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Allowance for credit losses (Tables)

12 Months Ended

Dec. 31, 2020

Credit Loss [Abstract]

Allowance for credit losses

Movements in the allowance for credit losses during year ended December 31, 2020 were as follows:

			Year Ended December 31, 2020
Allowance for credit losses at beginning of period			$	—
Cumulative effect due to adoption of new accounting standard			30,264
Current period provision for expected credit losses			50,215
Write-offs charged against the allowance			(13,326)
Allowance for credit losses at end of period			$	67,153

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- Definition

Allowance For Credit Loss

+ References

No definition available.

+ Details

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Namespace Prefix:	aer_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_CreditLossAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration