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v3.19.3.a.u2

Leases (Policies) | 12 Months Ended
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Dec. 31, 2019
Leases [Abstract] |
Early Termination [Policy Text Block] | The option to extend or terminate a lease is based on customary early termination provisions in the contract, such as payment defaults, bankruptcy, and lack of performance on energy delivery.

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- Definition Early Termination [Policy Text Block] + References No definition available. + Details
Name: | aes_EarlyTerminationPolicyTextBlock
Namespace Prefix: | aes_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration