$AES
AES CORP Stock $aes

$aes Overview Financials Valuation SEC Filings Company Website

2020 Form 10-K Financial Statement

#000087476121000015 Filed on February 25, 2021

Income Statement

Concept	2020	2019 Q4	2019 Q3
Revenue	$9.660B	$2.431B	$2.625B
YoY Change	-5.19%	-7.28%	-7.47%
Cost Of Revenue	$6.967B	$1.871B	$1.924B
YoY Change	-11.14%	-5.31%	-11.17%
Gross Profit	$2.693B	$560.0M	$701.0M
YoY Change	14.64%	-13.31%	4.47%
Gross Profit Margin	27.88%	23.04%	26.7%
Selling, General & Admin	$165.0M	$60.00M	$41.00M
YoY Change	-15.82%	3.45%	-4.65%
% of Gross Profit	6.13%	10.71%	5.85%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.004B	$271.0M	$262.0M
YoY Change	2.76%	16.31%	1.55%
% of Gross Profit	37.28%	48.39%	37.38%
Operating Expenses	$167.0M	$57.00M	$40.00M
YoY Change	-12.57%	-9.52%	-4.76%
Operating Profit	$2.526B	$503.0M	$661.0M
YoY Change	17.05%	-13.72%	5.09%
Interest Expense	$1.038B	-$165.0M	$250.0M
YoY Change	-1.14%	111.54%	-1.96%
% of Operating Profit	41.09%	-32.8%	37.82%
Other Income/Expense, Net	$53.00M	-$92.00M	$9.000M
YoY Change	-33.75%	-37.41%	-68.97%
Pretax Income	-$192.0M	$105.0M	-$124.0M
YoY Change	-30.69%	-69.65%	6.9%
Income Tax	$216.0M	$50.00M	$130.0M
% Of Pretax Income		47.62%
Net Earnings	$46.00M	-$78.00M	$210.0M
YoY Change	-84.82%	-160.94%	107.92%
Net Earnings / Revenue	0.48%	-3.21%	8.0%
Basic Earnings Per Share	$0.07	-$0.12	$0.32
Diluted Earnings Per Share	$0.07	-$0.12	$0.32
COMMON SHARES
Basic Shares Outstanding	665.0M shares	663.9M shares	664.0M shares
Diluted Shares Outstanding	668.0M shares		667.0M shares

Balance Sheet

Concept	2020	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.424B	$1.429B	$1.479B
YoY Change	-0.35%	-3.38%	-6.86%
Cash & Equivalents	$1.089B	$1.029B	$1.145B
Short-Term Investments	$335.0M	$400.0M	$334.0M
Other Short-Term Assets	$2.229B	$802.0M	$856.0M
YoY Change	21.41%	-0.62%	21.25%
Inventory	$461.0M	$487.0M	$495.0M
Prepaid Expenses		$80.00M	$72.00M
Receivables	$1.300B	$1.479B	$1.503B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$5.414B	$5.231B	$5.470B
YoY Change	3.5%	4.31%	9.07%
LONG-TERM ASSETS
Property, Plant & Equipment	$23.10B	$22.57B	$21.85B
YoY Change	1.22%	5.51%	3.53%
Goodwill		$1.059B	$1.059B
YoY Change		0.0%	0.0%
Intangibles		$469.0M	$462.0M
YoY Change		7.57%	15.5%
Long-Term Investments	$835.0M	$966.0M	$98.00M
YoY Change	-13.56%	-13.29%	-92.33%
Other Assets	$3.365B	$1.635B	$1.624B
YoY Change	92.29%	7.99%	1.06%
Total Long-Term Assets	$29.19B	$28.42B	$27.95B
YoY Change	2.72%	3.31%	1.74%
TOTAL ASSETS
Total Short-Term Assets	$5.414B	$5.231B	$5.470B
Total Long-Term Assets	$29.19B	$28.42B	$27.95B
Total Assets	$34.60B	$33.65B	$33.42B
YoY Change	2.84%	3.47%	2.87%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.156B	$1.311B	$1.237B
YoY Change	-11.82%	-1.35%	-4.77%
Accrued Expenses	$1.671B	$987.0M	$951.0M
YoY Change	23.87%	2.6%	-17.38%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.430B	$1.868B	$1.882B
YoY Change	-23.45%	12.6%	43.88%
Total Short-Term Liabilities	$5.362B	$5.096B	$4.991B
YoY Change	5.22%	15.84%	23.33%
LONG-TERM LIABILITIES
Long-Term Debt	$18.45B	$18.31B	$17.88B
YoY Change	0.8%	3.79%	-1.16%
Other Long-Term Liabilities	$4.098B	$2.917B	$3.083B
YoY Change	40.49%	7.12%	20.81%
Total Long-Term Liabilities	$22.55B	$22.44B	$22.16B
YoY Change	6.25%	3.68%	1.4%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.362B	$5.096B	$4.991B
Total Long-Term Liabilities	$22.55B	$22.44B	$22.16B
Total Liabilities	$31.97B	$27.53B	$27.15B
YoY Change	4.3%	5.73%	4.83%
SHAREHOLDERS EQUITY
Retained Earnings		-$692.0M	-$614.0M
YoY Change		-31.14%	-45.81%
Common Stock		$8.000M	$8.000M
YoY Change		0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$1.867B	$1.867B
YoY Change		-0.59%	-0.59%
Treasury Stock Shares		153.9M shares	153.9M shares
Shareholders Equity	$2.634B	$2.996B	$3.140B
YoY Change
Total Liabilities & Shareholders Equity	$34.60B	$33.65B	$33.42B
YoY Change	2.84%	3.47%	2.87%

