporate | Operating Segments |  |  |
Income Statement |  |  |
Revenues |  | 0 | 0
Operating expenses |  | 50 | 125
Depreciation and amortization |  | 31 | 33
Impairment losses |  | 0 | 0
Development costs |  | 0 | 2
Total operating cost and expenses |  | 81 | 160
(Loss)/gain on sale of assets |  | 6 | 30
Operating income/(loss) |  | (75) | (130)
Equity in (losses)/earnings of unconsolidated affiliates |  | 0 | (1)
Impairment losses on investments |  | (5) | 0
Other income, net |  | 30 | (1)
Loss on debt extinguishment |  | (48) | (44)
Interest expense |  | (385) | (422)
Income from Continuing Operations Before Income Taxes |  | (483) | (598)
Income tax expense/(benefit) |  | (3,337) | 6
Income from Continuing Operations |  | 2,854 | (604)
Income/(loss) from discontinued operations, net of income tax |  | 321 | (192)
Net Income |  | 3,175 | (796)
Less: Net income attributable to noncontrolling interests and redeemable noncontrolling interests |  | 0 | (5)
Net Income Attributable to NRG Energy, Inc. |  | 3,175 | $ (791)
Balance sheet |  |  |
Equity investments in affiliates |  | 0 |
Capital expenditures |  | 37 |
Goodwill |  | 0 |
Total assets |  | $ 8,342 |
Customer Concentration Risk | Texas |  |  |
Segment Reporting Information |  |  |
Concentration risk, percentage | 10.00% |  | 11.00%

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