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Schedule II - Valuation and Qualifying Accounts (Tables) | 12 Months Ended
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Dec. 31, 2011
Valuation and Qualifying Accounts Tables [Abstract] |
Valuation and Qualifying Accounts |
THE AES CORPORATION
SCHEDULE II
VALUATION AND QUALIFYING ACCOUNTS
(IN MILLIONS)
|  |  |  | Balance at |  | Charged |  |  |  |  |  |  |  | Balance at
|  |  |  | Beginning of |  | to Cost |  | Amounts |  | Translation |  | the End of
|  |  |  | the Period |  | and Expense |  | Written off |  | Adjustment |  | the Period
Allowance for accounts receivables |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| (current and noncurrent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, 2009 | . |  | $ | 239 |  | $ | 104 |  | $ | (109) |  | $ | 42 |  | $ | 276
Year ended December 31, 2010 | . |  |  | 276 |  |  | 53 |  |  | (37) |  |  | 3 |  |  | 295
Year ended December 31, 2011 | . |  |  | 295 |  |  | 43 |  |  | (41) |  |  | (24) |  |  | 273

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- Definition Schedule of any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References No definition available. + Details
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- Details
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Namespace Prefix: | aes_
Data Type: | xbrli:stringItemType
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Period Type: | duration