Cashflow Statement

Concept	2020	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$46.00M	-$78.00M	$210.0M
YoY Change	-84.82%	-160.94%	107.92%
Depreciation, Depletion And Amortization	$1.004B	$271.0M	$262.0M
YoY Change	2.76%	16.31%	1.55%
Cash From Operating Activities	$2.755B	$684.0M	$753.0M
YoY Change	11.72%	0.59%	-0.13%
INVESTING ACTIVITIES
Capital Expenditures	$1.900B	-$777.0M	-$558.0M
YoY Change	-21.0%	46.88%	-6.69%
Acquisitions
YoY Change
Other Investing Activities	$40.00M	-$233.0M	-$40.00M
YoY Change	-130.3%	-208.88%	-113.89%
Cash From Investing Activities	-$2.295B	-$1.010B	-$598.0M
YoY Change	-15.66%	220.63%	92.9%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$78.00M	47.00M	-241.0M
YoY Change	-9.3%	-109.79%	-44.47%
NET CHANGE
Cash From Operating Activities	$2.755B	684.0M	753.0M
Cash From Investing Activities	-$2.295B	-1.010B	-598.0M
Cash From Financing Activities	-$78.00M	47.00M	-241.0M
Net Change In Cash	$255.0M	-279.0M	-86.00M
YoY Change	-159.16%	142.61%	-960.0%
FREE CASH FLOW
Cash From Operating Activities	$2.755B	$684.0M	$753.0M
Capital Expenditures	$1.900B	-$777.0M	-$558.0M
Free Cash Flow	$855.0M	$1.461B	$1.311B
YoY Change	1301.64%	20.84%	-3.03%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000874761
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	1-12291
CY2020	dei	Entity Registrant Name EntityRegistrantName	THE AES CORPORATION
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	54-1163725
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	4300 Wilson Boulevard
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Arlington,
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	VA
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	22203
CY2020	dei	City Area Code CityAreaCode	(703)
CY2020	dei	Local Phone Number LocalPhoneNumber	522-1315
CY2020	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
CY2020	dei	Trading Symbol TradingSymbol	AES
CY2020	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2020	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	75000000	USD
CY2019	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	145000000	USD
CY2018	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	72000000	USD
CY2020	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-95000000	USD
CY2019	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	28000000	USD
CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	984000000	USD
CY2020	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	864000000	USD
CY2019	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	185000000	USD
CY2018	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	208000000	USD
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	55000000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-67000000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-72000000	USD
CY2020	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	202000000	USD
CY2019	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	92000000	USD
CY2018	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	147000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	488000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1001000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2018000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	216000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	352000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	708000000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-123000000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-172000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	39000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	149000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	477000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1349000000	USD
CY2020	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Discontinued Operation During Phase Out Period DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod	0	USD
CY2019	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Discontinued Operation During Phase Out Period DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod	0	USD
CY2018	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Discontinued Operation During Phase Out Period DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod	-2000000	USD
CY2020	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	0	USD
CY2019	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	0	USD
CY2018	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	-9000000	USD
CY2020	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation	0	USD
CY2019	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation	0	USD
CY2018	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation	-44000000	USD
CY2020	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	3000000	USD
CY2019	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	1000000	USD
CY2018	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	225000000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	152000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	478000000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	1565000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	106000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	175000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	364000000	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	-2000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	46000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	303000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1203000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	43000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	302000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	985000000	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	3000000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	218000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	46000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	303000000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1203000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.06
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.46
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.49
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.33
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.82
CY2020	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.06
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.45
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.48
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.01
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.33
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.07
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.81
CY2020	us-gaap	Profit Loss ProfitLoss	152000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	478000000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	1565000000	USD
CY2020	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	8000000	USD
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	-1000000	USD
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	-2000000	USD
CY2020	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-52000000	USD
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-33000000	USD
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-161000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	-192000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	-23000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	21000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	140000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-10000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-182000000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	110000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	74000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	27000000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-368000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-265000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-67000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-17000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-12000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-24000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-74000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-42000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-93000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-294000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-223000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	26000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	1000000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	-1000000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	-1000000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	2000000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	4000000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	10000000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	1000000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-14000000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-23000000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-1000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-13000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-2000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	28000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	8000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	13000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-6000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-5000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-167000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-227000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-151000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1414000000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-15000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	251000000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-4000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	102000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	425000000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-11000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	149000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	989000000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.53
