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Schedule I - Condensed Financial Information of Parent Schedule I - Condensed Financial Information of Parent (Statement of Operations) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Condensed Income Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest income |  |  |  |  |  |  |  |  | $ 275 | $ 348 | $ 398
General and administrative expenses |  |  |  |  |  |  |  |  | 220 | 274 | 346
Other income |  |  |  |  |  |  |  |  | 125 | 98 | 142
Other expense |  |  |  |  |  |  |  |  | (76) | (82) | (86)
Loss on extinguishment of debt |  |  |  |  |  |  |  |  | (229) | (8) | (62)
Interest expense |  |  |  |  |  |  |  |  | (1,482) | (1,544) | (1,530)
Income tax benefit (expense) |  |  |  |  |  |  |  |  | 343 | 685 | 656
NET INCOME (LOSS) ATTRIBUTABLE TO THE AES CORPORATION | (206) | 71 | 167 | 82 | 175 | (1,568) | 140 | 341 | 114 | (912) | 58
Parent Company |  |  |  |  |  |  |  |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue from subsidiaries and affiliates |  |  |  |  |  |  |  |  | 32 | 20 | 59
Equity in earnings (loss) of subsidiaries and affiliates |  |  |  |  |  |  |  |  | 498 | (437) | 352
Interest income |  |  |  |  |  |  |  |  | 66 | 119 | 158
General and administrative expenses |  |  |  |  |  |  |  |  | 171 | 213 | 227
Other income |  |  |  |  |  |  |  |  | 14 | 99 | 4
Other expense |  |  |  |  |  |  |  |  | (11) | (15) | (18)
Loss on extinguishment of debt |  |  |  |  |  |  |  |  | (165) | (4) | 0
Interest expense |  |  |  |  |  |  |  |  | (436) | (502) | (444)
Income (loss) before income taxes |  |  |  |  |  |  |  |  | (173) | (933) | (116)
Income tax benefit (expense) |  |  |  |  |  |  |  |  | (287) | (21) | (174)
NET INCOME (LOSS) ATTRIBUTABLE TO THE AES CORPORATION |  |  |  |  |  |  |  |  | $ 114 | $ (912) | $ 58

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