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Financial Statement Presentation New Accounting Pronouncement Adopted (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Jan. 01, 2019 | Dec. 31, 2018 | Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Total Revenue | $ 2,625 | $ 2,837 | $ 7,758 | $ 8,114 |  |  |
Cost of Goods and Services Sold | (1,924) | (2,166) | (5,969) | (6,187) |  |  |
Operating margin | 701 | 671 | 1,789 | 1,927 |  |  |
Interest income | 81 | 79 | 242 | 231 |  |  |
INCOME FROM CONTINUING OPERATIONS BEFORE TAXES AND EQUITY IN EARNINGS OF AFFILIATES | 424 | 332 | 896 | 1,672 |  |  |
Income tax expense | 130 | 146 | 302 | 509 |  |  |
INCOME FROM CONTINUING OPERATIONS | 298 | 192 | 597 | 1,194 |  |  |
NET INCOME | 298 | 191 | 598 | 1,384 |  |  |
NET INCOME (LOSS) ATTRIBUTABLE TO THE AES CORPORATION | 210 | 101 | 381 | 1,075 |  |  |
Other current assets | 856 |  | 856 |  |  | $ 807 |
Deferred income taxes | 135 |  | 135 |  |  | 97 |
Loan receivable | 1,370 |  | 1,370 |  |  | 1,423 |
TOTAL ASSETS | 33,423 |  | 33,423 |  |  | 32,521 |
Accrued and other liabilities | 951 |  | 951 |  | $ 989 | 962 |
Accumulated deficit | (614) |  | (614) |  |  | (1,005) |
Accumulated other comprehensive loss | (2,335) |  | (2,335) |  |  | (2,071) |
NONCONTROLLING INTERESTS | 2,246 |  | 2,246 |  |  | 2,396 |
TOTAL LIABILITIES AND EQUITY | 33,423 |  | 33,423 |  |  | 32,521 |
Cash and Cash Equivalents, at Carrying Value | (1,145) |  | (1,145) |  |  | (1,166) |
Restricted Cash and Cash Equivalents, Current | (455) |  | (455) |  |  | (370) |
Debt service reserves and other deposits | 241 |  | 241 |  |  | 467 |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 1,841 | $ 2,122 | 1,841 | $ 2,122 |  | 2,003 | $ 1,788
Financing Receivable, after Allowance for Credit Loss | 73 |  | 73 |  |  | 116 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 524 |  | 524 |  |  | 578 |
Accounting Standards Update 2016-13 [Member] |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Accounts Receivable, before Allowance for Credit Loss, Current | 1,500 |  | 1,500 |  |  |  |
Loan receivable | 1,400 |  | 1,400 |  |  |  |
Retained Earnings [Member] | Accounting Standards Update 2017-12 [Member] |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets |  |  |  |  | 4 |  |
Retained Earnings [Member] | Accounting Standards Update 2014-09 [Member] |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets |  |  |  |  | $ 6 |  |
Debt Securities [Member] |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 265 |  | 265 |  |  | 248 |
Debt Securities [Member] | Accounting Standards Update 2016-13 [Member] |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 265 |  | 265 |  |  |  |
ARGENTINA |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Financing Receivable, after Allowance for Credit Loss | 65 |  | 65 |  |  | $ 93 |
ARGENTINA | Accounting Standards Update 2016-13 [Member] |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Financing Receivable, after Allowance for Credit Loss | $ 65 |  | $ 65 |  |  |  |

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