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v2.4.1.9

Equity Equity (Dividends) (Details) (USD $) In Millions, except Share data, unless otherwise specified | 0 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended | 54 Months Ended | 2 Months Ended | 56 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 12, 2014 | Jul. 31, 2014 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2014 | Feb. 25, 2015 | Feb. 25, 2015 | Feb. 20, 2015
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid |  |  | $ 0.05 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.05 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.05 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.05 us-gaap_CommonStockDividendsPerShareCashPaid |  |  |  |  |  |  |  |  |  |  |
Dividends declared on common stock (per share amount) | $ 0.10 us-gaap_CommonStockDividendsPerShareDeclared |  | $ 0.15 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.05 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.05 us-gaap_CommonStockDividendsPerShareDeclared | $ 0 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.09 us-gaap_CommonStockDividendsPerShareDeclared | $ 0 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.08 us-gaap_CommonStockDividendsPerShareDeclared | $ 0 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.25 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.17 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.08 us-gaap_CommonStockDividendsPerShareDeclared |  |  |  |
Stock repurchase program, additional authorized amount |  | $ 140 aes_Stockrepurchaseprogramadditionalauthorizedamount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Value, Acquired, Cost Method |  | 1,300 us-gaap_TreasuryStockValueAcquiredCostMethod |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for Repurchase of Common Stock |  |  |  |  |  |  |  |  |  |  | 308 us-gaap_PaymentsForRepurchaseOfCommonStock | 322 us-gaap_PaymentsForRepurchaseOfCommonStock | 301 us-gaap_PaymentsForRepurchaseOfCommonStock | 1,300 us-gaap_PaymentsForRepurchaseOfCommonStock |  |  |
Treasury Stock, Shares, Acquired |  |  |  |  |  |  |  |  |  |  | 21,900,246 us-gaap_TreasuryStockSharesAcquired |  |  | 105,912,477 us-gaap_TreasuryStockSharesAcquired |  |  |
Treasury Stock Acquired, Average Cost Per Share |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12.37 us-gaap_TreasuryStockAcquiredAverageCostPerShare |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  | 24 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 |  |  |  |  |  |  |  | 24 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 |  |  | 24 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 |  |  |
Treasury stock, shares (in shares) |  |  | 110,687,849 us-gaap_TreasuryStockShares |  |  |  | 90,808,168 us-gaap_TreasuryStockShares |  |  |  | 110,687,849 us-gaap_TreasuryStockShares | 90,808,168 us-gaap_TreasuryStockShares |  | 110,687,849 us-gaap_TreasuryStockShares |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for Repurchase of Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24 us-gaap_PaymentsForRepurchaseOfCommonStock / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember | 1,300 us-gaap_PaymentsForRepurchaseOfCommonStock / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
Treasury Stock, Shares, Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,892,432 us-gaap_TreasuryStockSharesAcquired / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember | 107,804,909 us-gaap_TreasuryStockSharesAcquired / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
Treasury Stock Acquired, Average Cost Per Share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12.37 us-gaap_TreasuryStockAcquiredAverageCostPerShare / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember | 400 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 400 us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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