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v3.3.1.900

Subsequent Event Subsequent Events (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |  |  | 2 Months Ended | 12 Months Ended | 66 Months Ended | 68 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 15, 2016 | Jan. 27, 2016 | Feb. 23, 2016 | Dec. 31, 2015 | Dec. 31, 2013 | Dec. 31, 2015 | Feb. 23, 2016 | Feb. 11, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired |  |  |  | 39.7 |  | 145.6 |  |
Treasury Stock, Value, Acquired, Cost Method |  |  |  | $ 0 | $ 0 | $ 1,800 |  |
Stock Repurchase Program, Authorized Amount |  |  |  | 2,100 |  | $ 2,100 |  |
Treasury Stock Acquired, Average Cost Per Share |  |  |  |  |  | $ 12.31 |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  |  | $ 343 |  | $ 343 |  |
AES US Investment, Inc. |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Investment In Affiliate Ownership Percentage Sold |  |  |  |  |  |  |  | 15.00%
Subsequent Event |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired |  |  | 8.7 |  |  |  | 154.3 |
Treasury Stock, Value, Acquired, Cost Method |  |  | $ 79 |  |  |  | $ 1,900 |
Treasury Stock Acquired, Average Cost Per Share |  |  |  |  |  |  | $ 12.12 |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  | 264 |  |  |  | $ 264 |
Extinguishment of Debt, Amount |  |  | $ 125 |  |  |  |  |
IPP4 [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsequent Event |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Sale of Stock, Percentage of Ownership after Transaction | 36.00% |  |  |  |  |  |  |
Proceeds from Divestiture of Businesses | $ 21 |  |  |  |  |  |  |
Kelanitissa [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsequent Event |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Proceeds from Divestiture of Businesses |  | $ 18 |  |  |  |  |  |

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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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