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.5528
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.5804
CY2020	us-gaap	Profit Loss ProfitLoss	152000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	478000000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	1565000000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1068000000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1045000000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1003000000	USD
CY2020	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-95000000	USD
CY2019	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	28000000	USD
CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	984000000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1066000000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	277000000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	355000000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-233000000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-8000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	313000000	USD
CY2020	aes	Provisions For Reversals Of Contingencies ProvisionsForReversalsOfContingencies	186000000	USD
CY2019	aes	Provisions For Reversals Of Contingencies ProvisionsForReversalsOfContingencies	-3000000	USD
CY2018	aes	Provisions For Reversals Of Contingencies ProvisionsForReversalsOfContingencies	-14000000	USD
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	186000000	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	169000000	USD
CY2018	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	188000000	USD
CY2020	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	19000000	USD
CY2019	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-54000000	USD
CY2018	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-27000000	USD
CY2020	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	0	USD
CY2019	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	0	USD
CY2018	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	269000000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-128000000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-194000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-48000000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-208000000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-321000000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-269000000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-48000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-73000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	206000000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	20000000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-28000000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	36000000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-13000000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-42000000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	22000000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	134000000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	20000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	32000000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-186000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-6000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	62000000	USD
CY2020	aes	Increase Decrease In Income Tax And Other Tax Payables Net IncreaseDecreaseInIncomeTaxAndOtherTaxPayablesNet	59000000	USD
CY2019	aes	Increase Decrease In Income Tax And Other Tax Payables Net IncreaseDecreaseInIncomeTaxAndOtherTaxPayablesNet	-83000000	USD
CY2018	aes	Increase Decrease In Income Tax And Other Tax Payables Net IncreaseDecreaseInIncomeTaxAndOtherTaxPayablesNet	-7000000	USD
CY2020	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	431000000	USD
CY2019	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	28000000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-12000000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	79000000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-101000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	67000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2755000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2466000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2343000000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1900000000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2405000000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2121000000	USD
CY2020	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	136000000	USD
CY2019	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	192000000	USD
CY2018	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	66000000	USD
CY2020	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	169000000	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	178000000	USD
CY2018	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	2020000000	USD
CY2020	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	627000000	USD
CY2019	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	666000000	USD
CY2018	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	1302000000	USD
CY2020	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	653000000	USD
CY2019	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	770000000	USD
CY2018	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1411000000	USD
CY2020	us-gaap	Payments For Advance To Affiliate PaymentsForAdvanceToAffiliate	332000000	USD
CY2019	us-gaap	Payments For Advance To Affiliate PaymentsForAdvanceToAffiliate	324000000	USD
CY2018	us-gaap	Payments For Advance To Affiliate PaymentsForAdvanceToAffiliate	145000000	USD
CY2020	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	9000000	USD
CY2019	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	150000000	USD
CY2018	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	17000000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	79000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	24000000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	101000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2295000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2721000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-505000000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	2420000000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	2026000000	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	1865000000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	2479000000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	1735000000	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	2238000000	USD
CY2020	aes	Issuance Of Recourse Debt IssuanceOfRecourseDebt	3419000000	USD
CY2019	aes	Issuance Of Recourse Debt IssuanceOfRecourseDebt	0	USD
CY2018	aes	Issuance Of Recourse Debt IssuanceOfRecourseDebt	1000000000	USD
CY2020	aes	Repayments Of Recourse Debt RepaymentsOfRecourseDebt	3366000000	USD
CY2019	aes	Repayments Of Recourse Debt RepaymentsOfRecourseDebt	450000000	USD
CY2018	aes	Repayments Of Recourse Debt RepaymentsOfRecourseDebt	1933000000	USD
CY2020	aes	Proceeds From Issuance Of Nonrecourse Debt ProceedsFromIssuanceOfNonrecourseDebt	4680000000	USD
CY2019	aes	Proceeds From Issuance Of Nonrecourse Debt ProceedsFromIssuanceOfNonrecourseDebt	5828000000	USD
CY2018	aes	Proceeds From Issuance Of Nonrecourse Debt ProceedsFromIssuanceOfNonrecourseDebt	1928000000	USD
CY2020	aes	Repayments Of Nonrecourse Debt RepaymentsOfNonrecourseDebt	4136000000	USD
CY2019	aes	Repayments Of Nonrecourse Debt RepaymentsOfNonrecourseDebt	4831000000	USD
CY2018	aes	Repayments Of Nonrecourse Debt RepaymentsOfNonrecourseDebt	1411000000	USD
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	107000000	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	126000000	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	39000000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	422000000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	427000000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	340000000	USD
CY2020	aes	Acquisitions Of Noncontrolling Interests AcquisitionsOfNoncontrollingInterests	259000000	USD
CY2019	aes	Acquisitions Of Noncontrolling Interests AcquisitionsOfNoncontrollingInterests	0	USD
CY2018	aes	Acquisitions Of Noncontrolling Interests AcquisitionsOfNoncontrollingInterests	0	USD
CY2020	aes	Sales To Noncontrolling Interests SalesToNoncontrollingInterests	553000000	USD
CY2019	aes	Sales To Noncontrolling Interests SalesToNoncontrollingInterests	128000000	USD
CY2018	aes	Sales To Noncontrolling Interests SalesToNoncontrollingInterests	95000000	USD
CY2020	aes	Issuance Of Preferred Shares In Subsidiaries IssuanceOfPreferredSharesInSubsidiaries	112000000	USD
CY2019	aes	Issuance Of Preferred Shares In Subsidiaries IssuanceOfPreferredSharesInSubsidiaries	0	USD
CY2018	aes	Issuance Of Preferred Shares In Subsidiaries IssuanceOfPreferredSharesInSubsidiaries	0	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	381000000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	362000000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	344000000	USD
CY2020	aes	Payments For Financed Capital Expenditures PaymentsForFinancedCapitalExpenditures	60000000	USD
CY2019	aes	Payments For Financed Capital Expenditures PaymentsForFinancedCapitalExpenditures	146000000	USD
CY2018	aes	Payments For Financed Capital Expenditures PaymentsForFinancedCapitalExpenditures	275000000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-52000000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	9000000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	49000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-78000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-86000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1643000000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-24000000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-18000000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-54000000	USD
CY2020	aes	Net Cash Change Of Discontinued And Held For Sale Businesses NetCashChangeOfDiscontinuedAndHeldForSaleBusinesses	-103000000	USD
CY2019	aes	Net Cash Change Of Discontinued And Held For Sale Businesses NetCashChangeOfDiscontinuedAndHeldForSaleBusinesses	-72000000	USD
