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Commitments and contingencies - Narrative (Details)		1 Months Ended		3 Months Ended	12 Months Ended
	Jun. 09, 2022 USD ($)	Oct. 31, 2013 USD ($)	Jul. 31, 2011 USD ($) claim	Mar. 31, 2022 USD ($)	Dec. 31, 2008 USD ($)	Dec. 31, 2006 USD ($)	Jun. 30, 2022 engine helicopter aircraft	Feb. 23, 2022 engine aircraft	Dec. 31, 1992 engine aircraft
Loss Contingencies [Line Items]
Loss contingency, insurance coverage claimable by entity				$ 3,500,000,000
Russia
Loss Contingencies [Line Items]
Number of aircraft on lease | aircraft								135
Number of engines on lease | engine								14
AIG Europe S.A. English Court
Loss Contingencies [Line Items]
Loss contingency, insurance coverage claimable by entity	$ 3,500,000,000
Lloyds Insurance Company S.A. English Court
Loss Contingencies [Line Items]
Loss contingency, insurance coverage claimable by entity	$ 1,200,000,000
VASP Litigation | VASP litigation English court
Loss Contingencies [Line Items]
Damages awarded						$ 40,000,000
Claim award for loss of profit plus accrued interest					$ 40,000,000
VASP Litigation | VASP litigation Irish court
Loss Contingencies [Line Items]
Damages awarded						$ 36,900,000
Claim award for loss of profit plus accrued interest					$ 24,000,000
VASP Litigation | Aircraft
Loss Contingencies [Line Items]
Number of capital leased assets | aircraft									13
Number of leases that company incurred obligations due to another company's default | aircraft									13
VASP Litigation | Engines
Loss Contingencies [Line Items]
Number of capital leased assets | engine									3
Number of leases that company incurred obligations due to another company's default | aircraft									3
Transbrasil Litigation
Loss Contingencies [Line Items]
Number of actions | claim			3
Aggregate amount due from AerCap			$ 210,000,000
Damages suffered		$ 0
Transbrasil Litigation | Statutory penalties
Loss Contingencies [Line Items]
Number of actions | claim			1
Capital Addition Purchase Commitments
Loss Contingencies [Line Items]
Number of aircraft forward orders | aircraft							461
Unrecorded unconditional purchase obligation, Number of engines | engine							31
Unrecorded unconditional purchase obligation, Number of helicopters | helicopter							17

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