The following table presents revenues, gross profit (loss), equity in earnings of unconsolidated affiliates, selling, general and administrative expenses, acquisition and integration related costs, gain on disposition of assets, gain of consolidation of Aspire entities, and operating income (loss) by reporting segment. Operations by Reportable Segment Three Months Ended Six Months Ended June 30, June 30, 2019 2018 2019 2018 Dollars in millions Revenues: Government Solutions $ 1,033 $ 868 $ 2,008 $ 1,545 Technology Solutions 93 72 185 134 Energy Solutions 296 327 568 626 Subtotal 1,422 1,267 2,761 2,305 Non-strategic Business   1  Total revenues $ 1,422 $ 1,267 $ 2,762 $ 2,305 Gross profit (loss): Government Solutions $ 112 $ 85 $ 202 $ 155 Technology Solutions 26 27 53 48 Energy Solutions 22 49 58 77 Subtotal 160 161 313 280 Non-strategic Business    (2 ) Total gross profit $ 160 $ 161 $ 313 $ 278 Equity in earnings of unconsolidated affiliates: Government Solutions $ 8 $ 6 $ 14 $ 14 Energy Solutions 7 6 1 19 Subtotal 15 12 15 33 Non-strategic Business     Total equity in earnings of unconsolidated affiliates $ 15 $ 12 $ 15 $ 33 Selling, general and administrative expenses: Government Solutions $ (35 ) $ (26 ) $ (65 ) $ (49 ) Technology Solutions (7 ) (6 ) (14 ) (12 ) Energy Solutions (16 ) (19 ) (32 ) (40 ) Other (30 ) (21 ) (55 ) (42 ) Subtotal (88 ) (72 ) (166 ) (143 ) Non-strategic Business     Total selling, general and administrative expenses $ (88 ) $ (72 ) $ (166 ) $ (143 ) Acquisition and integration related costs: Government Solutions $ (1 ) $ (1 ) $ (2 ) $ (4 ) Technology Solutions     Energy Solutions     Other     Subtotal (1 ) (1 ) (2 ) (4 ) Non-strategic Business     Total acquisition and integration related costs $ (1 ) $ (1 ) $ (2 ) $ (4 ) Gain on disposition of assets: Government Solutions $ 7 $  $ 11 $  Technology Solutions     Energy Solutions     Other (1 )  (1 )  Subtotal 6  10  Non-strategic Business     Total gain on disposition of assets $ 6 $  $ 10 $  Gain on consolidation of Aspire entities: Government Solutions $  $  $  $ 120 Three Months Ended Six Months Ended June 30, June 30, 2019 2018 2019 2018 Dollars in millions Technology Solutions     Energy Solutions     Other    (5 ) Subtotal    115 Non-strategic Business     Total gain on consolidation of Aspire entities $  $  $  $ 115 Segment operating income (loss): Government Solutions $ 90 $ 64 $ 160 $ 236 Technology Solutions 19 21 39 36 Energy Solutions 13 36 27 57 Other (30 ) (21 ) (56 ) (48 ) Subtotal 92 100 170 281 Non-strategic Business    (2 ) Total segment operating income (loss) $ 92 $ 100 $ 170 $ 279