CY2018	aes	Net Cash Change Of Discontinued And Held For Sale Businesses NetCashChangeOfDiscontinuedAndHeldForSaleBusinesses	74000000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	255000000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-431000000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	215000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1572000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2003000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1788000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1827000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1572000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2003000000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	908000000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	946000000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	1003000000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	333000000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	363000000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	370000000	USD
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	100000000	USD
CY2019Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	95000000	USD
CY2018Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	90000000	USD
CY2020	aes	Non Cash Refinancingof Nonrecourse Debt NonCashRefinancingofNonrecourseDebt	0	USD
CY2019	aes	Non Cash Refinancingof Nonrecourse Debt NonCashRefinancingofNonrecourseDebt	1081000000	USD
CY2018	aes	Non Cash Refinancingof Nonrecourse Debt NonCashRefinancingofNonrecourseDebt	0	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	119000000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	16000000	USD
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">USE OF ESTIMATES </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">— U.S. GAAP requires the Company to make estimates and assumptions that affect the asset and liability balances reported as of the date of the consolidated financial statements, as well as the revenues and expenses recognized during the reporting period. Actual results could differ from those estimates. Items subject to such estimates and assumptions include: the carrying amount and estimated useful lives of long-lived assets; asset retirement obligations; impairment of goodwill, long-lived assets and equity method investments; valuation allowances for receivables and deferred tax assets; the recoverability of regulatory assets; regulatory liabilities; the fair value of financial instruments; the fair value of assets and liabilities acquired as business combinations or as asset acquisitions by variable interest entities; contingent consideration arising from business combinations or asset acquisitions by variable interest entities; the measurement of equity method investments or noncontrolling interest using the HLBV method for certain renewable generation partnerships; pension liabilities; the incremental borrowing rates used in the determination of lease liabilities; the determination of lease and non-lease components in certain generation contracts; environmental liabilities; and potential litigation claims and settlements.</span>
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1089000000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1029000000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	297000000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	336000000	USD
CY2020Q4	aes	Debt Service Reserves And Other Deposits DebtServiceReservesAndOtherDeposits	441000000	USD
CY2019Q4	aes	Debt Service Reserves And Other Deposits DebtServiceReservesAndOtherDeposits	207000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1827000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1572000000	USD
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	20000000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1479000000	USD
CY2020Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1479000000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	802000000	USD
CY2020Q1	us-gaap	Other Assets Current OtherAssetsCurrent	800000000	USD
CY2020Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	32000000	USD
CY2019Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	1351000000	USD
CY2020Q1	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	1319000000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1635000000	USD
CY2020Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1605000000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-692000000	USD
CY2020Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-731000000	USD
CY2019Q4	us-gaap	Minority Interest MinorityInterest	2233000000	USD
CY2020Q1	us-gaap	Minority Interest MinorityInterest	2217000000	USD
CY2020Q1	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	68000000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	12000000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	9000000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	0	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Loss Foreign Currency Translation FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation	-9000000	USD
CY2020Q4	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	62000000	USD
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	16000000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	4000000	USD
CY2019Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1767000000	USD
CY2019Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	989000000	USD
CY2019Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2949000000	USD
CY2020Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	223000000	USD
CY2019Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	230000000	USD
CY2020Q4	us-gaap	Inventory Supplies Net Of Reserves InventorySuppliesNetOfReserves	238000000	USD
CY2019Q4	us-gaap	Inventory Supplies Net Of Reserves InventorySuppliesNetOfReserves	257000000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	461000000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	487000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	26707000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	25383000000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8472000000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8505000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	18235000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	16878000000	USD
CY2020	us-gaap	Depreciation Depreciation	1004000000	USD
CY2019	us-gaap	Depreciation Depreciation	977000000	USD
CY2018	us-gaap	Depreciation Depreciation	960000000	USD
CY2020	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	307000000	USD
CY2019	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	238000000	USD
CY2018	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	199000000	USD
CY2020Q4	aes	Property Plant And Equipment Net Of Accumulated Depreciation Mortgaged Pledged Or Subject To Liens PropertyPlantAndEquipmentNetOfAccumulatedDepreciationMortgagedPledgedOrSubjectToLiens	10000000000	USD
CY2020Q4	aes	Property Plant And Equipment Electric Generation Distribution Assets And Other Net Held For Sale PropertyPlantAndEquipmentElectricGenerationDistributionAssetsAndOtherNetHeldForSale	18235000000	USD
CY2019Q4	aes	Property Plant And Equipment Electric Generation Distribution Assets And Other Net Held For Sale PropertyPlantAndEquipmentElectricGenerationDistributionAssetsAndOtherNetHeldForSale	16878000000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	428000000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	415000000	USD
CY2020	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	42000000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	19000000	USD
CY2020	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	20000000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	12000000	USD
CY2020	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	22000000	USD
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	21000000	USD
CY2020	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	3000000	USD
CY2019	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	58000000	USD
CY2020	aes	Asset Retirement Obligations Saleof Plants AssetRetirementObligationsSaleofPlants	-13000000	USD
CY2019	aes	Asset Retirement Obligations Saleof Plants AssetRetirementObligationsSaleofPlants	-71000000	USD
CY2020	aes	Asset Retirement Obligation Other AssetRetirementObligationOther	0	USD
CY2019	aes	Asset Retirement Obligation Other AssetRetirementObligationOther	-2000000	USD
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	462000000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	428000000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	527000000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	580000000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	679000000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	424000000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	582000000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	663000000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	1403000000	USD
CY2019Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-102000000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	-70000000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	-17000000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	6000000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3	2000000	USD
CY2020Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-90000000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Period Increase Decrease FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPeriodIncreaseDecrease	35000000	USD
CY2018Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	63000000	USD
CY2019	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	68000000	USD
CY2019	aes	Fair Value Measurements With Unobservable Inputs Reconciliation Recurring Basis Regulatory Assets Liabilities FairValueMeasurementsWithUnobservableInputsReconciliationRecurringBasisRegulatoryAssetsLiabilities	-5000000	USD
CY2019	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	13000000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	13000000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	48000000	USD
CY2019Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-102000000	USD
CY2019	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Period Increase Decrease FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPeriodIncreaseDecrease	-69000000	USD
