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Equity Reclassifications Out of AOCL (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
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Mar. 31, 2014 | Mar. 31, 2013
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Non-regulated revenue | $ 2,120 |  | $ 2,011 |
Regulated cost of sales | (1,932) |  | (1,787) |
Non-regulated cost of sales | (1,536) |  | (1,614) |
Interest expense | (373) |  | (370) |
Gain on sale of investments | 1 |  | 3 |
Foreign currency transaction losses | (19) |  | (30) |
INCOME FROM CONTINUING OPERATIONS BEFORE TAXES AND EQUITY IN EARNINGS OF AFFILIATES | 118 |  | 310 |
Income tax expense | (54) |  | (83) |
Net equity in earnings of affiliates | 25 |  | 4 |
INCOME FROM CONTINUING OPERATIONS | 89 |  | 231 |
Income from continuing operations attributable to noncontrolling interests | (136) |  | (119) |
Net loss from disposal and impairments of discontinued businesses | (43) |  | (36) | [1]
NET (LOSS) INCOME ATTRIBUTABLE TO THE AES CORPORATION | (58) |  | 82 |
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
NET (LOSS) INCOME ATTRIBUTABLE TO THE AES CORPORATION | (27) | [2] | (22) | [2]
Unrealized Derivative Losses, Net [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Non-regulated revenue | 13 | [2] | 0 | [2]
Non-regulated cost of sales | 1 | [2] | (1) | [2]
Interest expense | (32) | [2] | (35) | [2]
Foreign currency transaction losses | (3) | [2] | 7 | [2]
INCOME FROM CONTINUING OPERATIONS BEFORE TAXES AND EQUITY IN EARNINGS OF AFFILIATES | (21) | [2] | (29) | [2]
Income tax expense | 3 | [2] | 7 | [2]
Net equity in earnings of affiliates | (1) | [2] | (2) | [2]
INCOME FROM CONTINUING OPERATIONS | (19) | [2] | (24) | [2]
Income from continuing operations attributable to noncontrolling interests | 0 | [2] | 2 | [2]
NET (LOSS) INCOME ATTRIBUTABLE TO THE AES CORPORATION | (19) | [2] | (22) | [2]
Amortization Of Defined Benefit Pension Actuarial Loss, Net [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Regulated cost of sales | (8) | [2] | (20) | [2]
Non-regulated cost of sales | (1) | [2] | (1) | [2]
INCOME FROM CONTINUING OPERATIONS BEFORE TAXES AND EQUITY IN EARNINGS OF AFFILIATES | (9) | [2] | (21) | [2]
Income tax expense | 3 | [2] | 7 | [2]
INCOME FROM CONTINUING OPERATIONS | (6) | [2] | (14) | [2]
Income from continuing operations attributable to noncontrolling interests | 4 | [2] | 11 | [2]
NET (LOSS) INCOME ATTRIBUTABLE TO THE AES CORPORATION | (2) | [2] | (3) | [2]
Foreign Currency Translation Adjustment, Net [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |
Reclassifications Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Gain on sale of investments | 0 | [2] | 3 | [2]
Net loss from disposal and impairments of discontinued businesses | (6) | [2] | 0 | [2]
NET (LOSS) INCOME ATTRIBUTABLE TO THE AES CORPORATION | $ (6) | [2] | $ 3 | [2]
[1] | Includes the results of operations of our Ukraine utility businesses, which were sold in April 2013.
[2] | Amounts in parentheses indicate debits to the condensed consolidated statement of operations.

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