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Represents the number of aircraft pledged as collateral.

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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.

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Amount of assets pledged to secure a debt instrument.

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

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

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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.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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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.

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Debt Financing - Narrative (Details)	12 Months Ended
Debt Financing - Narrative (Details)	Dec. 31, 2022 USD ($) aircraft term_facility	Dec. 31, 2021 USD ($) aircraft	Jan. 31, 2023 USD ($)	Jun. 30, 2022 USD ($)	May 05, 2022 USD ($)
Debt Instrument [Line Items]
Outstanding balance	$ 18,823,429,000	$ 17,204,019,000
Line of credit maturity amount	$ 7,100,000,000
Number of term facilities entered into \| term_facility	3
Senior notes
Debt Instrument [Line Items]
Outstanding balance	$ 17,095,116,000	$ 16,892,058,000
Senior notes \| Three Month London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Interest margin		0.35%
Senior notes \| LIBOR
Debt Instrument [Line Items]
Interest margin		1.125%
Senior notes \| Minimum
Debt Instrument [Line Items]
Remaining term	1 month
Interest rate	0.70%	0.70%
Senior notes \| Maximum
Debt Instrument [Line Items]
Remaining term	9 years 14 days
Interest rate	5.85%	4.625%
Medium Term Note Program \| Senior notes
Debt Instrument [Line Items]
Principal amount issued	$ 2,200,000,000
Medium Term Note Program Due 2027 \| Senior notes
Debt Instrument [Line Items]
Interest rate	2.20%
Principal amount issued	$ 750,000,000
Medium Term Note Program Due 2032 \| Senior notes
Debt Instrument [Line Items]
Interest rate	2.875%
Principal amount issued	$ 750,000,000
Medium Term Note Program, $700 Million, Due 2027 \| Senior notes
Debt Instrument [Line Items]
Interest rate	5.85%
Principal amount issued	$ 700,000,000
Medium Term Note Program, $700 Million, Due 2028 \| Senior notes \| Subsequent Event
Debt Instrument [Line Items]
Interest rate			5.30%
Principal amount issued			$ 700,000,000
Revolving Credit Facility
Debt Instrument [Line Items]
Outstanding balance	$ 1,020,000,000	$ 0
Maximum borrowing capacity					$ 7,000,000,000
Facility fee	0.20%
Increase in borrowing capacity				$ 122,500,000
Commitments with extended maturity				$ 125,000,000
Revolving Credit Facility \| Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity			7,400,000,000
Increase in borrowing capacity			250,000,000
Revolving Credit Facility \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest margin	1.05%
Unsecured Revolving Credit Facility Mature May 5, 2026 \| Subsequent Event
Debt Instrument [Line Items]
Increase in borrowing capacity			$ 250,000,000
Unsecured Revolving Credit Facility Mature May 5, 2026 \| Debt Instrument, Redemption, May 5, 2023
Debt Instrument [Line Items]
Line of credit maturity amount	$ 6,700,000,000
Unsecured Revolving Credit Facility Mature May 5, 2025 \| Debt Instrument, Redemption, May 5, 2022
Debt Instrument [Line Items]
Line of credit maturity amount	32,500,000
Unsecured Revolving Credit Facility Mature May 5, 2023 \| Debt Instrument, Redemption, May 5, 2021
Debt Instrument [Line Items]
Line of credit maturity amount	$ 375,000,000
Other Debt Financings
Debt Instrument [Line Items]
Number of aircraft pledged as collateral \| aircraft	3	3
Collateral with net book value	$ 212,100,000	$ 222,200,000
Outstanding balance	$ 708,300,000	$ 312,000,000
Interest rate	2.72%
Principal amount issued	$ 500,000,000
Debt term	5 years
Other Debt Financings \| Minimum \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest margin	1.40%
Other Debt Financings \| Maximum \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest margin	1.45%