CY2020Q4	aes	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assets Liabilities Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsLiabilitiesValue	-90000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	189000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	171000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	679000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	424000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	189000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	679000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	171000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	424000000	USD
CY2020Q4	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	6000000	USD
CY2019Q4	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	0	USD
CY2020Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	6000000	USD
CY2019Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	110000000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	9000000	USD
CY2020Q4	us-gaap	Notes Receivable Net NotesReceivableNet	101000000	USD
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	109000000	USD
CY2020	aes	Numberof Foninvemem Agreements NumberofFoninvememAgreements	3	agreement
CY2020	aes	Foninvemem Agreement Collection Period FoninvememAgreementCollectionPeriod	P10Y
CY2020Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	835000000	USD
CY2019Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	966000000	USD
CY2020Q4	aes	Undistributed Earnings Of Minority Owned Affiliates Included In Retained Earnings UndistributedEarningsOfMinorityOwnedAffiliatesIncludedInRetainedEarnings	120000000	USD
CY2020	aes	Distributions Received From Minority Owned Affiliates DistributionsReceivedFromMinorityOwnedAffiliates	14000000	USD
CY2019	aes	Distributions Received From Minority Owned Affiliates DistributionsReceivedFromMinorityOwnedAffiliates	23000000	USD
CY2018	aes	Distributions Received From Minority Owned Affiliates DistributionsReceivedFromMinorityOwnedAffiliates	83000000	USD
CY2020Q4	aes	Basis Difference Between Carrying Amount And Investment BasisDifferenceBetweenCarryingAmountAndInvestment	150000000	USD
CY2019Q4	us-gaap	Goodwill Gross GoodwillGross	3670000000	USD
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	2611000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	1059000000	USD
CY2020Q4	us-gaap	Goodwill Gross GoodwillGross	3672000000	USD
CY2020Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	2611000000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	1061000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1070000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	330000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	740000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	707000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	307000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	400000000	USD
CY2020Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	87000000	USD
CY2020Q4	aes	Indefinitelivedintangibleassets Amortization IndefinitelivedintangibleassetsAmortization	0	USD
CY2020Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	87000000	USD
CY2019Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	69000000	USD
CY2019Q4	aes	Indefinitelivedintangibleassets Amortization IndefinitelivedintangibleassetsAmortization	0	USD
CY2019Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	69000000	USD
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	1157000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	330000000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	827000000	USD
CY2019Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	776000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	307000000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	469000000	USD
CY2020	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	454000000	USD
CY2019	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	121000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	70000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	64000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	59000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	53000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	50000000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	54000000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	45000000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	47000000	USD
CY2020Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	113000000	USD
CY2019Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	113000000	USD
CY2020	us-gaap	Remaining Recovery Period Of Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided1 RemainingRecoveryPeriodOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided1	P6Y
CY2020Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	587000000	USD
CY2019Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	530000000	USD
CY2020Q4	us-gaap	Regulatory Assets RegulatoryAssets	700000000	USD
CY2019Q4	us-gaap	Regulatory Assets RegulatoryAssets	643000000	USD
CY2020	aes	Remaining Recovery Periodof Regulatory Liabilities RemainingRecoveryPeriodofRegulatoryLiabilities	P1Y
CY2020Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	48000000	USD
CY2019Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	81000000	USD
CY2020Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1058000000	USD
CY2019Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1090000000	USD
CY2020Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	1106000000	USD
CY2019Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	1171000000	USD
CY2020Q4	aes	Nonrecourse Debtexcluding Finance Lease Liabilities NonrecourseDebtexcludingFinanceLeaseLiabilities	16354000000	USD
CY2019Q4	aes	Nonrecourse Debtexcluding Finance Lease Liabilities NonrecourseDebtexcludingFinanceLeaseLiabilities	16712000000	USD
CY2020Q4	aes	Non Recourse Debtexcluding Finance Lease Liabilities Current NonRecourseDebtexcludingFinanceLeaseLiabilitiesCurrent	1426000000	USD
CY2019Q4	aes	Non Recourse Debtexcluding Finance Lease Liabilities Current NonRecourseDebtexcludingFinanceLeaseLiabilitiesCurrent	1865000000	USD
CY2020Q4	aes	Nonrecourse Debtexcluding Finance Lease Liabilities Noncurrent NonrecourseDebtexcludingFinanceLeaseLiabilitiesNoncurrent	14928000000	USD
CY2019Q4	aes	Nonrecourse Debtexcluding Finance Lease Liabilities Noncurrent NonrecourseDebtexcludingFinanceLeaseLiabilitiesNoncurrent	14847000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	4000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	3000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	77000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	67000000	USD
CY2020Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	2000000000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	-321000000	USD
CY2020Q4	aes	Nonrecourse Debtexcluding Finance Lease Liabilities NonrecourseDebtexcludingFinanceLeaseLiabilities	16354000000	USD
CY2020Q4	aes	Construction Line Of Credit Facility Remaining Borrowing Capacity ConstructionLineOfCreditFacilityRemainingBorrowingCapacity	215000000	USD
CY2020Q4	aes	Other Line Of Credit Facility Remaining Borrowing Capacity OtherLineOfCreditFacilityRemainingBorrowingCapacity	868000000	USD
CY2020Q4	aes	Restricted Cash And Debt Service Reserves RestrictedCashAndDebtServiceReserves	587000000	USD
CY2019Q4	aes	Restricted Cash And Debt Service Reserves RestrictedCashAndDebtServiceReserves	372000000	USD
CY2020Q4	aes	Restricted Net Assets RestrictedNetAssets	1700000000	USD
CY2020Q4	aes	Debt Default Amount DebtDefaultAmount	276000000	USD
CY2020Q4	aes	Materialitythresholdforcashdistributionfrombusinessto Parent MaterialitythresholdforcashdistributionfrombusinesstoParent	0.20
CY2020Q4	aes	Recourse Debt Total RecourseDebtTotal	3447000000	USD
CY2019Q4	aes	Recourse Debt Total RecourseDebtTotal	3396000000	USD
CY2020Q4	aes	Recourse Debt Current RecourseDebtCurrent	1000000	USD
CY2019Q4	aes	Recourse Debt Current RecourseDebtCurrent	5000000	USD
CY2020Q4	aes	Recourse Debt Non Current RecourseDebtNonCurrent	3446000000	USD
CY2019Q4	aes	Recourse Debt Non Current RecourseDebtNonCurrent	3391000000	USD
CY2020Q4	aes	Recourse Debt Total RecourseDebtTotal	3447000000	USD
CY2020	us-gaap	Guarantee Obligations Term GuaranteeObligationsTerm	less than one year to no more than 15 years
CY2020Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	1546000000	USD
CY2020Q4	aes	Obligations Number Of Agreements ObligationsNumberOfAgreements	112	agreement
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	74000000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	67000000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	275000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	248000000	USD
CY2020Q4	aes	Rightofuse Asset Operatingand Financing RightofuseAssetOperatingandFinancing	349000000	USD
CY2019Q4	aes	Rightofuse Asset Operatingand Financing RightofuseAssetOperatingandFinancing	315000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	4000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	3000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	77000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	67000000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	81000000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	70000000	USD
CY2020Q4	aes	Lease Liability Operatingand Financing LeaseLiabilityOperatingandFinancing	391000000	USD
CY2019Q4	aes	Lease Liability Operatingand Financing LeaseLiabilityOperatingandFinancing	347000000	USD
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P31Y
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	13000000	USD
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P32Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P23Y
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P23Y
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0411
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0499
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0681
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0699
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	36000000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	46000000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	3000000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	2000000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	4000000	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	2000000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	38000000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	0	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	1000000	USD
