Three months ended June 30, 2019 (a) Retail Generation Corporate Eliminations Total (In millions) Operating revenues (b) $ 1,748 $ 1,367 $  $ (650 ) $ 2,465 Depreciation and amortization 32 45 8  85 Impairment losses 1    1 Reorganization costs 2    2 Gain on sale of assets   1  1 Loss on debt extinguishment, net   (47 )  (47 ) (Loss)/income from continuing operations before income taxes (280 ) 618 (151 ) 1 188 (Loss)/income from continuing operations (280 ) 618 (150 ) 1 189 Income from discontinued operations, net of tax   13  13 Net (loss)/income (280 ) 618 (137 ) 1 202 Net (loss)/income attributable to NRG Energy, Inc. $ (281 ) $ 618 $ (137 ) $ 1 $ 201 (a) Includes intersegment revenues and costs associated with the internal transfer of power, which is based on average annualized market prices and results in higher revenues in Generation and higher cost of operations in Retail that are eliminated in consolidation (b) Operating revenues include intersegment sales and net derivative gains and losses of: $ 2 $ 627 $ 21 $  $ 650 Three months ended June 30, 2018 (a) Retail Generation Corporate Eliminations Total (In millions) Operating revenues (b) $ 1,814 $ 1,167 $  $ (520 ) $ 2,461 Depreciation and amortization 30 74 9 (1 ) 112 Reorganization costs 1 3 19  23 Equity in earnings of unconsolidated affiliates  5 2 (2 ) 5 (Loss)/income from continuing operations before income taxes (84 ) 252 (137 ) 1 32 (Loss)/income from continuing operations (84 ) 252 (142 ) 1 27 Income from discontinued operations, net of tax   69  69 Net (loss)/income (84 ) 252 (73 ) 1 96 Net (loss)/income attributable to NRG Energy, Inc. $ (84 ) $ 250 $ (97 ) $ 3 $ 72 (a) Includes intersegment revenues and costs associated with our internal transfer of power, which is based on average annualized market prices and results in higher revenues in Generation and higher cost of operations in Retail that are eliminated in consolidation (b) Operating revenues include intersegment sales and net derivative gains and losses of: $ 4 $ 514 $ 2 $  $ 520 Six months ended June 30, 2019 (a) Retail Generation Corporate Eliminations Total (In millions) Operating revenues (b) $ 3,355 $ 2,190 $  $ (915 ) $ 4,630 Depreciation and amortization 63 91 16  170 Impairment losses 1    1 Reorganization costs 3 1 11  15 Gain on sale of assets  1 1  2 Equity in losses of unconsolidated affiliates  (21 )   (21 ) Loss on debt extinguishment, net   (47 )  (47 ) (Loss)/income from continuing operations before income taxes (169 ) 731 (275 ) (1 ) 286 (Loss)/income from continuing operations (170 ) 731 (277 ) (1 ) 283 Income from discontinued operations, net of tax   401  401 Net (loss)/income (170 ) 731 124 (1 ) 684 Net (loss)/income attributable to NRG Energy, Inc. common stockholders $ (171 ) $ 731 $ 124 $ (1 ) $ 683 (a) Includes intersegment revenues and costs associated with our internal transfer of power, which is based on average annualized market prices and results in higher revenues in Generation and higher cost of operations in Retail that are eliminated in consolidation (b) Operating revenues include inter-segment sales and net derivative gains and losses of: $ 5 $ 862 $ 48 $  $ 915 Six months ended June 30, 2018 (a) Retail Generation Corporate Eliminations Total Operating revenues (b) $ 3,294 $ 1,438 $  $ (206 ) $ 4,526 Depreciation and amortization 56 160 18 (2 ) 232 Impairment losses  74   74 Reorganization costs 5 6 32  43 Gain on sale of assets  2 14  16 Equity in earnings of unconsolidated affiliates  7 1 (2 ) 6 Income/(loss) from continuing operations before income taxes 860 (319 ) (264 ) (1 ) 276 Income/(loss) from continuing operations 860 (319 ) (275 ) (1 ) 265 Income from discontinued operations, net of tax   64  64 Net income/(loss) 860 (319 ) (211 ) (1 ) 329 Net income/(loss) attributable to NRG Energy, Inc. common stockholders $ 859 $ (313 ) $ (196 ) $ 1 $ 351 (a) Includes intersegment revenues and costs associated with our internal transfer of power, which is based on average annualized market prices and results in higher revenues in Generation and higher cost of operations in Retail that are eliminated in consolidation (b) Operating revenues include inter-segment sales and net derivative gains and losses of: $ 6 $ 205 $ (5 ) $  $ 206