The amount maturing on a line of credit.

No definition available.

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Namespace Prefix:	al_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the number of aircraft pledged as collateral.

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of assets pledged to secure a debt instrument.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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-Publisher FASB
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Period Type:	instant

- Details

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Debt Financing - Narrative (Details)	1 Months Ended	3 Months Ended
Debt Financing - Narrative (Details)	Apr. 30, 2022 USD ($)	Mar. 31, 2022 USD ($) aircraft	May 05, 2022 USD ($)	Dec. 31, 2021 USD ($) aircraft
Debt Instrument [Line Items]
Debt financing balance		$ 18,030,441,000		$ 17,204,019,000
Senior notes
Debt Instrument [Line Items]
Debt financing balance		17,695,077,000		16,892,058,000
Medium Term Note Program \| Senior notes
Debt Instrument [Line Items]
Principal amount issued		1,500,000,000
Medium Term Note Program, $750 Million, Due 2027 \| Senior notes
Debt Instrument [Line Items]
Principal amount issued		$ 750,000,000
Interest rate		2.20%
Medium Term Note Program Due 2032 \| Senior notes
Debt Instrument [Line Items]
Principal amount issued		$ 750,000,000
Interest rate		2.875%
Revolving credit facility
Debt Instrument [Line Items]
Debt financing balance		$ 0		0
Facility fee		0.20%
Revolving credit facility \| Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 7,000,000,000
Revolving credit facility \| LIBOR
Debt Instrument [Line Items]
Interest margin		1.05%
Revolving credit facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Subsequent Event
Debt Instrument [Line Items]
Interest margin	1.05%
Unsecured Revolving Credit Facility Mature May 5, 2022 \| Subsequent Event
Debt Instrument [Line Items]
Line of credit maturity amount	$ 65,000,000
Unsecured Revolving Credit Facility Mature May 5, 2026 \| Debt Instrument, Redemption, May 5, 2026 \| Subsequent Event
Debt Instrument [Line Items]
Line of credit maturity amount			6,500,000,000
Unsecured Revolving Credit Facility Mature May 5, 2025 \| Debt Instrument, Redemption, May 5, 2025 \| Subsequent Event
Debt Instrument [Line Items]
Line of credit maturity amount			132,500,000
Unsecured Revolving Credit Facility Mature May 5, 2023 \| Debt Instrument, Redemption, May 5, 2023 \| Subsequent Event
Debt Instrument [Line Items]
Line of credit maturity amount			$ 400,000,000
Other Debt Financings
Debt Instrument [Line Items]
Debt financing balance		$ 335,400,000		$ 312,000,000
Number of aircraft pledged as collateral \| aircraft		3		3
Net book value of aircraft pledged as collateral		$ 219,700,000		$ 222,200,000