CY2020	us-gaap	Lease Cost LeaseCost	56000000	USD
CY2019	us-gaap	Lease Cost LeaseCost	89000000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	41000000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	48000000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2000000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	37000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	5000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	29000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	5000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	29000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	5000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	28000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	4000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	27000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	4000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	25000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	134000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	507000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	157000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	645000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	76000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	335000000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	81000000	USD
CY2020	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	580000000	USD
CY2019	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	600000000	USD
CY2020	us-gaap	Variable Lease Income VariableLeaseIncome	66000000	USD
CY2019	us-gaap	Variable Lease Income VariableLeaseIncome	70000000	USD
CY2020	us-gaap	Lease Income LeaseIncome	514000000	USD
CY2019	us-gaap	Lease Income LeaseIncome	530000000	USD
CY2020Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	2000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	489000000	USD
CY2020Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	2000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	475000000	USD
CY2020Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	3000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	411000000	USD
CY2020Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	3000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	412000000	USD
CY2020Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears	3000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	412000000	USD
CY2020Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Thereafter SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter	39000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	1034000000	USD
CY2020Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	52000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	3233000000	USD
CY2020Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Undiscounted Excess Amount SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount	24000000	USD
CY2020Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable SalesTypeAndDirectFinancingLeasesLeaseReceivable	28000000	USD
CY2020	us-gaap	Sales Type Lease Variable Lease Income SalesTypeLeaseVariableLeaseIncome	5000000	USD
CY2020	us-gaap	Sales Type Lease Interest Income SalesTypeLeaseInterestIncome	2000000	USD
CY2020Q4	aes	Defined Contribution Plan Numberof Plans DefinedContributionPlanNumberofPlans	4	plan
CY2020Q4	aes	U.S.Nonunion Numberof Defined Contribution Plans U.S.nonunionNumberofDefinedContributionPlans	2	plan
CY2020Q4	aes	Parent Company Numberof Defined Contribution Plans ParentCompanyNumberofDefinedContributionPlans	1	plan
CY2020Q4	aes	Dpl Numberof Non Union Defined Contribution Plans DPLNumberofNonUnionDefinedContributionPlans	1	plan
CY2020	aes	Defined Contribution Plan Award Vesting Period DefinedContributionPlanAwardVestingPeriod	P5Y
CY2020	aes	Defined Contribution Plan Contributions DefinedContributionPlanContributions	21000000	USD
CY2019	aes	Defined Contribution Plan Contributions DefinedContributionPlanContributions	19000000	USD
CY2018	aes	Defined Contribution Plan Contributions DefinedContributionPlanContributions	21000000	USD
CY2020Q4	aes	Defined Benefit Plan Number Of Plans Disclosure DefinedBenefitPlanNumberOfPlansDisclosure	28	plan
CY2020	aes	Defined Benefit Plan Effect Of One Percent Increase In Discount Rate On Pension Expense DefinedBenefitPlanEffectOfOnePercentIncreaseInDiscountRateOnPensionExpense	-9000000	USD
CY2020	aes	Defined Benefit Plan Effect Of One Percent Decrease In Discount Rate On Pension Expense DefinedBenefitPlanEffectOfOnePercentDecreaseInDiscountRateOnPensionExpense	6000000	USD
CY2020	aes	Defined Benefit Plan Effect Of One Percent Increase In Rate Of Return On Pension Expense DefinedBenefitPlanEffectOfOnePercentIncreaseInRateOfReturnOnPensionExpense	-12000000	USD
CY2020	aes	Defined Benefit Plan Effect Of One Percent Decrease In Rate Of Return On Pension Expense DefinedBenefitPlanEffectOfOnePercentDecreaseInRateOfReturnOnPensionExpense	12000000	USD
CY2019Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	888000000	USD
CY2018Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	879000000	USD
CY2020	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	0	USD
CY2019	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	10000000	USD
CY2020	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	8000000	USD
CY2019	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	-7000000	USD
CY2020	us-gaap	Temporary Equity Accretion To Redemption Value TemporaryEquityAccretionToRedemptionValue	4000000	USD
CY2019	us-gaap	Temporary Equity Accretion To Redemption Value TemporaryEquityAccretionToRedemptionValue	6000000	USD
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	872000000	USD
CY2019Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	888000000	USD
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	872000000	USD
CY2019Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	888000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	46000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	303000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1203000000	USD
CY2020	aes	Net Transfers To From Noncontrolling Interests NetTransfersToFromNoncontrollingInterests	171000000	USD
CY2019	aes	Net Transfers To From Noncontrolling Interests NetTransfersToFromNoncontrollingInterests	-5000000	USD
CY2018	aes	Net Transfers To From Noncontrolling Interests NetTransfersToFromNoncontrollingInterests	-3000000	USD
CY2020	aes	Change In Net Income Attributable To Parent Due To Transfers To From Noncontrolling Interests ChangeInNetIncomeAttributableToParentDueToTransfersToFromNoncontrollingInterests	217000000	USD
CY2019	aes	Change In Net Income Attributable To Parent Due To Transfers To From Noncontrolling Interests ChangeInNetIncomeAttributableToParentDueToTransfersToFromNoncontrollingInterests	298000000	USD
CY2018	aes	Change In Net Income Attributable To Parent Due To Transfers To From Noncontrolling Interests ChangeInNetIncomeAttributableToParentDueToTransfersToFromNoncontrollingInterests	1200000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-1721000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-300000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-50000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2071000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-240000000	USD
CY2019	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	86000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-1721000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-470000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-38000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2229000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-321000000	USD
CY2020	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	264000000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-1644000000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-699000000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-54000000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2397000000	USD
CY2020Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.1433
CY2020Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.1433
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-123000000	USD
CY2020Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.1433
CY2020Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.1433
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	154300000	shares
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1900000000	USD
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	12.12
CY2020Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	264000000	USD
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	153028526	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	153891260	shares
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	488000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1001000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2018000000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-172000000	USD
CY2018	aes	Pre Tax Contribution PreTaxContribution	1548000000	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	3000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	39000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-192000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-277000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-509000000	USD
CY2020	aes	Pre Tax Contribution PreTaxContribution	173000000	USD
CY2019	aes	Pre Tax Contribution PreTaxContribution	552000000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	113000000	USD
CY2018	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	33000000	USD
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-10000000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	36000000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	51000000	USD
CY2020	aes	Dispositions Acquisitions Gains DispositionsAcquisitionsGains	112000000	USD
CY2019	aes	Dispositions Acquisitions Gains DispositionsAcquisitionsGains	12000000	USD
CY2018	aes	Dispositions Acquisitions Gains DispositionsAcquisitionsGains	-934000000	USD
CY2020	aes	Impairment Losses ImpairmentLosses	928000000	USD
CY2019	aes	Impairment Losses ImpairmentLosses	406000000	USD
CY2018	aes	Impairment Losses ImpairmentLosses	307000000	USD
CY2020	aes	Debt Retirement Losses DebtRetirementLosses	223000000	USD
