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Consolidated Statements of Operations - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Revenue: |  |  |
Regulated | $ 3,109 | $ 3,310 | $ 3,240
Non-Regulated | 7,421 | 6,971 | 8,020
Total revenue | 10,530 | 10,281 | 11,260
Cost of Sales: |  |  |
Regulated | (2,656) | (2,844) | (3,074)
Non-Regulated | (5,410) | (5,057) | (5,523)
Total cost of sales | (8,066) | (7,901) | (8,597)
Operating margin | 2,464 | 2,380 | 2,663
General and administrative expenses | (215) | (194) | (196)
Interest expense | (1,170) | (1,134) | (1,145)
Interest income | 244 | 245 | 256
Loss on extinguishment of debt | (68) | (13) | (182)
Other expense | (57) | (79) | (24)
Other income | 120 | 64 | 84
Gain (loss) on disposal and sale of businesses | (52) | 29 | 29
Goodwill impairment expense | 0 | 0 | (317)
Asset impairment expense | (537) | (1,096) | (285)
Foreign currency transaction gains (losses) | 42 | (15) | 106
Other non-operating expense |  | 0 |
INCOME FROM CONTINUING OPERATIONS BEFORE TAXES AND EQUITY IN EARNINGS OF AFFILIATES | 771 | 187 | 989
Income tax expense | (990) | (32) | (412)
Net equity in earnings of affiliates | 71 | 36 | 105
INCOME (LOSS) FROM CONTINUING OPERATIONS | (148) | 191 | 682
Income (loss) from operations of discontinued businesses, net of income tax benefit (expense) of $(21), $229, and $(53), respectively | (18) | 151 | 80
Net loss from disposal and impairments of discontinued businesses, net of income tax benefit of $0, $266, and $0, respectively | (611) | (1,119) | 0
NET INCOME (LOSS) | (777) | (777) | 762
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest | 359 | 211 | 364
Noncontrolling interests: |  |  |
Less: Income from discontinued operations attributable to noncontrolling interests | (25) | (142) | (92)
Total net income attributable to noncontrolling interests and redeemable stock of subsidiaries | (398) | (364) |
NET INCOME (LOSS) ATTRIBUTABLE TO THE AES CORPORATION | (1,161) | (1,130) | 306
AMOUNTS ATTRIBUTABLE TO THE AES CORPORATION COMMON STOCKHOLDERS: |  |  |
Income (loss) from continuing operations, net of tax | (507) | (20) | 318
Loss from discontinued operations, net of tax | (654) | (1,110) | (12)
NET INCOME (LOSS) ATTRIBUTABLE TO THE AES CORPORATION | $ (1,161) | $ (1,130) | $ 306
BASIC EARNINGS PER SHARE: |  |  |
Income (loss) from continuing operations attributable to The AES Corporation common stockholders, net of tax | $ (0.77) | $ (0.04) | $ 0.46
Loss from discontinued operations attributable to The AES Corporation common stockholders, net of tax | (0.99) | (1.68) | (0.01)
NET INCOME (LOSS) ATTRIBUTABLE TO THE AES CORPORATION COMMON STOCKHOLDERS | (1.76) | (1.72) | 0.45
DILUTED EARNINGS PER SHARE: |  |  |
Income (loss) from continuing operations attributable to The AES Corporation common stockholders, net of tax | (0.77) | (0.04) | 0.46
Loss from discontinued operations attributable to The AES Corporation common stockholders, net of tax | (0.99) | (1.68) | (0.02)
NET INCOME (LOSS) ATTRIBUTABLE TO THE AES CORPORATION COMMON STOCKHOLDERS | (1.76) | (1.72) | 0.44
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share) | $ 0.49 | $ 0.45 | $ 0.41

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