CY2019	aes	Debt Retirement Losses DebtRetirementLosses	121000000	USD
CY2018	aes	Debt Retirement Losses DebtRetirementLosses	180000000	USD
CY2020	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	-182000000	USD
CY2019	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	USD
CY2018	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	USD
CY2020	aes	Segment Reporting Information Adjusted Pretax Contribution SegmentReportingInformationAdjustedPretaxContribution	1247000000	USD
CY2019	aes	Segment Reporting Information Adjusted Pretax Contribution SegmentReportingInformationAdjustedPretaxContribution	1240000000	USD
CY2018	aes	Segment Reporting Information Adjusted Pretax Contribution SegmentReportingInformationAdjustedPretaxContribution	1185000000	USD
CY2020	aes	Segment Reporting Information Adjusted Pretax Contribution SegmentReportingInformationAdjustedPretaxContribution	1247000000	USD
CY2019	aes	Segment Reporting Information Adjusted Pretax Contribution SegmentReportingInformationAdjustedPretaxContribution	1240000000	USD
CY2018	aes	Segment Reporting Information Adjusted Pretax Contribution SegmentReportingInformationAdjustedPretaxContribution	1185000000	USD
CY2020Q4	us-gaap	Assets Assets	34603000000	USD
CY2019Q4	us-gaap	Assets Assets	33648000000	USD
CY2018Q4	us-gaap	Assets Assets	32521000000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1068000000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1045000000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1003000000	USD
CY2020	aes	Capital Expenditures Total CapitalExpendituresTotal	1960000000	USD
CY2019	aes	Capital Expenditures Total CapitalExpendituresTotal	2551000000	USD
CY2018	aes	Capital Expenditures Total CapitalExpendituresTotal	2396000000	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	268000000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	318000000	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	310000000	USD
CY2020	us-gaap	Interest Expense InterestExpense	1038000000	USD
CY2019	us-gaap	Interest Expense InterestExpense	1050000000	USD
CY2018	us-gaap	Interest Expense InterestExpense	1056000000	USD
CY2020Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	835000000	USD
CY2019Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	966000000	USD
CY2018Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	1114000000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-123000000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-172000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	39000000	USD
CY2020	us-gaap	Revenues Revenues	9660000000	USD
CY2019	us-gaap	Revenues Revenues	10189000000	USD
CY2018	us-gaap	Revenues Revenues	10736000000	USD
CY2020Q4	us-gaap	Noncurrent Assets NoncurrentAssets	23103000000	USD
CY2019Q4	us-gaap	Noncurrent Assets NoncurrentAssets	22822000000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21000000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	22000000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	20000000	USD
CY2020	us-gaap	Revenues Revenues	9660000000	USD
CY2019	us-gaap	Revenues Revenues	10189000000	USD
CY2018	us-gaap	Revenues Revenues	10736000000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	531000000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	117000000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	14000000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	13000000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	11000000	USD
CY2020	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	864000000	USD
CY2019	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	185000000	USD
CY2018	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	208000000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-8000000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-7000000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	7000000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-17000000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4000000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	186000000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	378000000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	0	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-1000000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2000000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2000000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	5000000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	458000000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	368000000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-219000000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-4000000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	130000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	216000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	352000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	708000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.06
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.06
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.02
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.15
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.12
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.09
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.16
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.02
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CY2020	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.03
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CY2018	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.06
CY2020	us-gaap	Investment Tax Credit InvestmentTaxCredit	0.08	USD
CY2019	us-gaap	Investment Tax Credit InvestmentTaxCredit	0	USD
CY2018	us-gaap	Investment Tax Credit InvestmentTaxCredit	0	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.03
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.44
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.35
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.35
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.15
CY2020	us-gaap	Investment Tax Credit InvestmentTaxCredit	0.08	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.12
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	0.06
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-44000000	USD
CY2019Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	141000000	USD
CY2020Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	138000000	USD
CY2019Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	131000000	USD
CY2020Q4	us-gaap	Income Taxes Receivable Noncurrent IncomeTaxesReceivableNoncurrent	9000000	USD
CY2019Q4	us-gaap	Income Taxes Receivable Noncurrent IncomeTaxesReceivableNoncurrent	10000000	USD
CY2020Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	147000000	USD
CY2020Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	284000000	USD
CY2019Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	172000000	USD
CY2020Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	0	USD
CY2019Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	0	USD
CY2020Q4	us-gaap	Accrued Income Taxes AccruedIncomeTaxes	284000000	USD
CY2019Q4	us-gaap	Accrued Income Taxes AccruedIncomeTaxes	172000000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-190000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	634000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	824000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1308000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1426000000	USD
CY2020Q4	aes	Deferred Tax Liabilities Investment In Us Tax Partnerships DeferredTaxLiabilitiesInvestmentInUSTaxPartnerships	332000000	USD
CY2019Q4	aes	Deferred Tax Liabilities Investment In Us Tax Partnerships DeferredTaxLiabilitiesInvestmentInUSTaxPartnerships	44000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	403000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	287000000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2043000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1757000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1156000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1060000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	73000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	57000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	87000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	74000000	USD
CY2020Q4	aes	Deferred Tax Assets Tax Credit Carryforwards Gross DeferredTaxAssetsTaxCreditCarryforwardsGross	78000000	USD
CY2019Q4	aes	Deferred Tax Assets Tax Credit Carryforwards Gross DeferredTaxAssetsTaxCreditCarryforwardsGross	33000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	471000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	300000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1865000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1524000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	634000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	824000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1231000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	700000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	812000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1057000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	0	USD
CY2020Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	4000000000	USD
CY2020	aes	Tax Benefits Related To Tax Status Of Operations In Countries Subject To Reduced Tax Rates Per Share TaxBenefitsRelatedToTaxStatusOfOperationsInCountriesSubjectToReducedTaxRatesPerShare	0.03
CY2019	aes	Tax Benefits Related To Tax Status Of Operations In Countries Subject To Reduced Tax Rates Per Share TaxBenefitsRelatedToTaxStatusOfOperationsInCountriesSubjectToReducedTaxRatesPerShare	0.02
CY2018	aes	Tax Benefits Related To Tax Status Of Operations In Countries Subject To Reduced Tax Rates Per Share TaxBenefitsRelatedToTaxStatusOfOperationsInCountriesSubjectToReducedTaxRatesPerShare	0.04
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-135000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-57000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-218000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	623000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1058000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	2236000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	488000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1001000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2018000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	1000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	2000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-2000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	3000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	0	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	458000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	465000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	463000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	439000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	448000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	446000000	USD
CY2020Q4	aes	Unrecognized Tax Benefits That Would Impact Effective Tax Rate Portion With Attributes Warranting Full Valuation Allowance UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRatePortionWithAttributesWarrantingFullValuationAllowance	33000000	USD
CY2020Q4	aes	Unrecognized Taxbenefits Anticipated To Result In Ne Decreaseof Unrecognized Tax Benefits W Ithin12 Monthsof Balance Sheet Date Minimum UnrecognizedTaxbenefitsAnticipatedToResultInNeDecreaseofUnrecognizedTaxBenefitsWIthin12MonthsofBalanceSheetDateMinimum	0	USD
CY2020Q4	aes	Unrecognized Tax Benefits Anticipated To Result In Net Decrease Of Unrecognized Tax Benefits Within12 Months Of Balance Sheet Date Maximum UnrecognizedTaxBenefitsAnticipatedToResultInNetDecreaseOfUnrecognizedTaxBenefitsWithin12MonthsOfBalanceSheetDateMaximum	10000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	465000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	463000000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	348000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	6000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.49
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	3000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	4000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	146000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	6000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	5000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	26000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	4000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	7000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	458000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	465000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	463000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	43000000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	665000000	shares
CY2020	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.06
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	302000000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	664000000	shares
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.46
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	985000000	USD
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	662000000	shares
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	43000000	USD
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	668000000	shares
CY2020	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.06
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	302000000	USD
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	667000000	shares
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.45
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	985000000	USD
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	665000000	shares
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.48
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2000000	shares
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2020Q4	aes	Numberof Linesof Business NumberofLinesofBusiness	2	business
CY2020	aes	Percentageof Total Revenue Non U.S. PercentageofTotalRevenueNonU.S.	0.66
CY2020Q4	aes	Goodwill Reporting Unitat Risk Percentage GoodwillReportingUnitatRiskPercentage	0.10	Rate
CY2020Q4	aes	Number Of Single Customers That Accounted For Ten Percent Or More Of Total Revenue NumberOfSingleCustomersThatAccountedForTenPercentOrMoreOfTotalRevenue	0	integer
CY2020Q1	us-gaap	Revenues Revenues	2338000000	USD
CY2020Q2	us-gaap	Revenues Revenues	2217000000	USD
CY2020Q3	us-gaap	Revenues Revenues	2545000000	USD
CY2020Q4	us-gaap	Revenues Revenues	2560000000	USD
CY2020Q1	us-gaap	Gross Profit GrossProfit	507000000	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	524000000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	756000000	USD
CY2020Q4	us-gaap	Gross Profit GrossProfit	906000000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	229000000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	0	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-481000000	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	401000000	USD
CY2020Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2020Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	3000000	USD
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2020Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	229000000	USD
CY2020Q2	us-gaap	Profit Loss ProfitLoss	3000000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-481000000	USD
CY2020Q4	us-gaap	Profit Loss ProfitLoss	401000000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	144000000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-83000000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-333000000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	318000000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.22
CY2020Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.01
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	210000000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	-78000000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.13
CY2020Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.50
CY2020Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.48
CY2020Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.12
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.50
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
CY2020Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.22
CY2020Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.13
CY2020Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.50
CY2020Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.47
CY2020Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.29
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.22
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.12
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.50
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.47
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2019Q1	us-gaap	Revenues Revenues	2650000000	USD
CY2019Q2	us-gaap	Revenues Revenues	2483000000	USD
CY2019Q3	us-gaap	Revenues Revenues	2625000000	USD
CY2019Q4	us-gaap	Revenues Revenues	2431000000	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	586000000	USD
CY2019Q2	us-gaap	Gross Profit GrossProfit	502000000	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	701000000	USD
CY2019Q4	us-gaap	Gross Profit GrossProfit	560000000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	233000000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	66000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	298000000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-120000000	USD
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	1000000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	233000000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	67000000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	298000000	USD
CY2019Q4	us-gaap	Profit Loss ProfitLoss	-120000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	154000000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	17000000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.23
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.02
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.32
CY2019Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.12
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.23
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.02
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.12
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.23
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.02
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.32
CY2019Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.12
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.23
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.02
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.12
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2019Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.28
CY2020Q3	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	849000000	USD
CY2020Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-112000000	USD
CY2019Q2	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	116000000	USD
CY2019Q4	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	69000000	USD
CY2019Q4	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-175000000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-692000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	46000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	303000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1203000000	USD
CY2019Q4	aes	Recourse Debt Current RecourseDebtCurrent	5000000	USD
CY2020	us-gaap	Cash Dividends Paid To Parent Company By Consolidated Subsidiaries CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries	1000000000.0	USD
CY2019	us-gaap	Cash Dividends Paid To Parent Company By Consolidated Subsidiaries CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries	1000000000.0	USD
CY2018	us-gaap	Cash Dividends Paid To Parent Company By Consolidated Subsidiaries CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries	1900000000	USD

Files In Submission

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$AES
AES CORP Stock $aes

2020 Form 10-K Financial Statement

#000087476121000015 Filed on February 25, 2021

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$AES AES CORP Stock $aes

2020 Form 10-K Financial Statement

#000087476121000015 Filed on February 25, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AES
AES CORP Stock $aes